Rounded Corners
Add smooth rounded corners to any image and export a transparent PNG, with an adjustable corner radius. Client-side only.
How it works
- 1
Add your images
Drag and drop, paste, or browse. Nothing is uploaded — files are read directly in your browser.
- 2
Choose your options
Set the options for Rounded Corners and preview the result before you export.
- 3
Process on your device
Rounded Corners runs locally on a Canvas, so even large batches are handled quickly and privately.
- 4
Download
Save a single file, or grab everything at once as a ZIP.
Common uses
- Round an avatar or thumbnail to composite cleanly on any background.
- Soften a screenshot's corners for a polished doc or slide.
- Export a rounded PNG for a card UI mockup.
About the Rounded Corners
Add smooth rounded corners to any image and export a transparent PNG, with an adjustable corner radius. Client-side only.
Rounded Corners is part of a free, privacy-first toolkit. Everything is processed locally on a Canvas with high-quality pica resampling — there are no uploads, no quality loss from a server round-trip, and no limits.
Because rounded corners works without any sign-up or installation, you can use it as often as you like and it's always available — on desktop or mobile, and even offline.
Explore more image tools, or try Image Resizer · Batch Image Resizer.
Related tools
Rounded Corners — FAQ
PNG, so the rounded corners stay transparent and composite cleanly over any background.