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Crop Image workspace

Crop canvas

This is the drag-to-crop canvas — not the Crop Image topic hub. Place the rectangle, pick a preset this tool actually ships, and download. Exact pixel fields, Instagram slot lists, and passport rules live on other URLs.

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Looking for format guides and spokes? crop image is the topic hub. This URL is only the crop box.

Written by Safaat Rahman Siham, Founder & Developer at Convertify4u. Last updated September 25, 2026. Contact us.

Crop canvas is Convertify4u’s on-device crop box. It exists so “drag the handles and export” has one URL, while /crop-image remains the cluster hub. This article is the control surface: freeform versus locked aspect, the five presets on the toolbar, and the fact that export keeps JPEG, PNG, or WebP. It is not a second crop-image guide and not the square, pixels, or Instagram spokes.

What this canvas actually does

Freeform versus a locked ratio

Freeform lets you pull any rectangle. The other four presets lock aspect so the box cannot skew. Switching a preset recenters a 90% box on the current image. That is a react-image-crop handle job, not a width×height form — numeric sizes are the pixels spoke.

The five presets on this toolbar

Freeform (no ratio). Square 1:1 labeled Instagram Post. Portrait 4:5 labeled Instagram Portrait. Landscape 16:9 labeled YouTube Thumbnail. Facebook Post at 1.91:1. This page does not add Stories 9:16, LinkedIn banners, or TikTok slots — those belong on the Instagram and social spoke.

Same container on download

JPEG stays JPEG, PNG stays PNG, WebP stays WebP. A second JPEG encode can add artifacts; graphics are safer as PNG. The crop discards pixels outside the box. It does not resize to a listed pixel pair and does not compress for a kilobyte cap.

Stills only in this dropzone

JPG, JPEG, PNG, and WebP. HEIC, BMP, TIFF, AVIF, and GIF sequences are convert-first or rasterize-first on other Convertify4u tools, then return here with a still the browser can paint.

Jobs this URL will not steal

Named ratio encyclopedia

4:3, 9:16, and other ratios beyond these five presets are documented on Crop Image to Square. Do not treat this canvas as that catalog.

Exact width and height

If a CMS lists 1080×1080 or 1920×1080, use Crop by Pixels (and Image Resizer if you still need scale after the box).

Passport and marketplace checklists

Headroom, chin, and SKU margins are spokes. This canvas will not measure millimeters or Amazon padding.

Crop on this page

  1. 1

    Drop a still the browser can decode

    Use the dropzone on this URL. HEIC and other convert-first formats must be rasters before the canvas can draw them.

  2. 2

    Drag the box and pick a preset if you need a lock

    Start freeform, or lock 1:1, 4:5, 16:9, or 1.91:1. Move the rectangle so the subject sits in the cut the destination will actually show.

  3. 3

    Download from this tab

    Export runs in the browser. Nothing is queued on a Convertify4u server. Scale or compress afterward only if a portal still asks for pixels or kilobytes.

Crop canvas questions

Hub and spokes stay on crop image.