
About
Easily round the corners of your photos with intuitive slider controls. Adjust corner radius, aspect ratio, and even select individual corners to round. Save high-quality images directly to your camera roll.
What's New in marume
1.0.2
September 16, 2026
いつもご利用いただきありがとうございます。最新バージョンの更新内容は以下の通りです。 ・最適な比率「9:16」および「16:9」を追加 ・加工した写真をクリップボードにコピーできる機能を追加 ・加工した写真の「共有」機能を追加 ・メニュー画面を新設し、トップ画面の使い心地とアニメーションを改善 ・その他、軽微な動作の安定性向上 今後とも「marume」をよろしくお願いいたします。
MoreUser reviews
Developer apps
FAQ
Does marume have ads?
No, marume is completely free and does not contain advertisements.
What devices does marume support?
marume is currently supported on iPhone devices.
How do I adjust the corner rounding in marume?
You can adjust the corner rounding by using an intuitive slider. This allows you to see the changes in real-time as you modify the radius.
Can I choose which corners to round in marume?
Yes, marume allows you to individually specify which of the four corners you want to round by simply turning them ON or OFF.
What aspect ratios can I use with marume?
marume supports changing the aspect ratio of your photos, including common options like 1:1 (square), 4:3, and 3:4, allowing you to crop to your desired dimensions.
Is marume suitable for professional design work?
marume is designed for quick and simple photo corner rounding, making it ideal for social media profiles and presentations rather than complex professional design projects.
How often is marume updated?
The latest version of marume is 1.0.1, and it was last updated on July 23, 2026. Future updates will likely continue to improve functionality and user experience.
What is the age rating for marume?
marume has an age rating of 4+, making it suitable for a wide range of users.



