QuickFileKit
Local processing
Your files and converted content remain inside your browser.
Image to Base64
Image to Base64 directly on your device. Your content never leaves the browser.
Image → Base64Up to 40 MB per file · processing stays on this device
Choose an image to encode
The complete Data URL is generated locally.
Your files stay on your device.Private by design — this tool processes files locally in your browser.
Found a problem or have an idea?
Send a short report and receive a tracking code. Do not include passwords, private files, or personal information.
01
How to use it
- Choose an image from your device.
- Wait for the browser to generate its Base64 Data URL.
- Copy the result or download it as a text file.
02
Why use this tool?
Real output
Displayed sizes are measured from the files your browser actually created.
Straightforward
No account, software installation, or external API is required.
04
Frequently asked questions
Does Image to Base64 upload my files?
No. Reading, conversion, and file generation all happen locally in your browser.
Is there a file-size limit?
Each source image is limited to 40 MB to reduce the risk of exhausting browser memory.
Will image quality change?
JPEG and WebP can use lossy compression; adjust the quality control before converting.