Free online tools for everyday work
PDF, image, text, developer and finance tools that run in your browser. No sign-up. Your files never leave your device.
Use 55 free online tools: merge and split PDFs, compress and convert images, format JSON, generate QR codes and passwords, and calculate GST, EMI, SIP and more. Everything runs in your browser, so nothing is uploaded.
Website Builders
Build a website for free
Text Tools
Count, convert and clean text
Word Counter
Free word counter and character counter. Count words, characters, sentences, paragraphs and…
Case Converter
Free online case converter. Change text to UPPERCASE, lowercase, Title Case, Sentence case,…
Slug Generator
Free slug generator. Turn any title into a clean, SEO-friendly URL slug: lowercase, hyphenat…
Remove Duplicate Lines
Free tool to remove duplicate lines from a list. Keep unique lines only, ignore case, trim s…
Sort Lines
Free line sorter. Sort text lines A–Z, Z–A, numerically, by length, reverse or shuffle rando…
Lorem Ipsum Generator
Free Lorem Ipsum generator. Create placeholder text by paragraphs, sentences or words for mo…
Text Diff Checker
Free text diff checker. Compare two texts or files line by line and see additions and deleti…
Find and Replace
Free online find and replace. Replace words or patterns in bulk with optional regular expres…
Reverse Text
Free reverse text tool. Reverse the letters in text, the order of words, each word separatel…
Remove Line Breaks
Free tool to remove line breaks and extra spaces from text. Join lines into one paragraph, k…
Developer Tools
Format, encode and debug
JSON Formatter & Validator
Free JSON formatter and validator. Beautify, minify and validate JSON with clear error messa…
JSON to CSV Converter
Free JSON to CSV converter. Convert a JSON array of objects into CSV for Excel or Google She…
CSV to JSON Converter
Free CSV to JSON converter. Turn CSV or spreadsheet data into a JSON array with header detec…
Base64 Encoder & Decoder
Free Base64 encoder and decoder. Convert text to Base64 and back with full Unicode support a…
URL Encoder & Decoder
Free URL encoder and decoder. Percent-encode or decode text for query strings and links with…
UUID Generator
Free UUID generator. Create one or many random version 4 UUIDs (GUIDs) with uppercase and no…
Hash Generator (MD5, SHA-256)
Free online hash generator. Create MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes of any te…
JWT Decoder
Free JWT decoder. Paste a JSON Web Token to read its header and payload, with expiry and iss…
Regex Tester
Free regex tester. Test JavaScript regular expressions with live match highlighting, capture…
Unix Timestamp Converter
Free Unix timestamp converter. Convert epoch seconds or milliseconds to a readable date and…
Markdown Previewer
Free Markdown previewer. Write Markdown on the left and see the formatted result live on the…
Calculators
Finance and everyday maths
Percentage Calculator
Free percentage calculator. Find X% of a number, what percent one number is of another, perc…
GST Calculator
Free GST calculator for India. Add or remove GST at 0.25%, 3%, 5%, 12%, 18% or 28% and see t…
EMI Calculator
Free EMI calculator. Find your monthly loan EMI, total interest and total payment for home,…
SIP Calculator
Free SIP calculator. Estimate the future value of a monthly SIP with expected return and ten…
Compound Interest Calculator
Free compound interest calculator. See how your money grows with annual, half-yearly, quarte…
Simple Interest Calculator
Free simple interest calculator. Find the interest and total amount from principal, annual r…
FD Calculator
Free FD calculator. Estimate the maturity amount and interest on a fixed deposit with quarte…
CAGR Calculator
Free CAGR calculator. Find the compound annual growth rate of an investment, business metric…
Age Calculator
Free age calculator. Find your exact age in years, months and days, total days lived, the we…
BMI Calculator
Free BMI calculator. Calculate your body mass index in kg/cm or lb/inches and see the WHO ca…
Date Difference Calculator
Free date difference calculator. Find the number of days, weeks, months and years between tw…
Discount Calculator
Free discount calculator. Find the sale price and amount saved from the original price and d…
Unit Converter
Free unit converter. Convert length, weight, temperature, area, volume, speed and digital st…
App Development Cost Calculator
Free app development cost calculator for India with indicative price and timeline.
Website Development Cost Calculator
Free website cost calculator for India with indicative price and timeline.
Image Tools
Compress, resize and convert
Image Compressor
Free image compressor. Reduce JPG, PNG and WebP file size right in your browser with a quali…
Image Resizer
Free image resizer. Resize images to exact width and height in pixels or by percentage, keep…
Image Format Converter
Free image converter. Convert images between PNG, JPG and WebP in your browser with adjustab…
Image to Base64
Free image to Base64 converter. Turn an image into a Base64 data URL for HTML, CSS or JSON,…
PDF Tools
Merge, split and create PDFs
Merge PDF
Free PDF merger. Combine multiple PDF files into one in your browser. Reorder files, then do…
Split PDF
Free PDF splitter. Extract selected pages or page ranges from a PDF into a new file, right i…
Image to PDF
Free image to PDF converter. Turn one or many JPG or PNG images into a single PDF with A4 or…
SEO & Web Tools
Meta tags, robots, sitemaps
Meta Tag Generator
Free meta tag generator. Create title, description, canonical, Open Graph and Twitter Card t…
Robots.txt Generator
Free robots.txt generator. Build a correct robots.txt file with allow and disallow rules, si…
XML Sitemap Generator
Free XML sitemap generator. Paste your page URLs and get a valid sitemap.xml with lastmod, c…
UTM Link Builder
Free UTM builder. Add utm_source, utm_medium, utm_campaign, term and content to any URL to t…
FAQ Schema Generator
Free FAQ schema generator. Add questions and answers and get valid FAQPage JSON-LD markup to…
Design & Utility
QR codes, passwords, colours
QR Code Generator
Free QR code generator. Create QR codes for links, text, email or Wi-Fi with custom colours…
Password Generator
Free strong password generator. Create random passwords with custom length and characters. U…
Color Converter
Free colour converter. Convert between HEX, RGB, HSL and CMYK with a colour picker and live…
CSS Gradient Generator
Free CSS gradient generator. Design linear and radial gradients with multiple colour stops,…
Random Number Generator
Free random number generator. Generate one or many random numbers between a minimum and maxi…
CSS Box Shadow Generator
Free CSS box-shadow generator. Adjust offset, blur, spread, colour and opacity with a live p…
Popular free tools
Free Website Generator
Free website generator for businesses. Enter your details, pick a style and download a compl…
Word Counter
Free word counter and character counter. Count words, characters, sentences, paragraphs and…
Case Converter
Free online case converter. Change text to UPPERCASE, lowercase, Title Case, Sentence case,…
JSON Formatter & Validator
Free JSON formatter and validator. Beautify, minify and validate JSON with clear error messa…
Percentage Calculator
Free percentage calculator. Find X% of a number, what percent one number is of another, perc…
GST Calculator
Free GST calculator for India. Add or remove GST at 0.25%, 3%, 5%, 12%, 18% or 28% and see t…
EMI Calculator
Free EMI calculator. Find your monthly loan EMI, total interest and total payment for home,…
SIP Calculator
Free SIP calculator. Estimate the future value of a monthly SIP with expected return and ten…
Image Compressor
Free image compressor. Reduce JPG, PNG and WebP file size right in your browser with a quali…
Merge PDF
Free PDF merger. Combine multiple PDF files into one in your browser. Reorder files, then do…
QR Code Generator
Free QR code generator. Create QR codes for links, text, email or Wi-Fi with custom colours…
Password Generator
Free strong password generator. Create random passwords with custom length and characters. U…
Fast, private and free
Built to be useful in seconds, without accounts or ads getting in the way.
Private by design
Files and text are processed on your device using your browser. We never receive them.
No sign-up, no limits
Open a tool and use it. No account, watermark or daily cap.
Built for India
GST, EMI, SIP and FD calculators use Indian formats, rates and the ₹ symbol.
Questions about our free tools
Are these online tools really free?
Yes. Every tool is free to use with no sign-up, no watermark and no usage limit.
Are my files uploaded to a server?
No. The tools run entirely in your browser, so your files, images, PDFs and text stay on your device.
Do the tools work on mobile?
Yes. They are designed to work on phones, tablets and desktops in any modern browser.
Who makes these tools?
Susraj Tech Private Limited, an Indian software company that builds websites, apps and custom software. We also build custom tools for businesses.
Can you build a custom tool for my business?
Yes. If you need a calculator, converter, dashboard or internal tool, contact us for a free quote.
Have an idea? Let’s build it.
Tell us what you need and we’ll reply with a clear, written quote. No pressure, no jargon.