TechToolsCenter

Can't find the tool you're looking for?

Request it and vote on what we build next — it takes 20 seconds.

Request a Tool
TechToolsCenter

All Your Essential Tools. One Center. Free, fast, privacy-first online tools that run entirely in your browser.

Built for speed. Designed for privacy. Made for everyone.

Collections

  • Everyday Essentials
  • Calculator Hub
  • Converter Hub
  • Text Studio
  • Business Toolkit
  • PDF Toolkit
  • Image Studio

Popular tools

  • AI Studio
  • Estimate Maker
  • Purchase Order Maker
  • Delivery Challan Maker
  • Invoice Maker
  • Quotation Generator

Company

  • All tools
  • About
  • Updates
  • Community
  • Analytics
  • Contact
  • Editorial policy
  • Privacy
  • Sitemap

Copyright © 2026 TechToolsCenter. All Rights Reserved.

Curated & Coded by Incinc Media Team

HomeTools
  1. Home
  2. Blog
  3. Guides

Guides

In-depth how-to guides for getting things done online.

Guides 10 min

PMEGP Explained: Eligibility, Subsidy Amount and How to Apply

PMEGP hands out a genuine subsidy — 15-35% of your project cost, never repaid — for setting up a new manufacturing or service business, but the eligibility rules and paperwork trip up more applicants than the idea itself does.

TechToolsCenter TeamRead
Guides 10 min

How to Track Your Passport Application Status Online in India

Your application reference number and a few clicks on the Passport Seva portal tell you exactly where your passport is in the process — no need to call the RPO or wait for an SMS that never comes.

TechToolsCenter TeamRead
Guides 10 min

How to Apply for a Caste Certificate Online in India

A caste certificate unlocks reservations in education, government jobs and welfare schemes — but the application runs through your state's own portal, with its own document list and processing time.

TechToolsCenter TeamRead
Guides 10 min

How Does a QR Code Actually Work?

A QR code isn't a photo of your data — it's a mathematically structured grid that can be read even when part of it is scratched, dirty, or covered by a logo. Here's what's actually encoded in that black-and-white square.

TechToolsCenter TeamRead
Guides 10 min

eSanjeevani: How to Get a Free Online Doctor Consultation in India

A government telemedicine service that lets you video-consult a doctor from your phone, completely free, and walk away with a real e-prescription — here's exactly how it works and where it actually helps.

TechToolsCenter EditorialRead
Guides 10 min

What Is APAAR ID (One Nation One Student ID) and How Does It Work?

A 12-digit ID meant to follow a student from school through college, tied to a national system for banking academic credits — here's what APAAR actually does, and what it doesn't.

TechToolsCenter EditorialRead
Guides 10 min

What Is an AI Agent, and How Is It Different From a Chatbot?

A chatbot answers what you ask. An agent is given a goal, and figures out — and actually carries out — the steps to get there. That distinction is doing a lot of work in how AI products are described today, so here's what it actually means.

TechToolsCenter TeamRead
Guides 10 min

How to Apply for a Birth Certificate Online in India (What You Need)

School admission, a passport, a government ID — a huge share of official paperwork traces back to one document. Here's how registration actually works, including what changes if the birth wasn't registered on time.

TechToolsCenter EditorialRead
Guides 10 min

What Is RAG (Retrieval-Augmented Generation), Explained Simply

An AI model's knowledge is frozen at training time. RAG is the technique that lets it answer questions about things it was never trained on — your documents, today's data — without retraining it at all.

TechToolsCenter TeamRead
Guides 4 min

PM Vishwakarma Yojana: Full Guide for Artisans and Craftspeople

A certificate, skill training with a daily stipend, a toolkit e-voucher, and collateral-free loans at 5% interest — here's exactly what PM Vishwakarma offers 18 traditional trades, and how to register.

TechToolsCenter EditorialRead
Guides 10 min

What Is a Digital Signature Certificate (DSC), and How Do You Get One?

Drawing a signature and placing it on a PDF is one thing. A Digital Signature Certificate is something else entirely — a cryptographic identity that certain government filings specifically require.

TechToolsCenter TeamRead
Guides 10 min

How to Sign a PDF Online for Free (Draw or Type Your Signature)

Print, sign, scan, and re-upload used to be the default way to sign a form. It doesn't need to be — here's how to place a real signature on a PDF in your browser, and when you actually need more than that.

TechToolsCenter TeamRead
Guides 10 min

How to Extract Text From a Scanned PDF or Image (Free OCR, No Sign-Up)

A photographed whiteboard, a scanned form, a screenshot you can't select text from — OCR turns pixels back into real, copyable text. Here's how it actually works and how to get a clean result.

TechToolsCenter EditorialRead
Guides 10 min

How to Generate Multiple QR Codes at Once (Bulk QR Code Generator Guide)

One QR code at a time is fine for a single link. It falls apart the moment you need two hundred — one per event badge, one per product, one per table. Here's how to generate a whole batch in one pass.

TechToolsCenter TeamRead
Guides 3 min

How to Correct Your Voter ID Details Online (Form 8 Guide)

Wrong date of birth, a blurry photo, an old address — nearly every error on an existing Voter ID gets fixed with the same form. Here's exactly how Form 8 works.

TechToolsCenter EditorialRead
Guides 3 min

How to Check Your EPF Balance and Download the UAN Passbook Online

Your Provident Fund balance isn't hidden in a branch ledger somewhere — with your UAN activated, it's a five-minute online check.

TechToolsCenter EditorialRead
Guides 3 min

How to Apply for an Income Certificate Online in India (State-Wise Guide)

Scholarships, fee concessions, reservation benefits and several welfare schemes all ask for the same document — here's how to actually get one, state portal by state portal.

TechToolsCenter EditorialRead
Guides 4 min

TAN vs PAN: What's the Difference and Who Actually Needs a TAN

PAN identifies a taxpayer. TAN identifies whoever deducts tax at source on someone else's behalf. Confusing the two is common — and can genuinely delay a business's TDS filings.

TechToolsCenter TeamRead
Guides 5 min

What Is a System Prompt, and Why Does It Change How an AI Responds?

The same question, asked with a different system prompt behind the scenes, can get a completely different answer — here's what that hidden instruction actually does.

TechToolsCenter TeamRead
Guides 11 min

How to Apply for a Scholarship Through the National Scholarship Portal (NSP)

Dozens of central and state scholarship schemes used to mean dozens of separate applications. NSP puts them behind one registration — but picking the wrong scheme, or missing one document, is still the most common way an eligible student gets rejected.

TechToolsCenter EditorialRead
Guides 10 min

Kisan Credit Card Explained: Eligibility, Documents and How to Apply

A Kisan Credit Card is closer to a working-capital line for a farm than a one-time loan — sanctioned once, usable repeatedly for a full crop cycle, at rates a farmer would rarely get from an informal lender.

TechToolsCenter EditorialRead
Guides 10 min

CPGRAMS Explained: How to File a Government Grievance Online (and Track It)

If a Central Government office is sitting on your application, ignoring a complaint, or mishandling a service you're entitled to, CPGRAMS is the free portal built specifically to escalate it — and to make sure it can't quietly disappear.

TechToolsCenter EditorialRead
Guides 10 min

e-NAM Explained: How Farmers Can Sell Crops Online for Better Prices

A farmer's price used to depend entirely on whoever showed up to bid at the local mandi that day. e-NAM opens that same produce lot to registered traders across a much wider network, without replacing the mandi itself.

TechToolsCenter EditorialRead
Guides 10 min

How to Scan a QR Code Safely (Without Downloading a Sketchy App)

Your phone's own camera can already scan a QR code — the extra 'QR scanner' app from the store is usually unnecessary, and occasionally the actual risk.

TechToolsCenter EditorialRead
Guides 11 min

PPF Explained: Eligibility, Interest Rate, Tax Benefits and How It Compares to NPS

PPF is one of the few investments left that's genuinely tax-free at every stage — contribution, growth and withdrawal — but that safety comes with a 15-year lock-in and a return that moves with government-set rates, not the market.

TechToolsCenter EditorialRead
Guides 10 min

What's Actually on an Indian Salary Slip? Every Component Explained

A salary slip usually has ten or more line items, and most people only ever look at the final number — but each component affects your take-home pay, your tax, or both, and a payroll mistake almost always shows up as one wrong line, not a wrong total.

TechToolsCenter EditorialRead
Guides 10 min

Jeevan Pramaan Explained: How Pensioners Can Submit a Digital Life Certificate

Every pensioner has to prove, once a year, that they're still alive to keep receiving payments — Jeevan Pramaan replaces the in-person bank visit with an Aadhaar fingerprint scan you can do from home.

TechToolsCenter EditorialRead
Guides 10 min

How to Apply for an Education Loan Through the Vidya Lakshmi Portal

Instead of visiting five banks with five sets of paperwork, Vidya Lakshmi lets you fill one common form and apply to several education loan schemes at once — here's exactly how the process works.

TechToolsCenter EditorialRead
Guides 11 min

How to Calculate Age From a Date of Birth (and Why It's Trickier Than Subtraction)

Subtracting birth year from the current year gets your age wrong roughly a third of the time — the actual calculation has to account for whether your birthday has happened yet this year. Here's the real method, plus the leap-year and eligibility-cutoff edge cases that trip up manual calculations.

TechToolsCenter EditorialRead
Guides 11 min

What Is Two-Factor Authentication (2FA)? SMS vs App vs Hardware Key Compared

A strong password alone isn't enough once that password leaks in a breach you never hear about — 2FA is the second lock that stops a leaked password from being enough on its own. Here's how the three common methods actually differ in security, not just convenience.

TechToolsCenter TeamRead
Guides 10 min

PM SVANidhi Explained: How Street Vendors Can Get a Collateral-Free Loan

Street vendors rebuilding after a setback often can't get a normal bank loan — no collateral, no formal credit history. PM SVANidhi is built specifically around that gap, with a genuinely useful incentive built in: repay on time, and your next loan limit goes up.

TechToolsCenter EditorialRead
Guides 11 min

PMSBY vs PMJJBY: India's Two Government Insurance Schemes Compared

One covers accidental death and disability. The other covers death from any cause. Both are government-backed, both enrol through your bank, and both get confused with each other constantly because their names — and acronyms — are nearly identical.

TechToolsCenter EditorialRead
Guides 10 min

Ujjwala Yojana Explained: Free LPG Connection Eligibility and How to Apply

PM Ujjwala Yojana covers the LPG connection deposit for eligible low-income households — but the connection itself isn't the whole cost, and misunderstanding what's actually free versus what you keep paying for is where most confusion about the scheme comes from.

TechToolsCenter TeamRead
Guides 11 min

How to Split a PDF Into Multiple Files (One File Per Chapter or Range)

Extracting five pages into one PDF and splitting a hundred-page report into ten separate chapters are two completely different jobs — most tools only really do the first one well. Here's how to do both properly, and the mistakes that turn a clean split into a mess of oddly-numbered files.

TechToolsCenter TeamRead
Guides 12 min

PM Awas Yojana Explained: Eligibility, PMAY-U vs PMAY-G, and How to Apply

PM Awas Yojana is actually two separate schemes wearing one name — an urban one and a rural one, with different eligibility rules, different application routes, and a home-loan subsidy component that trips people up more than any other part of it. Here's how the pieces fit together.

TechToolsCenter TeamRead
Guides 10 min

eShram Card: How Unorganised Workers Can Register Online (Step-by-Step)

India's unorganised workforce — construction workers, domestic help, street vendors, gig workers, and more — didn't have a single national record until eShram. Here's who's eligible, what registering actually gets you, and how to do it in about ten minutes.

TechToolsCenter TeamRead
Guides 10 min

PM-KISAN Explained: Eligibility, Registration, e-KYC and How to Check Your Status

PM-KISAN pays ₹6,000 a year straight into a farmer's bank account in three instalments — but a single unfinished e-KYC step or a bank-Aadhaar mismatch is enough to quietly stop the money.

TechToolsCenter TeamRead
Guides 10 min

Jan Dhan Yojana Explained: How to Open a Zero-Balance Bank Account (and What You Actually Get)

PMJDY accounts need no minimum balance and come with a free RuPay card and accident cover — genuinely useful once you understand what the overdraft facility and DBT link actually require to activate.

TechToolsCenter TeamRead
Guides 10 min

PM Mudra Loan Explained: Shishu, Kishor and Tarun Categories, and How to Apply

Mudra loans give small businesses up to ₹10 lakh in credit with no collateral — but which of the three categories you apply under, and how you present your business plan, decides whether a bank actually says yes.

TechToolsCenter TeamRead
Guides 9 min

Atal Pension Yojana Explained: Eligibility, How Contributions Work, and How to Apply

APY locks in a guaranteed monthly pension from age 60 for a small, age-based contribution today — but only if you enrol before 40 and understand exactly how the guarantee and the exit rules actually work.

TechToolsCenter TeamRead
Guides 2 min

National Career Service: How India's Free Government Job Portal Works

NCS is a free government job portal with career counselling and Model Career Centres attached — genuinely useful if you know how to set it up properly.

TechToolsCenter TeamRead
Guides 2 min

How to Download Your CoWIN Vaccination Certificate (and Fix Errors on It)

Downloading your COVID vaccination certificate takes an OTP and two clicks — fixing a wrong name or DOB on it takes one extra step people often miss.

TechToolsCenter EditorialRead
Guides 2 min

PMFBY Crop Insurance: How Farmers Can Apply and What It Actually Covers

PMFBY caps a farmer's premium share and subsidises the rest — but only for notified crops in notified areas, and only if you report loss within the window.

TechToolsCenter TeamRead
Guides 2 min

Stacked Discounts Explained: Why 25% + 10% Off Isn't 35% Off

"25% off, plus an extra 10%" sounds like 35% off. It's actually about 32.5% — and the gap gets bigger the larger the discounts get.

TechToolsCenter TeamRead
Guides 2 min

BMI Explained: What It Actually Measures (and What It Doesn't)

BMI is a single number from a simple formula — useful for a quick, population-level screen, and easy to over-read as more than that for any one individual.

TechToolsCenter EditorialRead
Guides 2 min

How to File an RTI Online in India (Central Government)

Filing a Right to Information request costs ₹10 and can be done entirely online — as long as you're filing with the right portal for the right authority.

TechToolsCenter TeamRead
Guides 2 min

MGNREGA Job Card: How to Apply for 100 Days of Guaranteed Work

MGNREGA guarantees up to 100 days of paid work a year to any willing rural household — but you need a Job Card first, and it's free to get.

TechToolsCenter TeamRead
Guides 2 min

How to Convert HEIC Photos to JPG (iPhone Photos, Free & Bulk)

iPhone photos save as HEIC by default, and half the internet still can't open them — here's how to convert one photo or a whole camera roll to JPG, free.

TechToolsCenter TeamRead
Guides 2 min

How to Convert a Bank Statement PDF to Excel (Free, No Upload)

Bank statement PDFs are built for reading, not for spreadsheets — here's how to actually get the transaction table into Excel, including what to do if the PDF is password-protected.

TechToolsCenter TeamRead
Guides 2 min

What Is TDS (Tax Deducted at Source) and How to Check Your Deductions

TDS shows up on every payslip and most bank interest, but few people check whether the right amount was actually deducted — here's what it is and where to verify it.

TechToolsCenter TeamRead
Guides 2 min

Barcode vs QR Code: What's the Difference and When to Use Which

Both get scanned, but a barcode and a QR code store completely different amounts of information — picking the wrong one is a common, avoidable mistake.

TechToolsCenter TeamRead
Guides 2 min

How to Apply for Passport Renewal in India: Step-by-Step

Renewing an expiring or expired Indian passport is a different flow from a fresh application — here's exactly what changes and what to prepare.

TechToolsCenter EditorialRead
Guides 2 min

How to Draft a Rent Agreement in India: What to Include

A verbal understanding with your landlord or tenant isn't enforceable — here's what a proper rent agreement actually needs to cover.

TechToolsCenter TeamRead
Guides 3 min

How to File Your Income Tax Return (ITR) Online: Step-by-Step Guide

Filing your ITR yourself is straightforward once you know the order of steps — here's what to gather first, how the e-filing portal walks you through it, and how to avoid the mistakes that trigger a notice.

TechToolsCenter TeamRead
Guides 2 min

How to Use DigiLocker to Store Your Documents Digitally

DigiLocker documents are legally valid at par with the originals — here's how to set up your account and start pulling in your official documents.

TechToolsCenter TeamRead
Guides 2 min

How to Create Your ABHA Health ID Card (Free, Online)

ABHA is a digital health ID that links your medical records across hospitals and clinics — here's how to create yours in a few minutes, free.

TechToolsCenter EditorialRead
Guides 2 min

How to Apply for an International Driving Permit (IDP) in India

Planning to drive abroad on your Indian licence? Here's how the IDP works, which countries actually accept it, and how to apply through your RTO.

TechToolsCenter EditorialRead
Guides 2 min

How to Recover a Deleted WhatsApp Message

Someone deleted a message before you could read it, or you accidentally deleted your own chat history — here's what's actually recoverable, and how.

TechToolsCenter TeamRead
Guides 2 min

How to Write Better AI Prompts (Plus a Free Library to Start From)

The difference between a vague answer and a genuinely useful one is usually the prompt, not the AI model. Here's what actually changes the output, with ready-made prompts to start from.

TechToolsCenter TeamRead
Guides 2 min

How to Order a PVC Aadhaar Card Online

The paper Aadhaar printout isn't the only option — a durable, credit-card-sized PVC Aadhaar is available for a small fee, and the process takes a few minutes online.

TechToolsCenter TeamRead
Guides 2 min

How to Get an FSSAI License for Your Food Business

Selling food in India — from a home tiffin service to a full restaurant — legally requires FSSAI registration or a license. Here's which one you need and how to apply.

TechToolsCenter TeamRead
Guides 2 min

How to Apply for an OCI Card (Overseas Citizen of India)

For foreign citizens of Indian origin who want visa-free entry and the right to live, work or study in India — here's what OCI actually grants, and the real application process.

TechToolsCenter TeamRead
Guides 2 min

How to Add a Watermark to a PDF (Free, No Sign-up)

Stamp CONFIDENTIAL, DRAFT or your own brand text across every page of a PDF — set the color, opacity and angle, and download instantly.

TechToolsCenter TeamRead
Guides 2 min

How to Rotate PDF Pages Online (Sideways or Upside-Down Scans)

Fix a sideways scan or an upside-down page in seconds — rotate the whole document or just specific pages, free and instant.

TechToolsCenter EditorialRead
Guides 2 min

How to Add Page Numbers to a PDF (Free, Any Position)

Number every page of a report, ebook or handout — pick the position, format like "1 of 10", and a custom starting number.

TechToolsCenter TeamRead
Guides 2 min

How to Renew Your Driving Licence Online in India

Your driving licence needs renewal before it expires — here's how to do it online through the Parivahan portal, what documents you need, and common mistakes to avoid.

TechToolsCenter EditorialRead
Guides 2 min

How to Create a QR Code for Your Wi-Fi Password

Let guests join your Wi-Fi with one scan — no typing a long password. Here's how to generate a Wi-Fi QR code for free.

TechToolsCenter EditorialRead
Guides 2 min

How to Use AI to Write a Better Resume (Without It Sounding Fake)

AI can genuinely sharpen a resume — tightening bullet points, fixing vague language, matching keywords — if you use it as an editor, not a ghostwriter. Here's how.

TechToolsCenter TeamRead
Guides 2 min

Income Tax Slabs in India for FY 2026-27, Explained

A plain-English walkthrough of the current income tax slabs under both regimes, and how to work out roughly where you land.

TechToolsCenter EditorialRead
Guides 2 min

How to Compare AI Tools Before You Commit (Free Tool)

Marketing pages all sound the same. Here's what actually differs between AI tools — and how to check it side by side before you pick one, or start paying for it.

TechToolsCenter TeamRead
Guides 2 min

How to Convert Photos into a Single PDF (Free, No App)

Turning a stack of scanned pages or phone photos into one clean PDF is a common ask — here's the fastest free way to do it, and how to keep the file size sane.

TechToolsCenter TeamRead
Guides 2 min

How to Check Your Income Tax Refund Status Online

Filed your ITR and waiting on a refund? Here's exactly where to check its real-time status, what each status message actually means, and when to worry.

TechToolsCenter TeamRead
Guides 2 min

How to Apply for a Duplicate PAN Card (Lost or Damaged PAN)

Lost your PAN card or it's too worn to scan? You don't need to reapply from scratch — here's the actual reprint process, what it costs, and how long it takes.

TechToolsCenter TeamRead
Guides 2 min

Police Clearance Certificate (PCC): How to Apply Online in India

Applying for a job, visa or immigration abroad? Here's what a PCC actually verifies, who issues it, and the real steps to get one without a broker.

TechToolsCenter TeamRead
Guides 2 min

How to Check Your Vehicle's RC Details Online (mParivahan Guide)

Buying a used vehicle or just need to confirm your own RC details? Here's how to look up any vehicle's registration details online, free and instantly.

TechToolsCenter TeamRead
Guides 2 min

AI Video Generators: What They Actually Do (and Free Options)

Text-to-video tools have moved fast — here's what they're actually good at today, what still trips them up, and which ones offer a genuine free tier to try first.

TechToolsCenter TeamRead
Guides 2 min

How to Convert PDF to JPG (and Back) — Free, No Watermark

Whether you need one page as an image or a stack of photos turned into a single PDF, here's the fastest way to do both — free, private, and without a watermark stamped across your file.

TechToolsCenter TeamRead
Guides 2 min

How to Build an ATS-Friendly Resume (Free Template + Tips)

Most resumes are read by software before a human ever sees them. Here's what an ATS actually checks for, and how to build a resume that gets through it — free, with no design software needed.

TechToolsCenter TeamRead
Guides 2 min

How to Take a Passport-Size Photo Online for Free (India Specs)

The exact size, background and rules Indian passport and PAN photos need — and how to crop your own photo to spec in your browser, no studio visit required.

TechToolsCenter EditorialRead
Guides 2 min

How to Create a Strong Password You'll Actually Remember

Why "P@ssw0rd123" is weaker than you think, what actually makes a password hard to crack, and a practical system for generating and remembering unique ones.

TechToolsCenter TeamRead
Guides 2 min

Ayushman Bharat Card: How to Apply, Download, and Correct It

Who's actually eligible for PM-JAY, how to check your status and download the e-card for free, and what to do if your name or details on the card are wrong.

TechToolsCenter EditorialRead
Guides 2 min

How to Download YouTube Thumbnails in HD (Free, No Sign-Up)

YouTube quietly generates five thumbnail sizes for every video, up to full 1280×720 HD. Here's how to grab any of them in seconds, and what they're actually useful for.

TechToolsCenter TeamRead
Guides 2 min

CGPA to Percentage: CBSE, VTU and University Formulas Explained

CGPA doesn't convert to percentage the same way everywhere — CBSE, VTU and other universities each use a different formula. Here's how to convert correctly, and when a self-calculated number isn't enough.

TechToolsCenter TeamRead
Guides 2 min

Free Text to Speech Online: Turn Any Text Into Natural Voice

Proofreading by ear, studying hands-free, or making content more accessible — here's how browser-based text to speech works, and how to get the most natural result.

TechToolsCenter TeamRead
Guides 2 min

ChatGPT vs Claude vs Gemini: Which AI Chatbot Should You Use in 2026?

A practical, no-hype comparison of the three biggest AI chatbots — what each is actually good at, their free tiers, and which one fits your specific task.

TechToolsCenter EditorialRead
Guides 2 min

How to Check Your EPF/PF Balance Online (2026 Guide)

Four free ways to check your Provident Fund balance — the EPFO portal, the UMANG app, a missed call, and SMS — with what you need for each.

TechToolsCenter TeamRead
Guides 2 min

How to Get a Legal Heir Certificate in India (Documents & Process)

What a legal heir certificate is for, who counts as a legal heir, the exact documents you need, and how it's different from a succession certificate.

TechToolsCenter TeamRead
Guides 2 min

How to Download Your Voter ID (e-EPIC) Online

Skip the wait for a physical replacement — download a QR-coded, print-ready copy of your Voter ID from the Election Commission's own portal in a few minutes.

TechToolsCenter EditorialRead
Guides 2 min

What Is an Encumbrance Certificate and How Do You Get One Online?

Why banks and buyers ask for an Encumbrance Certificate before a property deal, what 'nil encumbrance' means, and how to get one from your state's portal.

TechToolsCenter TeamRead
Guides 2 min

How to Compress Images Without Losing Quality

Learn the real difference between lossy and lossless compression, which format to pick for which job, and how to shrink image files in your browser without wrecking them.

TechToolsCenter TeamRead
Guides 3 min

How to Create a Professional QR Code (Free)

A complete walkthrough of QR code types, branding one with your colours and logo without breaking scannability, and exporting it in the right format.

TechToolsCenter EditorialRead
Guides 2 min

How to Merge PDF Files Online (Free & Private)

Combine multiple PDFs into one file, reorder pages, and understand why doing it in your browser matters when the documents are sensitive.

TechToolsCenter EditorialRead
Guides 2 min

Best Free Online Image Compressor in 2026

What to actually look for in an image compressor — privacy, format support and batch processing — and why a browser-based tool beats uploading to a server.

TechToolsCenter TeamRead
Guides 2 min

How to Convert JPG to PNG (and Back) for Free

Step-by-step conversion between JPG and PNG, plus when you actually need each direction — transparency, lossless edits or smaller file size.

TechToolsCenter EditorialRead
Guides 3 min

The Complete Guide to Compressing PDF Files

Why PDFs balloon in size, how compression actually works, and a step-by-step for shrinking a PDF in your browser without making it unreadable.

TechToolsCenter TeamRead
Guides 1 min

How to Apply for a Marriage Certificate in India (2026 Guide)

A step-by-step guide to registering your marriage and getting a marriage certificate in India — documents, fees, witnesses and the online process.

TechToolsCenter TeamRead
Guides 1 min

How to Update Your Aadhaar Address Online (Step by Step)

Change your Aadhaar address from home in a few minutes — accepted documents, the online process, fees and how to track your update.

TechToolsCenter TeamRead
Guides 1 min

How to Apply for a New Ration Card Online in India

Apply for a new ration card, add family members or make corrections online through your state's food & civil supplies portal — documents and steps.

TechToolsCenter EditorialRead
Guides 1 min

Passport & Document Photo Size for Government Forms (Easy Fix)

Government portals often reject photos and documents for being too large or the wrong size. Here's how to get them right in seconds — free.

TechToolsCenter TeamRead
Guides 1 min

How to Link PAN with Aadhaar & Check the Status (2026)

Link your PAN with Aadhaar on the official Income Tax portal, pay any late fee, and check whether they're already linked — step by step.

TechToolsCenter TeamRead
Guides 1 min

How to Check & Pay a Traffic e-Challan Online in India

Find pending traffic challans against your vehicle or licence and pay them online on the official eChallan (Parivahan) portal — safely.

TechToolsCenter TeamRead
Guides 1 min

How to Check Your CIBIL / Credit Score for Free

Every credit bureau must give you one free full report a year. Here's how to check your credit score safely without paying any third-party app.

TechToolsCenter TeamRead
Guides 1 min

How to Apply for a Domicile Certificate Online (Any State)

A domicile certificate proves you're a permanent resident of your state — needed for state quota seats, jobs and scholarships. Here's how to get one online.

TechToolsCenter TeamRead
Guides 1 min

What Is an EWS Certificate and How to Apply for It

The EWS certificate lets eligible general-category families claim the 10% reservation. Learn the income limit, documents and how to apply online.

TechToolsCenter TeamRead
Guides 1 min

How to Get a FASTag and Recharge It Online

FASTag is mandatory for highway tolls. Here's how to buy one, complete KYC, and recharge it — plus how to avoid double-toll charges.

TechToolsCenter TeamRead
Guides 1 min

Aadhaar vs PAN Card — What's the Difference?

Aadhaar and PAN look similar but do very different jobs. Here's what each is for, when you need which, and why they must be linked.

TechToolsCenter TeamRead
Guides 1 min

Documents Required for a Passport in India (Full Checklist)

A clear checklist of the documents you need for a fresh passport or reissue — proof of address, date of birth and identity — plus photo tips.

TechToolsCenter TeamRead
Guides 1 min

How to Make a QR Code for Your Business (Free & Customisable)

Create branded QR codes for your website, menu, UPI payments or Wi-Fi in seconds — with your colours and logo, exported as PNG, SVG or PDF.

TechToolsCenter EditorialRead