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Rounded Corners Studio Pro

Round image corners with Apple squircle curvature, interactive canvas controls, borders & 300 DPI tags.

Choose Image to Round Corners

Supports JPG, PNG, WebP, AVIF & Apple HEIC (100% Private in Browser RAM)
Select Image File
Rounded Canvas Preview • 300 DPI
Curvature & Radius
Corner Geometry Mode
All Corners Radius 80px
Separate Individual Corners
Outline Border
Border Width 0px
Border Color
Shadow & Bounds Layout
Enable Soft Shadow
Expand Canvas for Shadow
Output Specifications
Format
File Size Limit

Corners Rounded Successfully!

Your image has been rendered with smooth curvature and verified 300 DPI tags.

Final Rounded Result Download Rounded File

The World's Best Online Rounded Corners Studio

Harsh Cyber Cafe's Rounded Corners Studio Pro applies curvature to photos, logos, cards, and banners. Toggle between standard circular arcs and modern Apple iOS squircle super-ellipses, control each corner's radius individually, apply decorative borders and drop shadows, and export with alpha transparency and verified 300 DPI tags.

Studio-Grade Capabilities

Apple iOS Squircles
Applies super-elliptical curvature for smooth, natural corner transitions without harsh line-to-arc joints.
Asymmetric 4-Corner Radii
Unlink corners to set custom curves on Top-Left, Top-Right, Bottom-Left, or Bottom-Right individually.
32-Bit Alpha Transparency
Retains transparent corner cutouts in PNG and WebP exports without jagged pixel artifacts.
100% Client-Side Privacy
All path clipping, shadow rendering, and format conversions happen locally in your device RAM with zero server uploads.

Frequently Asked Questions

What is the difference between standard rounded corners and a squircle?
Standard rounded corners use circular arcs that transition abruptly from straight lines to curves. An Apple iOS-style squircle uses continuous super-elliptical curvature for an organic, modern look without sharp corner joins.
Can I adjust individual corners independently?
Yes! Unlink the corners lock to customize Top-Left, Top-Right, Bottom-Left, and Bottom-Right radii individually to design modern banners, cards, or tab tabs.
Does the tool support transparent corner cutouts?
Yes! Exporting as PNG or WebP maintains true 32-bit alpha transparency in the cropped corner areas. If you export as JPG, you can choose a background matte color.
Can I add borders and soft drop shadows to the rounded image?
Yes. You can customize border outline width, color, and blur radius, as well as apply subtle drop shadows with variable opacity.
Are my images uploaded to any remote server?
No. All canvas clipping, mathematical squircle curve plotting, and compression execute 100% locally inside your browser memory (RAM) with total privacy.
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