Free online tools, right in your browser
55+ fast, private utilities for developers, writers and everyone else. No signup, no uploads — everything runs on your device.
Featured tools
View all →JSON Formatter
Format, validate and beautify JSON online. Free JSON formatter with indentation options and key sorting — runs entirely in your browser.
Base64 Encode/Decode
Encode text to Base64 or decode Base64 to text instantly. Free online Base64 converter — no upload, everything stays in your browser.
Password Generator
Generate strong, random passwords with custom length, uppercase, numbers and symbols. Secure client-side generation — nothing leaves your device.
Regex Tester
Test regular expressions against sample text with live match highlighting, flags and capture groups. Free online regex tester.
Word Counter
Count words, characters, sentences and paragraphs in real time. Free online word counter for essays, tweets and SEO content.
Basic Calculator
Free online calculator for quick everyday arithmetic — addition, subtraction, multiplication, division and percentages.
QR Code Generator
Create QR codes for URLs, text and Wi-Fi instantly, then download as PNG. Free client-side QR code generator — no watermark.
JWT Decoder
Decode JWT tokens online — view the header, payload and expiry instantly. Fully client-side, your token never leaves the browser.
Currency Converter
Convert between 35+ world currencies with daily-updated exchange rates. Free currency converter — USD, EUR, GBP, INR, JPY and more.
Age Calculator
Calculate exact age in years, months and days from a date of birth — plus total days lived and days until the next birthday.
Image Resizer
Resize images to exact pixel dimensions and download as PNG, JPEG or WebP. Free image resizer that runs entirely in your browser — no upload.
Invoice Generator
Create a professional invoice in your browser — line items, tax, discount and totals — then print or save as PDF. Free, no signup, no watermark.