What is a Base64 Data URI?

A Data URI is a URI scheme that allows resource files (like images) to be embedded directly as inline text inside web pages and stylesheets.

Does Base64 increase file size?

Yes, Base64 representation is approximately 33% larger than raw binary data, making it best suited for small assets like icons.

Image Tools

Image to Base64

Convert images to Base64 strings for embedding.

100% Private & Client-Side Execution

All encoding and decoding operations run client-side. No strings or files are transmitted to external servers.

About Image to Base64

Image to Base64 provides a two-way conversion tool that encodes graphic files into inline Base64 data URIs for direct HTML/CSS embedding, or restores raw Base64 strings back into image previews.

How to Use Image to Base64

To Encode: Select the "Encode" tab and upload an image file. Copy the raw Base64, Data URI, or pre-formatted HTML tag.
To Decode: Select the "Decode" tab, paste your Base64 string or Data URI, and view the rendered preview.
Download decoded images directly to your computer.

Common Real-World Use Cases

Frontend Engineers: Inline small icons and SVG glyphs directly into CSS or HTML to eliminate extra HTTP requests.
Email Template Designers: Embed logos directly into self-contained HTML emails.
API Developers: Inspect and debug Base64 image payloads returned from REST and GraphQL endpoints.

Technical Specifications & Limitations

Supports PNG, JPEG, GIF, SVG, and WebP images up to 10 MB.

Frequently Asked Questions

What is a Base64 Data URI?: A Data URI is a URI scheme that allows resource files (like images) to be embedded directly as inline text inside web pages and stylesheets.
Does Base64 increase file size?: Yes, Base64 representation is approximately 33% larger than raw binary data, making it best suited for small assets like icons.