Utility Converter
Base64 Encode / Decode
Encode or decode Base64 instantly with our free online tool. Fast, secure, and completely browser-based—your data never leaves your device. Copy or download the results with a single click.
About This Tool
Fast Base64 encoding and decoding in your browser
This Base64 tool helps you convert plain text into Base64 format and decode Base64 content back into readable text instantly. It is useful for developers, API testing, data transport, authentication headers, and quick encoding tasks.
Best For
- Developers working with APIs and tokens
- Users converting text into safe transport format
- Quick decoding of Base64 snippets
How To Use
Three simple steps
- 1. Paste or type your plain text or Base64 value into the input area.
- 2. Choose Encode to convert text to Base64, or Decode to turn Base64 back into readable text.
- 3. Copy the result instantly or download it as a text file for later use.
Features
Built for quick utility work
Why Use This Tool?
Useful for development, debugging, and data transfer
Save Time
Avoid switching between command line tools, browser extensions, and local scripts.
Easy Testing
Great for preparing payloads, auth strings, and debugging encoded values during development.
Privacy First
The workflow stays simple and direct, making it easy to handle text safely in your browser session.
Frequently Asked Questions
Common Base64 questions
What is Base64 used for?
Base64 is commonly used to encode text or binary data into a transport-safe string format for APIs, tokens, email content, and embedded data.
Does Base64 encrypt my data?
No. Base64 is an encoding format, not encryption. Encoded data can be decoded easily if someone has access to it.
Can I decode invalid Base64 text?
No. This tool validates the Base64 input and shows an error if the content is not a valid Base64 string.
When should I use this tool?
Use it when testing APIs, creating auth headers, converting text snippets, or reading encoded values from logs and payloads.
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