Developer tools
Everyday developer utilities: JSON formatter and validator, Base64 and URL encoding, password, hash and UUID generators, and a Unix timestamp converter.
JSON Formatter
Free JSON formatter and validator. Beautify or minify JSON, sort keys and find errors with line and column numbers. Runs in your browser.
Base64 Encode / Decode
Free Base64 encoder and decoder. Convert text to Base64 and back with full UTF-8 support, including Hindi and emoji. URL-safe option included.
URL Encode / Decode
Free URL encoder and decoder. Convert spaces, Hindi and special characters to percent encoding (%20) and back. Runs in your browser.
Password Generator
Free strong password generator. Create random, secure passwords with letters, numbers and symbols. Generated in your browser, never sent anywhere.
Hash Generator
Free hash generator. Create SHA-256, SHA-1, SHA-384 and SHA-512 hashes of any text, calculated in your browser with the Web Crypto API.
UUID Generator
Free UUID v4 generator. Create up to 1000 random UUIDs (GUIDs) at once, in lowercase or uppercase, with or without hyphens.
Unix Timestamp Converter
Free Unix timestamp converter. Convert epoch time in seconds or milliseconds to a readable date in your time zone and UTC, and back.
More tools
CalculatorsFree calculators for money and everyday life: loan EMI, income tax, SIP, PPF, salary, GST, age, BMI, dates and a scientific calculator. Updated for FY 2026-27 and available in English and Hindi.
Text toolsCount words, change case, clean up spaces, remove duplicate lines, find and replace, and write numbers in words — for English and Hindi text.
Image toolsCompress photos to a size like 50 KB, resize and convert images, and make passport size photos. Your images never leave your device.
Design toolsTools for designers and developers: colour picker and converter, palette and CSS gradient generators, WCAG contrast checker, image colour picker, favicon and QR code generators.
PDF toolsMerge, split, compress and rotate PDFs, and convert between PDF and JPG — right in your browser, without uploading your files.