Privacy and local tools

The photo and calculation tools run in your browser. Their tool code does not upload your selected image, entered document data or calculation results. Clear the page or reset the tool to discard the working copy; downloaded files remain on your device. This is different from publishing an article or uploading a community image: those submissions are sent to the site and may be reviewed or published. Accounts store the email address, display name and a password hash. Sign-in and security features use necessary session cookies; rate-limiting uses a keyed IP digest. Password-reset requests require email delivery through the configured mail provider. Administrators can review submissions, reports and moderation records. Third-party official links and any operator-enabled analytics, ads or fonts have their own data practices. Do not submit identity-document scans. Contact the operator about access, correction or deletion; the operator must publish its identity, retention schedule and applicable privacy notices before public launch.