Utilities

Utility-grade crypto and QR workflows that run locally in your browser for privacy and speed.

Utilities

6 tools

QR Code Encoder & Decoder

Generate custom QR codes from text or URLs and decode QR images locally in your browser with private client-side processing - Free online QR tool

Barcode Generator

Generate Code 128, EAN-13, and QR barcodes and download as SVG or PNG — free online barcode generator with custom colors and sizes

Generate HMAC-SHA-256, SHA-384, SHA-512, and SHA-1 signatures for API authentication, webhook verification, and JWT tokens - Free online HMAC generator

Base64/Hex File Encoder & Decoder

Convert binary files to Base64 or Hex strings and decode text back into downloadable files locally in your browser - Free online Base64/Hex file converter

Password Hash Identifier

Identify the algorithm used in a hash string — bcrypt, Argon2, MD5, SHA-256, NTLM, PBKDF2, and 20+ more with confidence scoring - Free online hash identifier

ROT47 Encoder Decoder

Encode and decode text using the ROT47 substitution cipher — shifts all 94 printable ASCII characters (! through ~) by 47 positions. Self-inverse, instant, browser-only. Free online ROT47 encoder decoder.