Which Base format does my token use?

Match it to the system: JWT/JWS/JWE and data URLs use Base64URL; Bitcoin addresses and most wallet/seed formats use Base58; EU Digital COVID Certificates and some QR payloads use Base45; URL shortener IDs use Base62; ZeroMQ and RFC 1924 IPv6 use Base85/Z85; and Base32 appears in TOTP secrets and DNS. The Base-N Radix Converter also covers plain numeric radix 2–36.

What is the difference between Base64 and Base64URL?

Standard Base64 uses + and / and often pads with =, which break in URLs and filenames. Base64URL replaces them with - and _ and makes padding optional, which is why JWTs and data URLs use it. The Base64URL tool converts both ways between standard and URL-safe forms.

Is encoding the same as encryption?

No. These encodings are reversible representations of the same bytes — anyone can decode them and they hide nothing. They are for transport and inspection, not secrecy. For confidentiality use the cipher tools; encodings here only reformat data.

Can I inspect a binary file as a hex dump?

Yes. The Hex Editor (File Viewer) is read-only: upload any binary file and it renders a classic hex dump with offset, hex-byte, and ASCII columns so you can see the raw structure without modifying anything.

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encode-decode

Base, Radix, and Hex Text Encoding Tools

Encode and decode text and bytes across Base32/45/58/62/64URL/Base85/Z85, arbitrary radix (2–36), and hex, plus URL, HTML-entity, and Unicode escape conversion — for JWTs, blockchain IDs, data URLs, and binary inspection.

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What this hub helps you accomplish

This hub gathers the alphabet-based encodings developers reach for when moving data between text and bytes. The Base family covers the formats real systems use — Base32, the EU Digital COVID Certificate Base45, the Bitcoin/Ripple Base58, the URL-shortener Base62, JWT's Base64URL, and the ZeroMQ/RFC-1924 Base85 — alongside a meta Base-N converter for any radix from 2 to 36. The hex and escape group handles hex-to-string inspection, a classic hex-dump file viewer, and the URL / HTML-entity / Unicode escapes that appear in web payloads and source files. Use it to pick the right encoding, inspect raw bytes, or round-trip a token without guessing which Base variant you are looking at.

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Base, Radix, and Hex Text Encoding Tools

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Learn when to use this tool, what it supports, and how real users apply it.

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Base-N Radix Converter

Base32 Converter

Base45 Converter

Base58 Converter

Base62 Converter

Base64URL Encoder/Decoder

Z85 RFC 1924 Base85 Stream Encoder Decoder

Hex to String Converter

Hex Editor (File Viewer)

URL Encoder/Decoder

HTML Entity Encoder/Decoder

Unicode Escape Converter

Hex/Unicode Encoding Format Samples

Binary Payload Encoding and Serialization Tools

Text Case, Encoding, and Normalization Conversion Tools

Unicode, Emoji, and Invisible Character Debugging Tools

Key Generation, Signatures, and Trust Verification Tools

Classic and Modern Cipher Tools