thaitools.techPractical tools for life in Thailand
English interface

Image cropper

Crop JPG, PNG or WebP locally using explicit pixel bounds.

ReviewedGeneral utilityLocal files · Type, size and memory limits
Saves this tool's name on this device only (up to 20). No form values.
Only visible result text is included. Form fields are not read. Review sensitive values before sharing.

Files stay in this browser. Limits: images 20 MiB each and 40 million output pixels; PDFs 30 MiB each, merge 60 MiB/100 pages, split 100 pages, text 50 pages. Protected or complex files may fail.

How to use it

  1. Choose the supported file type, count and size for the image cropper.
  2. Crop JPG, PNG or WebP locally using explicit pixel bounds.
  3. Inspect the locally generated result and download it before leaving the page.

Important limitation

Files remain on the device. Complex, protected, malformed or very large files may fail within the documented limits.

The interactive form is fully localized in English.

Reviewed 2026-09-18; next review 2027-03-18.

Core calculations, cited sources and main examples have been reviewed within the stated scope.

Sources

HTML Standard — CanvasWHATWG · opens in a new tabSupports only the displayed file types and limits, processed in the browser.Source checked 2026-09-18
Recorded updates

Review history

Site changelog

Dates describe the review scope recorded below. A page update does not mean every source was checked again.

  1. Last recorded source/method review

    Core calculations, cited sources and main examples have been reviewed within the stated scope.

Related guides

Prepare images and PDFs locally before sharingUnderstand the meaning, scope and sources before using the result.

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