---
title: Estimate Pan Positions on a Magnified Canvas — Free
description: A fixed canvas can require many viewport positions when magnified. Estimate non-overlapping coverage to expose navigation burden, not to claim a reader will follow a perfect scan path.
category: accessibility
last_verified: 2026-09-27
freshness: green
published: 2026-09-27
canonical_url: https://gratis-ai.pages.dev/articles/magnified-canvas-pan-coverage.html
companion_app_url: https://gratis-ai.pages.dev/apps/magnified-canvas-pan-coverage.html
reading_time_minutes: 4
tags: accessibility, pan, local-first, planning, no-account
---

# Estimate Pan Positions on a Magnified Canvas — Free

A fixed canvas can require many viewport positions when magnified. Estimate non-overlapping coverage to expose navigation burden, not to claim a reader will follow a perfect scan path.

**Free and complete.** This guide is a standalone free tool — no account, no card, anywhere. The only paid option is one optional extra outcome: $4 one-time. Nothing in the free tier is gated.

## Who it's for

Anyone seeking practical 100% free AI workflows — no paid API keys, credit cards, or subscriptions

## What's free

- one complete viewport mosaic run in the app
- three samples plus unlimited article-demo runs
- unwatermarked result text and an explicit, user-triggered state link

## Optional paid add-on

**$4 one-time.**

- print the viewport mosaic with its row workings
- CSV of viewport positions and row explanations
- last five readings saved in this browser profile

## Sources & verification

- Tool: GratisAI local-first instrument (no key, no account)
- Primary source: the free tool itself (local-first, no external dependency)
- Last verification: 2026-09-27 (green)

## Use it

- Interactive guide: https://gratis-ai.pages.dev/articles/magnified-canvas-pan-coverage.html
- Companion app: https://gratis-ai.pages.dev/apps/magnified-canvas-pan-coverage.html
- This machine-readable mirror: /mirrors/magnified-canvas-pan-coverage.md

*Generated free at https://gratis-ai.pages.dev/articles/magnified-canvas-pan-coverage.html — every guide on GratisAI is a complete, working tool. $0, no account, no card, anywhere.*