Crop images before you post

Crop your images inside PostFast so they fit each network, with no separate editor needed. Cropping happens in your browser, and the cropped version is sent with the post when you publish.

Where to find the crop tool

Add an image to a post, or open a post or draft that already has one. In the Image/Video area, hover over an image thumbnail and click the crop icon. On mobile the buttons are always visible. Cropping is for images only: you won't see a crop button on videos or GIFs.

Crop an image

1. Click the crop icon on the image thumbnail.
2. Pick an aspect ratio from the bar at the top, or choose Free to crop to any shape.
3. Drag inside the box to move it, and drag a corner to resize it. With a locked ratio the box keeps that shape. With Free you can size it any way.
4. Click Apply to keep the crop, or Cancel to discard it. Reset puts the box back to its starting position.

The thumbnail updates to your cropped version right away. The cropped image uploads when you publish or schedule the post.

Pick the right aspect ratio

The ratio bar adapts to the accounts you've selected:

• No account selected: you'll see common ratios: Square (1:1), Portrait (4:5), Wide (1.91:1), Landscape (16:9), and Story (9:16).
• One account selected: you'll see that platform's recommended sizes, with the best one marked Best. Instagram, for example, shows Portrait (4:5, marked Best), Square (1:1), and Story (9:16).
• Free is always available if you'd rather crop to a custom shape.

For exact pixel dimensions and file-size limits for every network, see postfa.st/sizes, which is always the source of truth.

Crop for multiple platforms

When you select several accounts, the ratio bar combines all the sizes those platforms use, with no duplicates. Each ratio shows small platform icons telling you which networks favor it, so a Square option might show the Instagram, Facebook, and TikTok icons while Wide shows just LinkedIn and Facebook.

One crop is shared by every selected account unless you choose to use different media per account (see below). Pick the ratio that works best across the platforms you're posting to, or crop per account for a perfect fit on each.

Crop a different image for each account

To give one account its own crop:

1. Click the account above the post text to edit just that account.
2. Turn on Use different media for this account.
3. Crop that account's image however you like.

Each account's crop is independent. Cropping one account's image never changes another account's image or your shared base image. The preview on the right shows each account exactly the image it will post, so you can confirm every crop before publishing.

Crop an image that's already in a post or draft

You can crop images in posts and drafts you've already created, not just brand-new uploads:

1. Open a scheduled post or draft and find its image in the Image/Video area.
2. Click the crop icon. PostFast loads the full image so you can crop it.
3. Crop, click Apply, then save the post or draft.

Saving replaces that image with your cropped version. This works the same in scheduled posts, drafts, and per-account media.

Re-cropping is non-destructive

PostFast always keeps your full, original image, so:

• You can re-crop as many times as you want without losing quality. Each crop starts from the original, not from your previous crop.
• When you reopen the crop tool, it remembers the ratio and position you used last, so you can fine-tune instead of starting over.
• Switch from one ratio to another at any time and you'll always be working from the full image.

Which files you can crop

You can crop JPEG, PNG, and WebP images. GIFs and videos can't be cropped, so they don't show a crop button. Your cropped image keeps its original format, so PNGs keep their transparency.

Image quality

Crops are made at your image's native resolution, so there's no upscaling or blurriness from the crop itself. Send a sharp, well-sized image and the crop preserves it. Every network re-compresses uploads on its end, so cropping to the recommended size beforehand gives you the best-looking result.

Frequently asked questions

Why does the preview still show my old image?

Make sure you clicked Apply. Cancel discards the crop. If you're cropping for a specific account, check that Use different media for this account is turned on and that you're viewing that account's preview.

Can I crop after I've already scheduled a post?

Yes. Open the scheduled post or draft, crop its image, and save. The cropped version replaces the original.

Why don't I see a crop button on this item?

Cropping is available for images only. Videos and GIFs don't show a crop button.

Will cropping lower my image quality?

No. The crop is done at full resolution with no upscaling, and the original format is preserved. Networks compress uploads regardless, so a correctly-sized crop actually looks better after publishing.

Does my image get sent anywhere while I crop?

Cropping happens in your browser. For brand-new uploads, only the final cropped image is uploaded when you publish. For images already in a post, the cropped version replaces the original when you save.

Can each platform have its own crop?

Yes. Turn on Use different media for this account for any account and crop that account's image independently. Crops never bleed between accounts.

Related

• Schedule a post to multiple platforms
• Post an Instagram carousel
• Why did my post fail?