Add effects to an image online — free
Apply brightness, contrast, saturation, blur, grayscale, sepia and more with live sliders. Stack effects, preview instantly, and download — no upload, no account.
How to add effects to an image
- Drag your image into the upload box, or click to browse — you can also paste an image URL.
- Adjust brightness, contrast, saturation, blur, sepia and more with the live sliders.
- Click Process — everything runs instantly in your browser, with nothing uploaded.
- Preview the result and download it — or send it straight to another JustGIF tool to keep editing.
Features
- Brightness, contrast, saturation, blur and more
- Live preview as you adjust
- Runs locally in your browser — your files never leave your device
- 100% free: no sign-up, no watermark, no file-count limit
- Works on any device — Windows, Mac, Linux, Android and iPhone
Frequently asked questions
Can I stack multiple effects?
Yes — combine adjustments like brightness and sepia and preview the result instantly.
Is Effects free to use?
Yes. Effects is completely free with no account, no watermark, and no limit on how many files you can process.
Do my files get uploaded to a server?
No. JustGIF processes everything locally in your browser, so your files stay private on your device and nothing is uploaded.
Does it work on my phone?
Yes — JustGIF runs in any modern browser, including Chrome and Safari on phones and tablets, with no app to install.