Base64 Encoder & Decoder
Encode text or a file to Base64, or decode it back. Handles Unicode correctly and updates as you type.
Plain text
paste or uploadBase64
The result appears here as you type.
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Encode text or a file to Base64, or decode it back. Handles Unicode correctly and updates as you type.
The result appears here as you type.
Encode or decode Base64 strings and files for web, APIs, or cryptographic use. DevTools provides focused browser-based developer utilities so you can validate inputs, inspect payloads, copy results, and move between related utilities without installing local dependencies or configuring heavy toolchains.