Paste any data and auto-detect the format — JSON, JWT, URLs, Base64, UUID, hash, cURL, timestamps, CSV, HTML, colors, and IP addresses
Smart Formatter is your universal data formatter. Paste JSON, JWT, Base64, UUID, hash, cURL, Unix timestamp, CSV, HTML, hex color, or IP address — it auto-detects the format and displays a clean, formatted breakdown with one-click routing to specialized tools.
Command Playground
Paste any data and instantly detect its type — JSON, JWT, URL, Base64, UUID, hash, timestamp, and moreJSON Viewer
Format, validate, and interactively browse JSON dataJWT Toolkit
Decode, inspect, and generate JWT tokens — sign with HMAC, RSA, ECDSA, and EdDSABase64 Text
Encode plain text to Base64 and decode Base64 back to textEncoder / Decoder
Encode and decode text using Base64, URL encoding, HTML entities, Unicode, hex, and binary formatsHash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any textDevDeck © 2023 - 2026
100% client-side • No data leaves your browser