File to Base64 encodes any file type with the FileReader API and shows both the Data URL and raw Base64 output.
File to Base64
File to Base64 Free
Upload or drag any file and get a full Data URL or raw Base64 string - free and local.
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What is this?
How it works
1. Drag and drop or choose any file.
2. Review name, MIME, original size, and Base64 size.
3. Switch between Full Data URL and Base64 only.
4. Copy or download as TXT.
Features
- Any file type
- Drag and drop
- Data URL and raw tabs
- Copy buttons
- TXT download
Benefits
Embed files in CSS, HTML, JSON, or APIs without a server round-trip.
Trust & privacy
Files are read locally with FileReader and never uploaded.
Frequently asked questions
No accept filter - any file your browser can read works.
Base64 expands binary data by about 33%.
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