Image to Base64 Online - Free & Local

Click or drag an image here

Large images are scaled and compressed before encoding to reduce Base64 size

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Image to Base64 is a free ComTools utility that encode image to base64. Data is processed locally in your browser; nothing is uploaded.

Free to use
No signup required
Local processing
Data is processed locally in your browser; nothing is uploaded.
Bilingual UI
Chinese and English supported
Developer friendly
Encode image to Base64

QIs my data uploaded?

Data is processed locally in your browser; nothing is uploaded.

QIs it free?

Yes, completely free with no usage limits.

QWhich browsers are supported?

Modern browsers: Chrome, Edge, Firefox, Safari.

QHow to report issues?

Use the Messages page for feedback or custom requests.