Change Image Opacity
Make an image semi-transparent — great for overlays and watermarks.
- Processed locally — your files never leave your device
- Free, no sign-up
- No file limits
How to use Change Image Opacity
- 1
Drop one or more images (JPG, PNG, WebP, HEIC…).
- 2
Adjust the “Change Image Opacity” settings — the preview updates live.
- 3
Download each image or all of them as a ZIP.
Features
- Any levelFrom barely visible to fully opaque.
- Batch friendlyApply the same edit to many images at once.
- PrivateImages are edited in your browser and never uploaded.
Frequently asked questions
Why PNG?
Transparency needs an alpha channel; JPG doesn't have one.
Do iPhone photos work?
Yes, HEIC photos are converted automatically and shown upright.
Is there a watermark or limit?
No watermark, no sign-up and no limits.