Base64 Encoder Decoder
Convert text to Base64 or decode Base64 back to plain text. Useful for API debugging, data URIs, and JWT inspection, all processing stays on your device.
Processed locally in your browser
Last reviewed My saved scenarios· Stored only on this device
Specification & accuracy
- Last reviewed:
- Source
- IETF RFCs and ECMAScript JSON semantics where applicable.
- Official references
- Disclaimer
- Outputs follow published specs (RFCs, JSON standard, etc.). Always validate security-sensitive tokens and payloads in trusted environments.
Examples
- Encode Hello → SGVsbG8=
- Decode API payloads before inspecting in JSON formatter
Wrong result? Report an issue · Methodology
How to Use
- Paste plain text and click Encode, or paste Base64 and click Decode.
- Copy the output for use in your project.
- Pair with JSON formatter or JWT decoder for API work.
Frequently Asked Questions
Is Base64 encryption?
No. Base64 is encoding, not encryption. Anyone can decode it.
Guides & worked examples
Start with examples →Base64 Encoder Decoder Examples
Real-world examples and use cases for base64 encoder decoder.
How to Use Base64 Encoder Decoder
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What is Base64 Encoder Decoder?
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Base64 Encoder Decoder: Complete FAQ
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