Base64 Encode / Decode
Encode text to Base64 or decode Base64 back to plain text instantly.
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About this tool
Base64 Encode / Decode lets you convert plain text to Base64 and decode Base64 back to readable text instantly. It is useful for developers working with APIs, tokens, headers, encoded strings, and data transfer formats. It is designed for quick development tasks such as debugging, formatting, validating, encoding, decoding, and inspecting data.
How to use Base64 Encode / Decode
- Paste plain text or Base64 text into the input box.
- Click Encode to convert normal text into Base64.
- Click Decode to convert Base64 back into readable text.
- Use the sample button to test the tool instantly.
- Copy the output when you are done.
Why use Base64 Encode / Decode?
Base64 Encode / Decode helps developers quickly transform text for debugging, API work, data transport, and encoded content review. It is useful when inspecting payloads, authentication values, and encoded strings in development workflows. This makes it useful when working with APIs, configuration files, logs, databases, web pages, or structured data.
Practical guide
Common use cases
- Encode short text snippets for development tests, API examples, debugging, or documentation.
- Decode Base64 strings found in logs, API samples, configuration values, test data, or copied examples.
- Check whether a Base64 value represents readable text or needs to be handled as binary data.
- Prepare safe demonstration strings for tutorials or internal notes.
Example workflow
Paste plain text to encode or a Base64 value to decode, run the conversion, and review the output. If the decoded result contains unexpected symbols, binary-looking content, or sensitive values, do not copy or execute it blindly.
Practical tips
- Base64 is encoding, not encryption. Anyone can decode it if they have the encoded string.
- Do not use Base64 as a way to protect passwords, tokens, private keys, or confidential content.
- Be cautious when decoding unknown data because it may contain scripts, binary content, or private information.
- Use small test samples when documenting Base64 behavior.
Privacy and data note
Do not encode or decode passwords, access tokens, private keys, session cookies, confidential customer data, or internal secrets unless you fully understand how the result will be stored, shared, and protected.
Frequently Asked Questions
What does Base64 Encode / Decode do?
It converts plain text into Base64 format and also decodes valid Base64 text back into readable content.
Can I decode Base64 text here?
Yes. Paste Base64 text and click Decode to view the decoded result.
Does this tool work in the browser only?
Yes. The encoding and decoding happens instantly in your browser with JavaScript.
Is Base64 Encode / Decode free to use?
Yes. You can use this tool online for free.
Do I need to install anything to use this tool?
No. You can use this tool directly in your browser without installing extra software.
Can I use this tool on mobile?
Yes. This tool can be used on desktop, tablet, and mobile browsers.