Paste a URL or text below to encode or decode it. Supports full URL encoding/decoding, component-level encoding, and automatic detection of which operation to apply.

return render(() => <URLEncoderDecoder />);

URL Encoder / Decoder

Paste text or a Base64 string below to encode or decode it. Supports standard Base64 and URL-safe Base64, with automatic detection of which operation to apply.

return render(() => <Base64EncoderDecoder />);

Base64 Encoder / Decoder

Upload an image to encode it as a Base64 data URI, or paste a Base64-encoded image string to preview and decode it.

return render(() => <Base64ImageEncoderDecoder />);

Base64 Image Encoder / Decoder

Paste a JSON Web Token below to decode and inspect its header, payload, and signature. Expiration status is checked automatically. 

Signature is not verified. Your token is never saved and is processed locally.

JWT Decoder

Paste a PEM-encoded X.509 certificate below or upload a certificate file (.pem, .crt, .cer, .der).

return render(() => <CertificateDecoder />);

Encoders / Decoders

URL Encoder / Decoder