Encoders & decoders tools
Turn text into other representations — and back — safely.
Base64 Encoder / Decoder
Encode and decode Base64 text with full UTF-8 support.
Open toolURL Encoder / Decoder
Encode and decode URLs and query parameters cleanly.
Open toolJWT Decoder
Decode JWTs into header, payload and signature views.
Open toolHex Viewer
Inspect text bytes as an offset, hex, ASCII classic hexdump.
Open toolHTML Entities Encoder / Decoder
Encode or decode HTML entities (&, <, &) safely.
Open toolImage to Base64 Converter
Convert any image to a Base64 data URI, ready to embed.
Open toolJWT Verifier
Verify a JWT signature against a secret or public key.
Open tool7 tools in this category · browse all 40 tools