Encoders & Decoders
7 free encoders & decoders that run entirely in your browser. Encode and decode data. Nothing is uploaded and nothing is stored.
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 strings with URL-safe variant support.
URL Encoder / Decoder
Encode, decode, and parse URLs with full component breakdown and query parameter table.
JWT Decoder & Verifier
Decode and verify JSON Web Tokens with signature validation, live expiry countdown, and claim explanations.
HTML Entity Encoder / Decoder
Encode and decode HTML entities with named and numeric entity support.
JWE Encrypt / Decrypt
Inspect, encrypt, and decrypt JSON Web Encryption tokens with AES-GCM and RSA-OAEP.
cURL Converter
Paste a cURL command and get ready-to-run code for 8 languages, a live request-anatomy breakdown, and one-click secret redaction.
JWT Generator & Signer
Build and sign a JSON Web Token: edit claims as a form or raw JSON, pick HS/RS/PS/ES, supply or generate a key, and copy the signed token.