Tech Tools
Handy developer and security utilities that run right in your browser, from password generators to QR codes and formatters. Nothing you enter is uploaded.
Password Generator
Create strong, random passwords that never leave your browser.
QR Code Generator
Turn any link or text into a downloadable QR code.
File Converter
Convert files between formats in your browser — images and PDFs.
Merge PDF
Combine several PDFs into one file, in your browser.
PDF Converter
Convert PDFs to images, or images into a PDF.
Compress PDF
Reduce PDF file size, especially scans, in your browser.
Split PDF
Extract pages or split a PDF into separate files.
Unit Converter
Convert length, weight, volume, temperature and more.
Regex Tester
Test regular expressions against your sample text live.
Password Strength Checker
See how strong a password is and how to improve it.
JSON Formatter
Format, tidy and validate JSON.
JWT Decoder
Decode and inspect a JSON Web Token in your browser.
Base64 Encoder / Decoder
Encode text to Base64 or decode it back.
Colour Contrast Checker
Check text contrast against WCAG accessibility levels.
UUID Generator
Generate random version 4 UUIDs instantly.
Markdown to HTML
Convert Markdown into clean HTML you can copy.
URL Encoder / Decoder
Percent-encode or decode URL components.
Hash Generator
Create SHA-1, SHA-256 and SHA-512 hashes.
Unix Timestamp Converter
Convert between Unix timestamps and dates.
Random Number Generator
Generate random numbers in any range.
HTML Minifier
Shrink HTML by stripping comments and whitespace.
HTML Entity Encoder
Escape and unescape HTML special characters.