Photo Filters & Adjustments
Adjust brightness, contrast and saturation, or apply black & white, sepia, blur and sharpen to a photo — in your browser.
Result
How to use
- 1
Drop a photo (a sample is shown until you do).
- 2
Tap a quick look or move the sliders — the preview updates instantly.
- 3
Drag the line on the preview to compare with the original, then press Download for the full-resolution photo.
Questions
Will the downloaded photo be full size?
Yes. The preview is shown at a smaller size so the sliders stay smooth, but Download applies the same adjustments to the full-resolution photo.
How does sharpen work?
It uses a small “unsharp” convolution: every pixel is compared with its four neighbours and the difference is boosted, which makes edges look crisper. Use a little — too much adds halos and noise.
Is my photo uploaded anywhere?
No. The image is opened and processed on a canvas inside your browser. Nothing is sent to any server, so it works even offline once the page has loaded.
About this Photo Filters tool
Photo Filters & Adjustments — Adjust brightness, contrast and saturation, or apply black & white, sepia, blur and sharpen to a photo — in your browser. It is one of 200 free tools on namasivayam.in, made by software engineer Namasivayam Vadivelan for everyday use in India.
Everything is calculated instantly in your browser: nothing you type or upload is sent to any server, there is no sign-up, and it works on mobile and desktop. Drop a photo (a sample is shown until you do).
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Results are estimates to help you plan. They are not financial, tax or medical advice.