The tool processes one image and downloads one preset at a time. It does not batch-export a ZIP. Keep the browser tab open, switch presets, review each crop, and download each approved version separately.
Start with a master that has breathing room
A useful cross-platform master is larger than the biggest planned output and leaves space around the subject. If text, products, or people touch every edge, there is no room to adapt the composition. Keep an untouched master file. Do not build the next platform version from the already-cropped Instagram or YouTube export.
Example master: 2400 x 3000 portrait
This 4:5 source already matches an Instagram portrait post. It can become a square, vertical cover, or landscape thumbnail, but each version asks a different question.
| Destination | Preset | Starting mode | What to inspect |
|---|---|---|---|
| Instagram portrait | 1080 x 1350 | Crop at 100% | Ratio already matches; confirm text and edges |
| Instagram square | 1080 x 1080 | Crop | Top and bottom are reduced; keep the focal point centered |
| TikTok cover | 1080 x 1920 | Fit or Blur | The 4:5 source is shorter than 9:16; protect the full subject |
| YouTube thumbnail | 1280 x 720 | Fit, then redesign if needed | A portrait source will occupy a narrow center area in 16:9 |
| Shopify product image | 2048 x 2048 | Fit | Keep the full product and use consistent catalog padding |
Export in order of composition difficulty
Begin with the ratio closest to the master, because it establishes the intended subject scale. Then create the square and vertical versions. Leave the opposite orientation for last. Turning a portrait master into a YouTube thumbnail may produce so much side space that a separate landscape design is better than any automatic crop. The goal is not to prove that one file can technically fit everywhere; the goal is to make each version communicate.
Use filenames that preserve the decision
The tool includes the preset and dimensions in the downloaded filename. Keep those labels. A folder containing launch-instagram-portrait-1080x1350.png and launch-youtube-thumbnail-1280x720.png is safer than five files named “final.” Do not overwrite the master or assume the most recent download is correct for every destination.
Cross-platform export sequence
- Upload the untouched master in the resizer.
- Choose the nearest-ratio preset and approve its Crop, Fit, or Blur result.
- Download that version, then select the next destination preset.
- Recenter and adjust mode for the new ratio; do not trust the previous crop automatically.
- Turn on the safe area for covers with text, faces, logos, or interface risk.
- Open all downloaded versions together and confirm that the subject scale and message remain intentional.
When to stop reusing the master
Create a separate design when the message depends on layout, not just photography. A landscape thumbnail with a face on one side and a headline on the other does not become a strong vertical cover by cropping. Likewise, a vertical tutorial cover with stacked text may not become a clean product-grid image. Reuse the photo or artwork, but rebuild the text placement for the destination.
Final multi-platform checklist
- Every output was created from the master, not from another export.
- The mode was reconsidered after each preset change.
- Faces, products, titles, and logos survive each ratio.
- Each filename identifies platform and dimensions.
- The versions were checked together at small display size.
Related guides
Use the safe area guide for text-heavy covers, the no-crop guide for products and screenshots, and the image size content center for platform-specific dimensions.
Create the first platform version