How to Use the Base64 Encoder / Decoder

Convert text to Base64 and back for data URLs, tokens, and ASCII-safe transport - plus what Base64 is (and is not) good for.

Base64 turns binary-friendly or awkward text into an ASCII-safe string that travels well through JSON, email-like protocols, and data URLs. The Base64 Encoder / Decoder on EverydayDevTools lets you encode and decode locally with UTF-8 support so non-ASCII characters survive the round trip.

Enter plain text and click Encode to produce a Base64 string, or paste Base64 and click Decode to recover readable text. Invalid Base64 input returns a clear error instead of silent garbage. Copy the result when you are ready to embed it in a config, inspect a token fragment, or build a small data URL.

Remember: Base64 is encoding, not encryption. Anyone can decode it. Use it for transport and representation, not for hiding secrets. Prefer HTTPS and proper crypto when confidentiality matters.

Common jobs: inspecting encoded payloads, preparing strings for systems that reject raw binary, or checking that a Base64 blob decodes to what you expect. Keep conversions local when the text includes credentials or unpublished draft content.