Crop ratio calculator
ClientPlan center crops for 16:9 or 1:1 exports.
Crop dimensions for target aspect ratio.
About Crop ratio calculator
Crop dimensions for target aspect ratio. The interactive transform on this page runs in your browser tab—Toolcore does not need your paste for the core operation described above.
How to use this page
Paste or type in the main workspace, run the primary action from the toolbar, then copy or download the result. Use Load example when the page offers it, or URL prefill (?q= / ?qb=) so agents and tickets open the same input.
Common use cases
- Crop ratio calculator for quick local checks without uploading data.
- Copy results into tickets, docs, or classroom notes.
Common mistakes to avoid
Unexpected input shape
See the intro and how-to notes for accepted formats.
FAQ
Is processing local?
Yes—this runs entirely in your browser.
Agent prefill?
Open the page directly—multi-field or file inputs are not URL-prefilled.
More tools
Related utilities you can open in another tab—mostly client-side.
Image crop
ClientCrop a region by pixel coordinates and export PNG, JPEG, or WebP—local canvas only.
Aspect ratio calculator
ClientReduce width:height to smallest integers and preview scaled dimensions—local layout math.
Video letterbox bars
ClientPillar/letterbox pixels for aspect fit.
Image resize
ClientMax width or height, keep aspect ratio, export WebP/JPEG/PNG—local only.