Free online Base32 and Base58 encoder/decoder tool. Supports bidirectional conversion.
TL;DR: Free Base32 and Base58 encoder/decoder. Removes easily confused characters, ideal for blockchain addresses and short links, runs locally.
This tool runs entirely in your browser. Open DevTools → Network panel and search your input — it appears in no request.
FAQ
Completely free, no registration required. Encode and decode Base32 and Base58 directly in your browser — all operations run locally with no usage limits.
Base32 uses 32 characters (A-Z + 2-7), case-insensitive, ideal for verbal communication. Base58 uses 58 characters, removing easily confused 0, O, I, l, commonly used in Bitcoin addresses. Base64 uses 64 characters for the most compact encoding.
No. All Base32 and Base58 encoding and decoding runs locally in your browser. Your data is never sent to any server.
Base58 is commonly used in blockchain addresses (Bitcoin, IPFS CID), short links, verification codes, and other scenarios where visual confusion must be avoided. It removes easily confused characters like 0, O, I, l for easy manual transcription and recognition.
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