A complete beginner's guide to creating a professional project timeline with Gantt charts. Follow these 5 steps to go from blank page to beautiful chart in minutes — no experience needed.
A Gantt chart is a horizontal bar chart that shows your project's tasks on a timeline. Each task appears as a bar spanning from its start date to its end date. Milestones mark critical points with a diamond symbol. The result is a powerful visual overview of your entire project at a glance.
This guide shows you how to build one using gantt.space — a free, no-signup Gantt chart maker that runs in your browser. You'll learn to:
Navigate to gantt.space in any web browser — Chrome, Firefox, Safari, or Edge all work perfectly. You'll see the Gantt chart tool immediately on the home page.
No signup required. Unlike Asana or Monday.com, you don't need to create an account, verify your email, or enter payment details. The tool is immediately ready to use.
If you've visited before, your previous Gantt chart automatically reloads from your browser's saved data.
Click the "+ Add Task" button in the toolbar. A dialog box will appear with these fields:
Click "Save Task" and your first task bar appears on the timeline immediately.
Repeat Step 2 for every task or phase in your project. As you add tasks, they appear as colored bars on the timeline. The chart automatically adjusts its date range to fit all your tasks.
Some tips for structuring your tasks effectively:
Milestones mark critical points in your project — launch dates, approvals, review gates, or any date that must not be missed. Click "◆ Milestone" in the toolbar to add one.
A milestone requires only a name and a date (no end date). It appears as a diamond ◆ shape on the timeline, distinct from task bars.
When your Gantt chart is complete, click "⬇ Export PNG" in the toolbar. A high-resolution image of your chart downloads automatically.
You can use this image to:
Alternatively, press Ctrl+P (or Cmd+P on Mac) to open the print dialog and save as PDF.
Add your project's final milestone first. This anchors the timeline and helps you work backwards to plan what needs to happen by when.
Tasks shorter than 2 days or longer than 2 weeks usually need to be split or grouped. Aim for tasks that feel meaningful and manageable.
"Homepage design complete" is better than "work on homepage." Deliverable names make it clear when a task is actually done.
The red vertical line shows today's date. Tasks that extend past this line on the left are behind schedule — a quick visual cue for your team.
Set the progress percentage on tasks during your weekly standup. A Gantt chart with up-to-date progress is infinitely more valuable than one that hasn't been touched.
Project plans change. When tasks slip or priorities shift, update your Gantt chart. An accurate, current timeline is more useful than a perfect but stale one.