How to convert an image to Base64
- Select or drag a local image file.
- The browser converts the image to Base64 instantly.
- Copy raw Base64, copy a data URL, or use one of the generated code snippets.
Image to Base64 Converter Online
Convert images to Base64 online. Encode PNG, JPG, JPEG, GIF, BMP, TIFF and SVG files into raw Base64, Data URLs, HTML image tags and CSS snippets.
Allowed image types: JPG, JPEG, PNG, GIF, BMP, TIFF, SVG - Max size: 10Mb.
All conversions happen locally in your browser. Files never leave your device.
No encoded image yet Select an image to generate Base64, Data URL and ready-to-copy code snippets.
100% Private
All conversions happen locally in your browser.
Super Fast
Instant conversion with zero waiting time.
Secure
Your data never leaves your device.
Developer Friendly
Perfect for developers, designers and testers.
Image to Base64 Converter Guide
Image to Base64 converts an uploaded image into plain Base64 text and a ready-to-use data URL. This is useful for developers who need to embed small icons, test API payloads, generate HTML and CSS examples, or copy image data into JSON without uploading files to a server.
The tool supports PNG to Base64, JPG to Base64, JPEG to Base64, GIF to Base64, SVG to Base64, BMP to Base64 and TIFF to Base64. After upload, you can copy raw Base64, a complete data URL, or ready-to-use snippets for HTML, CSS, Markdown, JavaScript, JSON, React and Vue.
For production websites, use Base64 mainly for small assets such as icons and placeholders. Large images usually perform better as compressed image files because browsers can cache them separately.
When to use Base64 images
- Embedding small icons in HTML, CSS or JSON.
- Testing API requests that require image data.
- Creating email or documentation examples.
- Debugging data URLs and image payloads.
Image to Base64 FAQ
Is my image uploaded?
No. The image is converted locally in your browser and is not uploaded to a server for processing.
Can I convert PNG to Base64?
Yes. You can upload a PNG image and copy the generated raw Base64 string or complete data URL.
Can I convert JPG or JPEG to Base64?
Yes. JPG and JPEG files are supported, along with GIF, BMP, TIFF and SVG images.
Can I use the output in HTML or CSS?
Yes. The tool generates HTML image tags and CSS background-image snippets using the Base64 data URL.
Should I use Base64 for large images?
Usually no. Base64 is best for small assets because it increases file size and large images are better served as normal compressed files.
PDF workflow
Image and PDF workflows
Move between image converters and PDF tools without leaving the toolkit.
Raw byte workflow
Convert bytes to image
Received image bytes instead of an image file?
Use Bytes to Image to reconstruct and preview byte arrays first. You can then download the image and convert it to Base64 with this page.