Base64 Encoder & Decoder Online
Encode and decode Base64 strings online for free. Convert text to Base64 and decode Base64 to text instantly with our simple browser-based tool.
Input
Frequently Asked Questions
Encode Mode Example
Input:
Hello, World!
Output:
SGVsbG8sIFdvcmxkIQ==
Decode Mode Example
Input:
SGVsbG8sIFdvcmxkIQ==
Output:
Hello, World!
Benefits of Base64 Encoding/Decoding
•
Generate data URIs for embedding images in CSS or HTML
•
Encode binary data for email attachments
•
Work with Base64 encoded API payloads and responses
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Guides & Resources
Learn how to use this tool effectively with our comprehensive guides and tutorials.
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Frequently Asked Questions
Find answers to common questions about this tool
What is Base64 encoding used for?
Base64 encoding is used to represent binary data in an ASCII string format, commonly for email attachments, data URIs, and API payloads.
Can I encode any text to Base64?
Yes. The tool can encode any text or binary data into a valid Base64 string format.
Can I decode any Base64 string?
Yes. The tool can decode any valid Base64 encoded string back to its original text or binary content.
Is this Base64 tool free?
Yes. You can use it online for free without signup.
How secure is the Base64 tool?
The tool processes all data locally in your browser, so your text never leaves your device.
Can I use Base64 Encoder & Decoder online for free?
Yes. You can use base64 encoder & decoder online for free with no signup or paid plan required.