Base64 ⇄ Image Converter Online Free
Convert images to Base64 data strings for HTML/CSS embedding, or decode Base64 strings into downloadable PNG/JPEG images. 100% private in-browser.
Drop any image here to encode to Base64
Supports PNG, JPG, SVG, WebP, GIF & ICO · Up to 50 MB
Processed locally in your browser. Never uploaded.
Instant In-Browser Base64 Encoding & Decoding for Web Developers
How to embed images directly in HTML, CSS, and email templates
In modern web development, reducing HTTP round-trips for small graphics (such as inline loaders, social icons, or email signature logos) improves initial page rendering speed and prevents broken image links in HTML emails.
Modifyle's Base64 converter provides instant bi-directional conversion. When encoding, it generates ready-to-paste snippets for Data URIs, standard HTML `<img>` elements, and CSS `background-image` declarations with one-click copy buttons.
When decoding, simply paste any Base64 string to immediately preview and download the reconstructed graphic file. Everything runs natively in your browser engine with zero server logging.
How It Works in 3 Simple Steps
Drop or Paste
Upload an image to encode, or paste a Base64 string to decode.
Instant Code Generation
Get Data URI, HTML img tag, CSS code, or live image preview.
Copy or Download
Copy code to clipboard or download the decoded image file.
Why choose Modifyle Base64 Image Encoder?
Launch PDF, image, and QR tools in 1 click right from your home screen or dock. 100% private, client-side, with instant offline access.