Base64 Encode/Decode
Encode or decode text using Base64.
- 100% free
- Private in browser
- No signup
- No watermarks
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About Base64 Encode/Decode
Encode strings for data URLs, API tokens, or debugging payloads. Base64 on TheToolss converts plain text to Base64 and decodes Base64 back to text instantly. Use it when you need a quick, private converter without installing CLI tools. Everything runs in your browser — free, no signup, and your strings are not uploaded to our servers. Remember Base64 is encoding for transport, not encryption.
How to use Base64 Encode/Decode
- Paste or type the text you want to convert.
- Choose encode (text → Base64) or decode (Base64 → text).
- Copy the result for your app, config, or debug session.
Key features
- Encode plain text to Base64
- Decode Base64 back to readable text
- Instant conversion with copy-ready output
- Handy for data URLs and debugging
- Private browser processing — no server upload
Frequently asked questions
- Is Base64 conversion free?
- Yes. Encode and decode Base64 free on TheToolss.
- Can I decode Base64 too?
- Yes. Switch between encode and decode modes as needed.
- Is Base64 encryption?
- No. Base64 is encoding for transport or storage, not encryption or security.
- Does it work on mobile?
- Yes. Open the tool in a phone browser and paste your string.
- Is my text uploaded?
- No. Conversion runs locally in your browser.
Related In-Depth Guides
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