Base64 Encode / Decode
Encode or decode text as standard or URL-safe Base64 — private and instant.
100% In-Browser & Private — your data never leaves this device
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How to use Base64 Encode / Decode
- Paste plain text or Base64.
- Choose Encode or Decode.
- Toggle Standard vs URL-safe alphabet when encoding.
- Copy or download the result.
FAQ
- Is binary data supported?
- This tool is for UTF-8 text. Use Base64 ↔ Image for image payloads.
- What is URL-safe Base64?
- It replaces +/ with -_ and omits padding — common in JWTs and query strings.
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