All Developer & Security Tools (13)
Decode, inspect claims, format expiry timestamps, and verify signatures client-side.
Convert epoch seconds and milliseconds to human-readable dates in UTC & local time.
Compare times across global cities and calculate optimal meeting overlap windows.
Permanent high-res QR codes for URLs, Wi-Fi, and Indian UPI payments.
Cryptographically random passwords and multi-word passphrases with entropy meters.
Calculate SHA-256, SHA-512, MD5, and SHA-1 checksums with instant verification.
Inspect hidden EXIF camera tags and GPS coordinates in photos before sharing.
Pixelate or black-out faces and private document details with client-side canvas.
Beautify, indent, minify, and inspect JSON payloads with real-time error detection.
Format, indent, minify, and diagnose unclosed tag errors in XML feeds and SOAP payloads.
Base64 encode-decode, URL escaping, HTML entity conversion, and UUID v4 generator.
Test JavaScript regular expressions with real-time capture groups and cheatsheet presets.
Create professional GST invoices with CGST/SGST/IGST and instant print-ready A4 PDF.