Gantt Chart Maker — The Best Free Online Gantt Chart Tool
Free forever. No signup. No account. No subscription. No email. No ads. No tracking. Your data stays in your browser.
Gantt Chart Maker is the best free Gantt chart maker on the web — a browser-based tool for creating professional Gantt charts with no signup of any kind. Build project timelines with tasks, milestones, groups, dependencies, and progress tracking — then export as PNG, JPG, or SVG image, or save as a .gantt project file. All data stays in your browser; nothing is uploaded to any server.
Why this is the best free Gantt chart tool
- The full free tier — no paywalled features, no upgrade tier, ever.
- No signup of any kind — no email, no password, no credit card.
- Privacy-first — your data never leaves your browser; no backend exists.
- Works offline as a Progressive Web App — install once, use forever.
- Live dependency arrow re-routing while you drag tasks.
- Multi-task drag with Shift+drag marquee selection.
- Indie-built, actively maintained — see the in-app changelog.
- No ads, no tracking pixels, no analytics on your project data.
Why this beats paid Gantt tools
| Feature |
Gantt Chart Maker |
Asana |
Monday |
MS Project |
TeamGantt |
| Free with full features | yes | limited free tier | limited free tier | no (paid only) | limited free tier |
| No signup required | yes | no | no | no | no |
| Works offline | yes (PWA) | no | no | desktop only | no |
| Data stays on your device | yes | no | no | depends on plan | no |
| Live dependency arrow re-routing | yes | no | no | partial | partial |
| Multi-task drag | yes | no | no | partial | no |
| PNG / JPG / SVG export | all three | PNG only | PNG only | yes | PNG / PDF |
| Open file format | yes (.gantt) | no | no | no (.mpp) | no |
| Built-in themes | 6 | 0 | 0 | 0 | 0 |
Comparison reflects publicly documented features as of 2026-04-26. Free-tier limits of competitors may change.
Features
- Tasks with custom start and end dates
- Milestones (rendered as diamonds)
- Task groups (parent brackets enclosing child tasks)
- Task dependencies: Finish-to-Start (FS), Start-to-Start (SS), Finish-to-Finish (FF), Start-to-Finish (SF)
- Interactive drag-to-link between tasks
- Color coding per task
- Priority levels: Low, Medium, High, and custom
- Progress tracking with percent complete
- Calendar events row for holidays, deadlines, and launches
- Today line indicator
- Image export: PNG (raster)
- Image export: JPG (raster, smaller file)
- Image export: SVG (vector, resolution-independent, print-ready)
- Save and load projects as .gantt files (JSON format)
- Six color themes: Light, Dark, Sepia, Ocean, Forest, Rose
- Auto-detects OS dark mode
- Four languages: English, Greek, Spanish, French
- Keyboard accessible
How to create a Gantt chart
- Open ganttchartmaker.app in any modern browser — no signup.
- Type a task name, pick a start and end date, click Add Task.
- Repeat for every task in your project.
- Click a task bar to edit color, priority, progress, or dependencies.
- Switch Type to Milestone for a single-date event or Group for a parent bracket.
- Turn on Link mode; drag from the green end-dot of one task to the blue start-dot of the next to create a dependency arrow.
- Click Export and choose PNG, JPG, or SVG.
- Click Save to download a .gantt project file; click Load to restore it later.
Frequently Asked Questions
Is Gantt Chart Maker really free?
Yes. 100% free, forever. No subscription, no trial, no paywalled features, no paid tier.
Do I need to sign up or create an account?
No. Open the URL and start building. No email, no password, no credit card.
Can I export my chart as SVG?
Yes. SVG export is fully supported — the chart is rendered with D3.js and exported natively as a scalable vector file, ideal for print or further editing in Illustrator, Inkscape, or Figma.
Can I export as PNG or JPG?
Yes, both are supported from the Export dropdown in the top toolbar.
Does it work offline?
Yes. After the first visit, Gantt Chart Maker works offline as a Progressive Web App.
Does it work on mobile?
Yes. The interface adapts to phones and tablets with icon-only toolbars and touch-friendly targets.
Is my data private?
Yes. All chart content lives in your browser's localStorage. Nothing is uploaded to any server.
Does it support task dependencies?
Yes — four types (FS, SS, FF, SF) with draggable arrow creation between tasks.
Does it support milestones and task groups?
Yes. Milestones render as diamonds at a single date. Groups render as parent brackets spanning child tasks.
What languages is it available in?
English, Greek, Spanish, and French.
How is it different from Monday, Asana, ClickUp, TeamGantt?
Those are SaaS platforms with accounts, cloud storage, and paid subscriptions. Gantt Chart Maker is a free, account-less, browser-only tool focused on building and exporting a Gantt chart quickly, with all data staying on your device.
Use Cases
- Software development sprint and roadmap planning
- Construction project scheduling
- Event planning timelines (weddings, conferences, launches)
- Academic research and thesis milestones
- Marketing campaign tracking
- Personal productivity and goal planning
- Freelance client project timelines
Get started at ganttchartmaker.app — no signup, no install, completely free.
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