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- Private: files never leave your device
- Free, no sign-up
- Fast, works offline once loaded
How to use Darken Image
- Drop your picture into the box.
- Raise Darkness for a moodier picture, or add a dark overlay to make white text easier to read.
- Download the picture, or all of them as a ZIP.
About this tool
Darken photos that are too bright or add a semi-transparent dark layer behind text. A subtle overlay (20 to 50 percent) is the classic trick for readable headings on hero images and banners.
You can also tint the overlay with any color.
Frequently asked questions
How do I darken an image?
Raise the Darkness slider and download.
How do I make text readable on a photo?
Use the dark overlay at 30 to 50 percent.
Can I tint the dark layer?
Yes. Choose any color for the overlay.
Is Darken Image really free?
Yes. You can use Darken Image as often as you like with no sign-up, no watermark and no daily limit.
Are my images uploaded to a server?
No. Darken Image runs entirely in your web browser, so your files stay on your own device and are never sent to DEWANARO or anyone else.