Best Free Gantt Chart Maker On The Web

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Most Gantt tools want a signup, a plan choice and a team invite before you can drag a single bar. This one opens to a blank chart and gets out of the way.
Everything works without an account. Build the whole chart, keep it in the browser, export it. Nothing is held back behind a login, and nothing expires.
Planning behaves like planning. Drag a bar to move it, drag its edge to stretch it. Link tasks with four dependency types, add lag or lead, group tasks into phases and drag a phase as one block. Milestones, events, progress percentages, task colors, undo and redo, and a revision history that snapshots every five minutes.
The chart comes with you. Export to PNG, JPG, SVG, PDF, Excel, CSV, MS Project XML or TaskJuggler. Print it on one sheet, or tile it across a wall as a poster with cut marks.
A free account adds the team parts. Cloud sync across devices, share links with view or edit access, and live collaboration where you watch teammates' cursors move. Concurrent edits merge instead of overwriting each other.
Your charts also answer to Claude. A hosted MCP server connects the app to Claude, Claude Code and any other MCP client. Ask for a chart and it gets built. Ask for the critical chain and the analysis comes back: the longest resource-constrained path through the plan, so you know which slip actually moves the end date. Sixteen tools cover creating, editing, linking, sharing and exporting, all by conversation.
Runs in 8 languages, installs as an app, works offline, and syncs when you reconnect. No ads, and no analytics on your chart content.
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