Free Online Tools, Processed Locally.
No signups, no uploads. Everything runs directly in your browser for maximum privacy and speed.
Developer Tools
JSON Formatter & Validator
Free online JSON formatter, validator, and beautifier. Format your JSON string instantly in your browser.
Regex Tester & Debugger
Test, debug, and evaluate Regular Expressions (RegEx) instantly in your browser.
Base64 Encoder/Decoder
Free online Base64 encoder and decoder. Convert text to Base64 format and vice versa instantly in your browser.
URL Encoder/Decoder
Encode and decode URLs and URI components online for free. Safely process URL parameters.
UUID / GUID Generator
Generate bulk random UUIDs (Universally Unique Identifiers) instantly online.
Color Converter
Convert colors between HEX, RGB, HSL, and CMYK formats. Free online color picker and conversion tool.
JWT Decoder
Decode JSON Web Tokens (JWT) locally to view header and payload claims securely.
Unix Timestamp Converter
Convert Unix epoch timestamps to human-readable dates, and vice versa.
HTML Entity Encoder/Decoder
Encode and decode HTML entities safely to prevent XSS and format code snippets.
SQL Formatter
Beautify and format messy SQL queries instantly online.
XML Formatter
Format, beautify, and indent XML data locally in your browser.
CSS Box Shadow Generator
Visually create and copy CSS box-shadow code with an interactive preview.
CSS Formatter / Minifier
Beautify messy CSS code or minify it to save bandwidth.
Image Tools
Image Compressor
Compress JPEG, PNG, and WebP images online for free without losing quality. 100% local browser processing.
Image Format Converter
Convert images locally between PNG, JPG, and WEBP formats.
Image to Base64 Converter
Convert images to Base64 data URIs or decode Base64 strings back to images.
Calculators
Mortgage Calculator
Calculate your monthly mortgage payments quickly and easily. See how much you will pay in principal and interest.
Unit Converter
Free online unit converter for Length, Weight, Temperature, Area, and Volume.
Percentage Calculator
Calculate percentages easily. Find the percentage of a number, percentage increase/decrease.
Security Tools
Text Tools
Word & Character Counter
Free online word counter, character counter, and text statistics tool.
Lorem Ipsum Generator
Generate standard Lorem Ipsum placeholder text for your web designs, mockups, and layouts.
Case Converter
Convert text to lowercase, UPPERCASE, Title Case, camelCase, and more.
Text Diff Checker
Compare two text documents and highlight the differences (added and removed lines).