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Format Conversion
Encode and decode data to/from Base64 format with URL-safe options
Execution
Fill in the form, run the tool, and review the result in one place.
Samples
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Tool usage guide
The Base64 Converter is a reliable utility designed to quickly encode plain text into Base64 format or decode existing Base64 strings back into readable text, supporting specialized requirements like URL-safe encoding and character set selection.
Background
A developer needs to include an 'Authorization' header in an API request using Basic Auth.
Problem
The credentials 'user:password' must be converted to Base64 format to be accepted by the server.
How to use
Enter 'user:password' into the input field, select 'Encode', and click convert.
Outcome
The tool outputs 'dXNlcjpwYXNzd29yZA==', which can be directly copied into the request header.
Background
A tester is investigating a bug where user data is passed through a URL parameter in Base64 format.
Problem
The tester needs to see the raw content of the parameter 'SGVsbG8gV29ybGQ=' to verify it matches the expected input.
How to use
Paste 'SGVsbG8gV29ybGQ=' into the input, select 'Decode', and click convert.
Outcome
The tool displays the decoded text 'Hello World', confirming the data was transmitted correctly.
Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format, commonly used to transmit data over media that only support text.
Standard Base64 uses '+' and '/' characters, which can cause issues in URLs. The URL-safe option replaces these with '-' and '_' to ensure the string remains valid in web addresses.
Yes, as long as the string is valid Base64. If the input is malformed or contains invalid characters, the tool will notify you of the error.
Yes, you can choose between UTF-8 and ASCII to ensure the character mapping matches your specific data requirements.
This tool performs the conversion locally in your browser, ensuring your data remains private and is not transmitted to external servers.