Free Online Developer Utilities
Encode, Decode & Transform Data
Fast, private, and free developer tools. No sign-up required — just paste and go.
Popular
Base64 Encode
Convert plain text or binary data into Base64 format instantly.
Open Tool
Base64 Decode
Decode Base64 strings back to readable text or binary data.
Open Tool
URL Encode Decode
Encode or decode URLs, query strings and special characters.
Open Tool
JWT Decode
Inspect and verify JSON Web Token payloads and headers.
Open Tool
Why Use DecodeEncode?
Built for developers who value speed and privacy.
Lightning Fast
Client-side processing means zero latency. Results appear as you type.
100% Private
Your data never leaves your browser. No logs, no tracking, no storage.
Always Free
No accounts, no paywalls, no limits. Open and available for everyone.