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Base64 Encode

Encode text to Base64 for APIs, tokens, and data URLs.

Step 1

Paste input

Add your content in the input editor.

Step 2

Run tool

Process instantly with in-browser logic.

Step 3

Copy output

Export clean results to your project.

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⚡ Runs instantly in your browser. No files are uploaded.

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Output

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Learn more about this topic:

Base64 Encoding Explained (With Examples)

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About Base64 Encode

Base64 encoding converts binary data into a string of 64 printable ASCII characters, making it safe to embed in contexts that cannot handle raw bytes: JSON payloads, HTML data URIs, HTTP Authorization headers, and MIME email attachments. This encoder accepts plain text or any bin...

→ Encode a small PNG or SVG to embed as a data URI directly in CSS or an HTML img src attribute. → Generate the Base64 value for an HTTP Basic Authorization header from a username and password. → Encode a binary certificate or key file as Base64 before storing it in an environment variable. → Prepare a binary file payload as Base64 for a REST API endpoint that expects encoded content.

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📦 Supported formats 2 file types

Text Binary files

❓ Frequently asked questions 3 answers

Base64 encodes binary data as ASCII text using 64 printable characters. It's widely used to embed binary data in JSON, HTML, and email formats.

No. Base64 is an encoding scheme, not encryption. Anyone can decode a Base64 string. Do not use it to protect sensitive data.

Yes. You can upload any binary file (image, PDF, etc.) and it will be encoded to a Base64 string.