Codes & Data Tools
Generate, read, and manage barcodes, QR codes, and other data formats.
Barcode & QR Code Tools
Generate and scan all common barcode and QR code formats.
JSON Formatter
Beautify and validate JSON data.
Base64 Encoder/Decoder
Encode and decode Base64 text, including URL-safe strings.
URL Encoder/Decoder
Encode or decode URL strings.
UUID Generator
Generate universally unique identifiers.
Password Generator
Create strong, secure passwords with custom length and character sets.
Hash Generator
Compute MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes from text.
JWT Decoder
Decode JSON Web Token header, payload and signature locally.
Related Guides
June 6, 2026
How to Encode and Decode Base64 Text Safely
Learn what Base64 is, when to use standard vs URL-safe Base64, and how to encode or decode text locally in your browser without uploading data.
March 10, 2026
How to Generate a Strong Password (And Why Length Beats Symbols)
Learn what makes a strong password, why length matters more than symbols, and how to generate secure passwords for email, banking and Wi-Fi.
April 18, 2026
How to Decode a JWT Token (Header, Payload, Signature)
Learn what a JWT is, what its three parts mean, how iat, nbf and exp claims work, and the critical difference between decoding and verifying a token.
August 20, 2024
How to Generate and Scan Barcodes & QR Codes (Free Online Guide)
A complete guide on how to create custom barcodes and QR codes for free online. Learn to scan any code with your camera or image, understand different formats, and discover common uses for business and personal projects.