How it works
- 1Upload your imageChoose an image from your device. It stays in your browser.
- 2Choose your settingsAdjust the available options for the result you need.
- 3Compress and downloadProcess the file instantly and save the result.
Compress Image
Reduce image file size online while keeping the quality you need.
Processed in your browserFiles stay on your device.No sign-up requiredStart using the tool immediately.
Your files are processed locally in your browser and never uploaded.
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View all Image toolsWhy use OneTools
- Private by designYour image is processed locally and never uploaded.
- Fast and freeNo account, queue, or server upload is required.
- Works everywhereUse it on modern desktop and mobile browsers.
Frequently asked questions
Is this tool free?
Yes. This browser-based tool is free and does not require an account.
Are my images uploaded?
No. Processing happens locally in your browser.
Does quality change?
Lossy formats may change image quality depending on the selected setting.
Popular use cases
- Prepare images for websites and social media
- Reduce storage or sharing friction
- Create a compatible image format