File → Data URL
Convert files to Base64-encoded Data URLs. Image preview included. Pure client-side processing, files never leave your device.
Click to select a file or drag & drop here
Supports images, text, audio, and all file types
📖 How to Use
1. Select file: Click the upload zone or drag and drop a file. All file types supported.
2. Auto convert: Files are automatically converted to Base64 Data URLs. Images get a preview.
3. Copy & use: Use the Data URL in HTML img src attributes, CSS background-image, etc.
❓ Frequently Asked Questions
Do I need to install any software?
No. Data URL Converter is a web-based tool — just open it in your browser and start using it. No downloads, plugins, or extensions required.
Can I use Data URL Converter on my phone?
Yes. Data URL Converter is fully responsive and works on phones, tablets, and desktops. The interface adapts automatically to your screen size.
Are there any usage limits for Data URL Converter?
Data URL Converter has no usage limits — it's free and unlimited. Since processing is done client-side, speed depends on your device. For very large files, we recommend processing in batches for the best experience.
Is my data safe when using Data URL Converter?
Absolutely. Everything runs locally: Data URL Converter and other values are processed on your device, never sent to a server. No data is sent to any server, so there's zero risk of data leaks. Your information stays completely under your control.
Is Data URL Converter free to use?
Yes, Data URL Converter is completely free to use. No registration or login required — all features are available immediately.
Are converted files compatible with other software?
Yes. Converted files follow standard format specifications and are compatible with mainstream software and platforms.
Does this tool upload my file to a server?
No. This tool is 100% client-side — your file is converted to a Data URL entirely in your browser and never leaves your device.