🔗 Data URL Generator
🔒 Client-side — Your data never leaves your browser
✅ 100% Free — No signup, no limits
⚡ Instant — No server processing
📋 How to Use
- Select File — Click upload or drag a file onto the page
- Auto Encode — The tool generates a Base64 Data URL
- Copy & Use — Copy and paste into img src or CSS url()
📋 How to Use
- Select File — Click upload or drag a file onto the page
- Auto Encode — The tool generates a Base64 Data URL
- Copy & Use — Copy and paste into img src or CSS url()
Free Online Image to Base64 · Data URI Generator · Frontend Dev Essential · Client-Side Processing
📤 Upload File
Drag & drop a file here, or click to select
Supports images, text, CSS, JS, fonts, etc.
❓ Frequently Asked Questions
What is a Data URL?
A Data URL is a way to embed small files directly into HTML or CSS, formatted as data:[MIME type];base64,[encoded data]. It reduces HTTP requests and is great for small icons and images.
When should I use Data URLs?
Best for small images (<5KB), SVG icons, font files, etc. They reduce page HTTP requests and speed up loading of small assets. Not suitable for large files as they bloat HTML size.
Is it secure?
Completely secure. All file processing happens locally in your browser. Files are never uploaded to any server.
What file formats are supported?
All common image formats (PNG, JPG, GIF, SVG, WebP, BMP, ICO), plus text files, CSS, JS, and font files.
Is there a size limit?
No technical limit, but we recommend files under 100KB. Oversized Data URLs bloat HTML/CSS and hurt performance.