Terms of use

Effective November7,2026. Planalta is a local tool for correcting perspective in photographs of flat artwork.

Your work and backups

Use images you are entitled to copy and modify. You choose sources, corners, proportions, outputs and sharing recipients. Keep independent originals and backups. Inspect all files before publishing, printing or relying on measurements.

Scope

Projective correction assumes a flat subject. Edge estimates are approximate. Working images are limited to4096px and converted to sRGB; output may upscale the selection. The app does not provide lens correction, curved-page flattening, OCR, color calibration, archival color preservation or measurement certification. Supported files and storage limits are on the support page.

Purchase

The Android edition is planned as one paid-upfront Google Play purchase with no subscription or in-app purchases. Google Play controls payment, regional availability and refunds. Android and iPhone/iPad editions are separate purchases. Contact maga40@naver.com for reproducible product issues.