Paste any data and instantly detect its type โ JSON, JWT, URL, Base64, UUID, hash, timestamp, and more
Command Playground uses intelligent detection to identify your data type (JSON, JWT, URL, Base64, UUID, hash, Unix timestamp, CSV, and HTML) and suggest the best DevDeck tool to process it. No manual tool selection needed โ just paste and go.
Smart Formatter
Paste any data and auto-detect the format โ JSON, JWT, URLs, Base64, UUID, hash, cURL, timestamps, CSV, HTML, colors, and IP addressesJSON Viewer
Format, validate, and interactively browse JSON dataJWT Toolkit
Decode, inspect, and generate JWT tokens โ sign with HMAC, RSA, ECDSA, and EdDSAEncoder / Decoder
Encode and decode text using Base64, URL encoding, HTML entities, Unicode, hex, and binary formatsBase64 Text
Encode plain text to Base64 and decode Base64 back to textDevDeck ยฉ 2023 - 2026
100% client-side โข No data leaves your browser