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Boltpic

Image Cropper

Upload an image, select just the part you need, and crop it quickly. Cropping, rotating, and straightening all happen in your browser, so you can download the result you want right away.

Select exactly the area you want

Drag to select the area to crop and fine-tune its size and position with the handles. The area outside your selection is dimmed so you can easily preview the final result.

Select exactly the area you want

Crop to any ratio and fix the angle

Lock a ratio like 1:1, 16:9, or 4:3 to crop your image. Combine 90° rotation with fine angle adjustment to cleanly straighten tilted photos or document scans.

Crop to any ratio and fix the angle

Frequently asked questions

Do I need to upload an image to crop it?

Yes, you first need to upload the image you want to crop. Once you upload an image, you can select the crop area right on screen and save just that area as a new image. You can drop an image with drag and drop, or click the upload area to choose a file. After cropping, it's better to download the cropped result as a separate image rather than modifying the original directly.

Which formats can I crop?

You can crop images in the most common formats — JPG, JPEG, PNG, and WebP. Upload photos, screenshots, document captures, design mockups, web images, and more to crop out just the area you need. That said, the exact supported formats can vary by implementation, so if you have an unsupported file, it helps to convert it to PNG or JPG and upload it again.

Can I lock the aspect ratio?

Yes, you can crop with a locked ratio like 1:1, 16:9, or 4:3. With the ratio locked, the width-to-height proportion stays the same even as you adjust the crop area, making it easy to produce images that fit a set spec. For example, you might use 1:1 for profile images, 16:9 for YouTube thumbnails, and 4:3 for regular photos or card images.

Can I rotate the image or straighten it?

Yes, you can rotate the image in 90° steps or straighten it with fine angle adjustment. It's useful when a photo taken on a phone is oriented the wrong way, or when a scanned document is slightly tilted. With the straighten feature, you can line up reference elements in the photo — like a building, a desk, or document lines — so they sit more level.

Is the original image kept intact?

Yes. A typical image crop tool doesn't modify the original file directly; it works by letting you download the cropped result as a new file. So your original image stays on your device, and only the edited image is saved separately. Adding a label like cropped to the download filename makes it easy to tell the original and the result apart.

Are images uploaded to a server?

Image cropping is processed in your browser, and the images you upload are not stored on any server. Sensitive images — like personal photos, parts of an ID, document captures, or work screens — can also be used with more peace of mind, since all processing happens on your device.

Is the quality of the cropped image preserved?

Cropping simply cuts out the selected area, so as long as you don't enlarge beyond the original, the quality stays fairly natural. That said, the file size and quality of the result can vary with the save format and compression. Saving as JPG can reduce the file size but may cause slight quality loss from compression, while PNG stays sharp but can have a larger file size.

Can I crop images on mobile?

Yes, you can upload and crop images in mobile browsers too. Select a photo or screenshot saved on your phone, then adjust the crop area with your finger. That said, if you need very precise positioning, working with a mouse on a desktop can be more comfortable.