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Base64 Encoder & Decoder — Free Online

Encode Text and Files to Base64, Decode Instantly

Encode text, HTML, XML, or files to Base64 format. Decode Base64 strings back to readable text or files. Essential tool for developers working with APIs, data URIs, and authentication tokens.

⚡
Instant
Seconds to process
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Secure
Files never stored
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100% Free
No account needed
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How to Use Base64 Encoder

1

Choose Encode or Decode mode

2

Paste text or upload a file

3

Click Convert

4

Copy the Base64 output

Frequently Asked Questions

Base64 is used to encode binary data (like images or files) as text for safe transmission in emails, APIs, JSON, and HTML data URIs.
Yes! Upload an image and get its Base64 data URI that can be embedded directly in HTML or CSS.
No. Base64 is encoding, not encryption. It can be decoded by anyone. Do not use it to secure sensitive data.

Learn More

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How to Encode and Decode Base64 Online (Free) — And Why It Isn't Encryption
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