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Base64 Encoder & Decoder — Free Online

Encode Text and Files to Base64, Decode Instantly

⚡ Done in seconds🔒 Encrypted HTTPS connection🆓 Free, no account needed

Guide

About Base64 Encoder

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.

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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Base64 Encoding Explained: Why Your File Just Got 33% Bigger
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Best Free Developer Tools Online — JSON, Base64, UUID & More
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How to Encode and Decode Base64 Online (Free) — And Why It Isn't Encryption
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