Contrast: frequently asked questions
Straight answers to the questions people ask most about Adjust Contrast.
Is Contrast really free?
Yes. There is no paywall, no trial, no watermark, and no usage cap. Open Adjust Contrast and use it as often as you like.
Does Contrast upload my files?
No. Everything runs locally in your browser. Your image files never leave your device, so there is nothing to leak or delete later.
Do I need to install anything?
No installation, no plugins, no extensions. If you have a current browser, you already have everything you need.
Is there a limit on file size or how much I can do?
The tool accepts JPEG, PNG, WEBP, AVIF and handles up to 50 MB. There is no daily limit on how many jobs you can process.
Does Contrast work on my phone?
Yes. The tool adapts to any screen, so it works on phones, tablets, laptops, and desktops.
Verdict
If you were unsure about adjust contrast, now you know: free, private, unlimited, and cross-device. Start at Adjust Contrast.