File to Base64 Converter
Upload any file to instantly convert it to a Base64-encoded string.
Convert Any File to Base64
ToolZilla's File to Base64 Converter makes it easy to encode any file into a Base64 string. Whether you're embedding files in HTML, debugging an API, or storing images in JSON, this tool helps you do it quickly and securely.
Use Cases
Developers
Embed images, videos, or documents into code or HTML.
Web Designers
Add Base64 image strings into CSS or HTML without extra hosting.
API Testing
Convert files to Base64 for testing file uploads in REST APIs.
Form Submissions
Send encoded file data via POST requests or JSON payloads.
Features
- Supports all file types (image, video, audio, document)
- Works directly in the browser — no upload
- Preview images and videos instantly
- One-click Base64 copy
FAQs
Q: Is my file uploaded to a server?
A: No. All processing happens in your browser. Nothing is uploaded or stored.
Q: What file types are supported?
A: You can convert any file — image (PNG, JPG), video (MP4), audio (MP3), document (PDF, DOCX), and more.
Q: Can I use this on mobile?
A: Yes, the tool works perfectly on phones and tablets.