Resize an image to 3000 × 3000
The square cover size music distributors and podcast directories ask for, made on your device.
- Nothing is uploaded
- Works offline after first visit
- Open source
- No watermark · limit is your device’s memory; phones hold less
Make a square 3000×3000 cover for Spotify, DistroKid, Apple Music or Apple Podcasts: crop to fill or add bars, high-quality JPG. It is free, needs no account and adds no watermark, and your files are not uploaded: everything runs in your browser on your device. The size limit is your device’s memory, and phones hold less; give the page a short while after one visit to save itself for offline use, and then it works offline.
Done
Open the network tab. Your files never appear in it.
Add files and run the tool to see every request this tab makes.
Your files are processed on this device and never sent to a server. Reload the page to clear everything from memory.
3000 by 3000 pixels is the cover size music distributors such as DistroKid, TuneCore and CD Baby recommend, and the top of the range Apple Podcasts accepts for show artwork. Uploads are rejected if the picture is not square or is below the minimum size.
This page makes any picture exactly 3000 × 3000. A photo that is not square is cropped at the centre by default; switch to Fit inside to keep the whole picture with bars above and below, or on the sides. It saves a JPG at quality 92, sharp enough for any store and usually only 1 to 3 MB. The file is written fresh, so no camera or location data rides along.
If your artwork started much smaller than 3000 pixels, it has to be enlarged, and plain enlarging looks soft. Run it through the AI image upscaler first, then bring it here for the exact square; the result card warns you when an enlargement is large.
Store reviewers also reject covers for things this page cannot fix: blurry or pixelated art, social media handles, website addresses, prices or someone else’s logo on the image. Check the design against your distributor’s artwork rules before the release date, since a rejected cover can hold back the whole release.
How it works
- Drop the artwork.
- Keep Crop to fill, or choose Fit inside to add bars.
- Press Resize to 3000×3000 and upload the JPG.
In your browser, not on a server
Resizing uses stepped downscaling on a canvas so text and edges stay sharp, and the browser encodes the result at the quality you choose. Everything happens in memory in your tab. Large batches are processed one image at a time so the page stays responsive on a phone.
Compared with upload-based tools: Image compressors that upload your photos limit you to a few files, a small size, or a watermark until you pay. This one has no counter to reset because there is no server to keep one.
Verify it yourself. Give the page a short while after one visit to save itself for offline use, then turn off Wi-Fi or switch to airplane mode and run the tool again. Or open your browser's developer tools (F12, or Cmd-Option-I on a Mac), pick the Network tab, and watch it while you convert. The panel above does the same count for you.
Questions
Should the cover be JPG or PNG?
Distributors accept both, and JPG at quality 92 is visually the same at a fraction of the size. PNG makes sense only for flat graphic art with large areas of one colour.
What about 1400 × 1400 for podcasts?
Apple Podcasts accepts square art from 1400 to 3000 pixels. Change the width and height to 1400 if you want the smaller file; 3000 looks sharper on large screens.
My artwork is RGB. Do stores need CMYK?
No. Streaming stores and podcast apps show covers on screens and expect RGB, which is what this page saves. CMYK is only for printing physical CDs or vinyl sleeves, and the pressing plant will tell you its exact file requirements.
Will cropping cut off my title text?
It can if the text is near the edges of a non-square picture. Choose Fit inside to keep everything, or crop the picture yourself with the crop tool’s square shape and then resize it here.
Is the file uploaded anywhere?
No. There is no server in this process. The page is a static file and the work is done by code running inside your browser tab. Give the page a short while after one visit to save itself for offline use; then you can turn off Wi-Fi and it still works.
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Guides
- How to reduce an image's file sizeTwo settings do almost all the work. Here are the numbers to use for email, forms, listings and websites.
- Is FreeConvert safe?FreeConvert is a legitimate service with a clear deletion policy. Whether it is safe for a particular file depends on whether that file should be uploaded anywhere.
- Is ezgif safe?Ezgif is a legitimate, popular GIF tool with a short deletion window. The file you are about to drop in decides whether uploading it is fine.
- Is Zamzar safe?Zamzar is one of the oldest online converters. Its storage window is longer than most, which is the detail worth knowing.
- A free Zamzar alternative with no daily limitZamzar's free service limits how many files you can convert and how big each can be. Here is an alternative with no such cap.