Free App Store screenshot resizer
Choose a supported upload size, preview crop or padding, and download an opaque image. Free, no signup, and your image stays in this browser.
Choose dimensions and preview
Free, no account. One file at a time, up to 20 MB and 32 megapixels. All image processing stays in this browser. Your original file is unchanged.
Color appearance can change when converting color profiles. Review the downloaded file. Check all requirements in the screenshot size checker.
Resize without stretching your interface
Choose Keep whole image to add padding, or Center crop to fill the canvas. Both preserve the proportions of your app screen. Review all edges before creating the download. Enlarging a small image cannot recover missing detail.
How to use this tool
- Select a screenshot from your device. Corrupt, animated or oversized files are rejected.
- Choose the target size and placement, then review the exact output preview.
- Confirm the preview and create an RGB PNG or JPEG download.
- Open the downloaded file and run it through the screenshot size checker for the selected store slot.
What this tool does not check
It does not certify app content, required screenshot counts, complete device coverage or store approval. Color appearance can change when converting image profiles. Keep your original and review the result. The available target sizes use Skir's 2026-09-10 rule version. A device not listed in the selector is outside the resizer's coverage.
Use Apple's screenshot specifications as the primary source for accepted upload slots. The screenshot troubleshooting guide explains common file issues.
Frequently asked questions
Is this free without an account?
Yes. This file utility runs locally and requires no signup. Creating and saving an editable Skir project is a separate workflow with a free account.
Does it upload or replace my original?
No. Files are processed in your browser and the download is a new copy. Your original is unchanged.
Does a verified download guarantee approval?
No. Verification checks output dimensions, format and absence of alpha. You still need to check app content, visual appearance and store requirements.
Will the image stretch?
The contain and center-crop modes preserve proportions. Contain adds padding; crop can remove content. Neither creates detail missing from a low-resolution image.
Need to change the design too?
Choose an editable screenshot template, replace the app capture and adjust the headline and layout. Skir Free includes one app and the first three exports per set, with no watermark. Additional exports require paid access.