Perspective Correction Online
Straighten a document photographed at an angle by adjusting its corners. Export a corrected image for reading or OCR preparation.
Local browser processing
No registration
No image selected
Choose or drag an image, then process it to preview the result.
Supported inputs, outputs, and browsers
- Supported input
- Device camera, JPG/JPEG, PNG, WebP, SVG
- Output
- Processed image, PDF where the selected scanner workflow provides it
- Browser compatibility
- Use a current version of Chrome, Edge, Firefox, or Safari with JavaScript, File API, Canvas, and downloads enabled. Available memory and browser format support can limit very large files.
How to use Perspective Correction
- 1.Position each corner on the actual page boundary and check that rectangular tables look rectangular after correction.
- 2.Run the operation with the displayed controls, then open and review the result before sharing it.
Limitations
- Perspective correction cannot fully undo curved book pages, blur, or content hidden outside the photograph.
Privacy and processing
Local browser processing
The input content never leaves your device. Processing happens inside your browser, with no file or text upload to an external processing server. No registration is required, so the content-processing step is private to your device.
Frequently asked questions
What should I know before using Perspective Correction?
Perspective correction cannot fully undo curved book pages, blur, or content hidden outside the photograph.
Where is my input processed?
The input content never leaves your device. Processing happens inside your browser, with no file or text upload to an external processing server. No registration is required, so the content-processing step is private to your device.