All Free Online Tools
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Developer tools, Indian finance calculators, PDF and image tools, and everyday utilities in one place. Free, no signup, and they run in your browser.
Developer Tools
Web & Design Tools
Finance & Business Tools
Global Finance & Loans
PDF & Image Tools
Text & Utility Tools
Health & Lifestyle
Fun & Games
Free Online Tools for Developers, Finance and Daily Work
WebToolsKit brings 50+ free online tools together in one place. Format JSON and SQL, calculate SIP, EMI and income tax, resize photos for forms, work with PDFs and more. There is no signup, and the tools run in your browser.
Browse by Category
| Category | What you will find | Open |
|---|---|---|
| Developer Tools | JSON, SQL, Base64, JWT, regex, hash, UUID, converters and minifiers | View developer tools |
| Finance Tools | SIP, EMI, income tax, GST, PPF, FD, RD, CAGR, SWP, inflation, salary and interest calculators | View finance tools |
| Daily Life Tools | PDF tools, image compressor and resizer, passport photo maker, QR code, age, BMI, word counter and more | View daily life tools |
Popular Tools
| Tool | What it does |
|---|---|
| JSON Formatter | Format, beautify, minify and validate JSON |
| SQL Formatter | Format and beautify SQL queries for MySQL, PostgreSQL, SQL Server and more |
| SIP Calculator | Estimate the future value of monthly mutual fund investments |
| Income Tax Calculator | Compare tax under the old and new regimes |
| CTC to In-Hand Salary Calculator | Find your monthly take-home salary from annual CTC |
| Image Compressor | Reduce image file size without a signup |
| Passport Photo & Signature Resizer | Resize photos and signatures to 20KB, 50KB or 100KB for forms |
| QR Code Generator | Create QR codes for links and text |
Developer Tools
| Tool | What it does |
|---|---|
| JSON Formatter | Format, beautify, minify and validate JSON |
| SQL Formatter | Format and beautify SQL queries |
| Base64 Encoder / Decoder | Encode text to Base64 or decode it back |
| Hash Generator | Generate MD5, SHA-1, SHA-256 and SHA-512 hashes |
| JWT Decoder / Encoder | View token contents and verify HS256 signatures |
| Regex Tester | Test JavaScript regular expressions with live highlighting |
| Diff Checker | Compare two texts or code snippets |
| UUID / GUID Generator | Generate unique IDs, including in bulk |
| URL Encoder / Decoder | Encode and decode URLs and query parameters |
| Unix Timestamp Converter | Convert timestamps to dates and back |
| JSON to CSV Converter | Convert JSON to CSV and CSV to JSON |
| JSON to XML Converter | Convert between JSON and XML |
| JSON to C# Converter | Generate C# classes from JSON |
| HTML Minifier | Reduce HTML file size |
| CSS Minifier | Reduce CSS file size |
| JavaScript Minifier | Reduce JavaScript file size |
| Html CSS JS Minifier | Reduce Html, CSS and JavaScript file size |
| JS Tester | JavaScript & jQuery Error Tester |
| Cron expression generator | Build cron schedules or decode any cron expression into plain English, with the next run times shown instantly. |
| json to yaml converter | Validate your input, see the exact line of any error and copy or download the result. |
| json to typescript | Paste any JSON and get clean TypeScript interfaces or types in one click. Nested objects, arrays and optional fields are handled for you. |
| color converter | Paste any color code, pick a color or type a color name and see it in every format at once. Copy HEX, RGB, HSL, HSV or CMYK in one click and check text contrast. |
| markdown previewer | Write Markdown on the left and see the formatted result on the right as you type. Tables, task lists and code blocks are supported. Copy the HTML, download a file or save as PDF. |
| css gradient generator | Pick any color and copy it as HEX, RGB or HSL, or build a linear or radial gradient and copy the ready-made CSS. See the result in a live preview as you work. |
| Favicon Generator | Pick any color and copy it as HEX, RGB or HSL, or build a linear or radial gradient and copy the ready-made CSS. See the result in a live preview as you work. |
| SVG Optimizer | Pick any color and copy it as HEX, RGB or HSL, or build a linear or radial gradient and copy the ready-made CSS. See the result in a live preview as you work. |
| SSL Checker | Pick any color and copy it as HEX, RGB or HSL, or build a linear or radial gradient and copy the ready-made CSS. See the result in a live preview as you work. |
| Bcrypt Generator | Pick any color and copy it as HEX, RGB or HSL, or build a linear or radial gradient and copy the ready-made CSS. See the result in a live preview as you work. |
| Lorem Ipsum Generator | Generate Lorem Ipsum dummy text as paragraphs, sentences, words or list items. Copy as plain text or HTML and see the word and character count. Free. |
| html entity converter | HTML Entity Converter - Encode and Decode HTML Entities | Free Online Tool |
| Meta Tag Generator | Create title, description, Open Graph and Twitter Card meta tags, see an approximate Google search preview and copy the code. Free and runs in your browser. |
Finance Tools
| Calculator | What it does |
|---|---|
| SIP Calculator | Estimate returns on monthly mutual fund investments |
| EMI Calculator | Calculate loan EMI, interest and total payment |
| Income Tax Calculator | Compare tax under the old and new regimes |
| CTC to In-Hand Salary Calculator | Monthly take-home salary after PF and tax |
| GST Calculator | Add or remove GST from a price |
| PPF Calculator | Estimate PPF maturity value and interest |
| FD Calculator | Find the maturity value of a fixed deposit |
| RD Calculator | Estimate returns on a recurring deposit |
| CAGR Calculator | Find the yearly growth rate of an investment |
| SWP Calculator | Plan regular withdrawals from an investment |
| Inflation Calculator | See how inflation changes the value of money |
| Simple & Compound Interest Calculator | Calculate interest with a year-wise growth table |
| Currency Converter | Type an amount, pick the currency you have and the currency you want, and see the result instantly with the exchange rate and the time the rates were last updated. Add several currencies, swap in one click and check the 7-day rate trend. |
| mortgage calculator | Choose US or UK, enter your loan, interest rate and term, and see your estimated monthly payment, total interest and total loan cost. A full amortization schedule shows how much of each payment goes to principal and how much to interest. |
| loan amortization calculator | Enter your loan amount, interest rate and term to see your monthly payment, total interest and total payment, with a full month-by-month schedule. Add an extra monthly payment to see how much sooner you finish and how much interest you save. Works for car, personal, student and other fixed-rate loans in any currency. |
| vat calculator | Add VAT to a net price or remove it from a gross price. Pick an EU country to fill in its standard rate, or type any rate, and see the net price, the VAT amount and the gross price in large, clear text. |
| sales tax calculator | Add sales tax to a price, or take it out of a final price. Pick a US state to fill in its base rate, or type your own, and see the net price, the sales tax amount and the gross price in large, clear text. |
Daily Life Tools
| Tool | What it does |
|---|---|
| Image Compressor | Reduce image file size |
| Image Converter | Convert images into JPG, PNG and WEBP |
| Passport Photo & Signature Resizer | Resize photos and signatures for online forms |
| PDF Tools | Work with PDF files: convert, compress and more |
| JPG to PDF Converter | Convert bulk JPG files to PDF |
| PDF to JPG Converter | Convert PDF to JPG images |
| PDF to JPG Converter | Convert PDF to JPG images |
| PDF Compressor | Reduce PDF file size |
| PDF Splitter | Extract Pages from a PDF |
| PDF Merger | Combine PDFs into Single PDF file |
| PDF Unlocker | Remove Password from a PDF |
| QR Code Generator | Create QR codes for links and text |
| Password Generator | Create strong random passwords |
| Age Calculator | Find your exact age in years, months and days |
| Date Difference Calculator | Find the days between two dates |
| BMI Calculator | Calculate your body mass index |
| Percentage Calculator | Solve common percentage problems |
| Unit Converter | Convert length, weight, temperature and more |
| Word Counter | Count words, characters and sentences |
| Case Converter | Change text to upper, lower, title and other cases |
| PDF to Word Converter | Convert any PDF to an editable Word (DOCX) file for free. No signup, no watermark. |
| Word to PDF Converter | Convert DOC or DOCX to PDF for free. Keeps your layout and fonts. No signup, no watermark. |
| image to text | Turn photos, screenshots and scanned pages into text you can copy and edit. English, Hindi and many other languages are supported. |
| background remover | Remove the background from a photo in one click. Download a transparent PNG, or put your subject on a white, colored or blurred background. Fix edges with simple brushes. |
| number to words in rupees | Type any amount and get it in words right away, in the Indian lakh and crore system. Choose English or Hindi, add paise, and pick cheque style if you need it. |
| time zone converter | Pick a date and time, choose your time zone and add as many other time zones as you need. Each one shows the converted time, the day difference and the UTC offset, and it updates instantly. Daylight saving time is handled for you. |
| pomodoro timer | A clean, distraction-free Pomodoro timer. Focus for 25 minutes, then take a short break, and a longer one after a few rounds. A big countdown, a progress ring and a soft alarm keep you on track, and the time also shows in your browser tab. |
| dice roller | Roll one or more dice and get the total, or flip a coin and see Heads or Tails. Watch the dice roll and the coin spin, and check your recent results in the history. |
| typing speed test | Type the paragraph on the screen for 60 seconds and find out your words per minute, your accuracy and how many mistakes you made. Correct letters turn green and wrong ones turn red as you type. |
| calorie calculator | Enter your gender, age, height, weight and activity level to estimate your BMR and how many calories you need each day. See estimated calories for weight loss, maintaining weight and weight gain, along with a macro breakdown. |
| AI Image Upscaler | Enlarge small or blurry images with an AI model that runs on your own device. Choose 2x, 4x or 8x, compare before and after and download. Free. |
| Random Picker Wheel | Add your names or options and spin the wheel to pick one at random. Shuffle, edit, remove winners and celebrate with confetti. Free and runs in your browser. |
| Stopwatch & Countdown Timer | A clean stopwatch with lap times and a countdown timer with presets and a beep. Time shows in your browser tab, and there is a fullscreen mode. Free and runs in your browser. |
| HEIC to JPG Converter | Turn HEIC photos from your iPhone into JPG files that open everywhere. Several photos at once, ZIP download, converted on your own device with no uploads. |
| YouTube Thumbnail Downloader | Paste a YouTube video link and get its thumbnails in every available size with the exact resolution shown. Free, no signup, and it runs in your browser. |
| Image Resizer for Social Media | Resize and crop your photo to the exact size for Instagram, YouTube, Facebook and Twitter. Live preview, guide grid and quality control. Free and runs in your browser. |
| Keyword Density Checker | Paste your article and see how often each word and phrase appears, with density percentages, word count and reading time. Free and runs in your browser. |
| Text to Speech Converter | Turn text into speech with the voices on your device. Choose the voice and language, set speed and pitch, then pause, resume or stop. Free, no signup. |
| Dead Pixel Test & Screen Resolution | Check your screen resolution, device pixel ratio and browser window size, then run a fullscreen color test to look for dead or stuck pixels. Free and runs in your browser. |
Why Use WebToolsKit?
- Free and simple: No signup, no account and no usage limits.
- Private by design: The tools run in your browser using JavaScript, and your input is not sent to our server.
- Made for India: Finance calculators use Indian rupees and current Indian rules, and each page shows when the rules were last checked.
- Fast and light: Pages load quickly and work on phones, tablets and computers.
- Clear explanations: Every tool comes with examples, formulas and answers to common questions.
How to Find the Right Tool
- Pick a category: Developer, Finance or Daily Life.
- Open the tool that matches your task from the tables above.
- Enter your input and get the result instantly.
- Use the related tools at the bottom of each page to continue your work.
Frequently Asked Questions
1. What is WebToolsKit?
WebToolsKit is a collection of free online tools for developers, finance and everyday tasks. It includes JSON, SQL and Base64 tools, Indian finance calculators such as SIP, EMI and income tax, PDF tools, an image resizer and more.
2. Are all the tools free?
Yes. All tools are free to use, with no signup and no usage limits. You can open any tool and use it right away.
3. Is my data uploaded to your server?
The tools run in your browser using JavaScript, and your input is not sent to our server. Still, avoid pasting real passwords, API keys or sensitive data into any online tool.
4. Which developer tools are available?
You can use a JSON formatter, SQL formatter, Base64 encoder and decoder, hash generator, JWT decoder, regex tester, diff checker, UUID generator, URL encoder and decoder, Unix timestamp converter, JSON converters and HTML, CSS and JavaScript minifiers.
5. Which finance calculators are available?
There are SIP, EMI, income tax, GST, PPF, FD, RD, CAGR, SWP, inflation, CTC to in-hand salary and simple and compound interest calculators.
6. Do the finance calculators follow Indian rules?
Yes. They use Indian rupees and current Indian rules, such as income tax slabs, and each page shows when the rules were last checked. Results are estimates, so confirm important decisions with an official source or a qualified professional.
7. Do the tools work on mobile?
Yes. All tools work in modern mobile and desktop browsers.
8. Do you add new tools?
Yes. New tools are added regularly, so check this page for the latest list.
Results from calculators are estimates for planning and are not financial, tax or legal advice. Always verify important figures with an official source.