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Processed locally in your browserFor this tool, the selected input is handled in your browser. It is not intentionally uploaded to Get Tools Lab for the core operation.
Encoding tool
Base64 Encoder / Decoder
Quick answerBase64 converts data into a restricted ASCII representation. It is an encoding format, not encryption, so do not use Base64 to hide confidential information.
How to use Base64 Encoder/Decoder
- 1Enter the requested information.
- 2Adjust the available options.
- 3Generate the result.
- 4Copy or save it.
About this tool
Encode and decode text using Base64. Get Tools Lab keeps the workflow simple, responsive and accessible in modern browsers. Review the result before using it for important work, and keep a backup of original files.
What this tool does
Base64 represents binary or text data using a restricted ASCII character set; it is an encoding, not encryption.
Common use cases
- Inspect API payloads
- Create data snippets
- Encode small text values
- Decode Base64 test data
Limitations
- Base64 increases data size.
- Base64 does not provide confidentiality or password protection.
Privacy & processing
Processed locally in your browser
For this tool, the selected input is handled in your browser. It is not intentionally uploaded to Get Tools Lab for the core operation.
Common ways people use Base64 Encoder/Decoder
People looking for this tool may describe the task as base64 encode, base64 decode, base64 encoder decoder or decode base64 online. These phrases describe the same or closely related workflow; use the controls above for the supported operation.
Example results
If the result does not look right
- Check for missing padding characters when decoding malformed input.
- Do not treat Base64 output as encrypted data.
Last tested: 2026-09-03
V50 deterministic render, static JS/control audit and responsive layout checks
- ✓ PHP page renders without a fatal/parse error
- ✓ Primary controls and labels are present
- ✓ Invalid or missing input has a recoverable error path
- ✓ Responsive layout checked at 390px and 1365px in V50 local QA
- ✓ Keyboard focus and status region are available
Trust, methodology & corrections
Get Tools Lab documents how tools are designed, reviewed and corrected. We do not claim external certification unless it is explicitly documented.
Frequently asked questions
Is Base64 Encoder/Decoder free to use?
Yes. It is available without an account or subscription.
Is my data private?
Get Tools Lab uses browser-based processing whenever the feature supports it. Avoid entering highly sensitive information into any online utility.
Does it work on mobile?
Yes. The interface is responsive in modern mobile and desktop browsers.
Your feedback
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