Developer Security Utilities
Text Encoder, Decoder & Hash Tools
Encode, decode, hash, verify and transform text data directly in your browser. Work with Base64, JWT, SHA, HMAC, URL query strings, form payloads and text case conversions.
Base64 Tools
Browser-based
Base64 Encode / Decode
Convert plain text to Base64 or decode Base64 back to UTF-8 text.
Input
Output
JWT Token
Decoded JWT
Paste a token to decode its header and payload.
Input Text
Hash Output
Hashes are one-way and cannot be decrypted.
Message & Secret
HMAC Signature
Enter message and secret key to generate a signature.
Input
Output
Input
Output
Query String / URL
Dictionary / Query Output
Form Payload
Raw / Dictionary Output
Input Text
Converted Text
Encoder, Decoder & Hash Generator
Encode, decode, hash and verify text data online
Use this browser-based text encoder and hash generator to work with Base64, JWT tokens, SHA hashes, HMAC signatures, URL encoding, HTML entities, query strings and form payloads. It is useful for developers, API testing, webhook verification and everyday text transformation workflows.
Browser-based processing
Most operations run directly in your browser for a faster workflow.
JWT and HMAC tools
Decode JWT payloads and generate or verify HMAC signatures.
Query and form parser
Convert query strings and form payloads into readable dictionary output.