Gantt Chart Generator — Create Project Timelines Online

Create project timelines and schedules instantly. Visualize tasks, milestones, and dependencies with our free, easy-to-use Gantt chart maker tool online.

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How this Gantt Chart works

This project management visualization tool creates horizontal bar charts representing project schedules, task dependencies, milestone markers, and resource allocations across timelines, translating complex planning data into intuitive graphical formats facilitating team coordination and progress tracking. The generator produces charts suitable for presentations, printed documentation, or digital project management integration.

Users input project structure defining tasks as discrete work units with start dates, durations, assigned resources, and dependency relationships indicating which activities must complete before others commence. The interface supports hierarchical task organization creating parent-child relationships for work breakdown structures, milestone markers highlighting critical deliverables or decision points, and progress indicators showing percentage completion for in-flight activities. Timeline configurations specify project duration ranges (weeks, months, quarters), adjust granularity controlling bar segment sizes, and establish today-markers distinguishing past/future boundaries. Color coding differentiates task categories, resource assignments, or priority levels, while dependency arrows visualize critical paths showing activity sequences determining overall project duration.

The generator renders charts as downloadable images (PNG, SVG for scalability), interactive HTML visualizations enabling zoom/pan operations, or structured data (JSON, XML) for import into Microsoft Project, Asana, or similar platforms. Template library offers pre-configured formats for common project types (software development sprints, construction schedules, event planning timelines, marketing campaigns), customization controls adjust fonts, colors, and layout preferences matching corporate standards, and export options produce print-optimized PDFs formatted for standard paper sizes. Common applications include proposal submissions demonstrating realistic timelines, team coordination establishing shared understanding of schedules, client reporting showing progress versus baseline plans, or resource planning identifying allocation conflicts. Educational uses demonstrate project management prin ciples, critical path method calculations, or schedule optimization techniques. The tool democratizes professional planning visualization previously requiring specialized software, enabling smaller teams to produce polished timeline communications.

Project Planning Made Visual

Turn complex project schedules into clear, visual timelines. Gantt charts help teams understand task sequences, identify dependencies, and track milestones at a glance. Perfect for project managers, team leads, and anyone coordinating work across time.

Timeline Visualization

Gantt Chart Features

100% Private

Your project data stays in your browser. Nothing is uploaded to external servers.

Date-Based Planning

Set start and end dates for each task to see your project timeline unfold visually.

Task Dependencies

Visualize which tasks depend on others to spot bottlenecks before they happen.

SVG Export

Download your Gantt chart as a crisp SVG for presentations and project documentation.

How this Gantt Chart Generator — Create Project Timelines Online works

The Gantt Chart Generator runs entirely in your browser using JavaScript. Unlike other tools that send your data to a server, we process everything locally on your device. This guarantees 100% privacy and blazing fast speed.

  • No server interaction – data never leaves your device
  • Instant results since there is no network latency
  • Works offline once the page is loaded
  • Free to use with no usage limits

How to Use

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Input

Enter or paste your content into the input field.

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Action

Click the primary button to generate or format.

3

Result

Copy your result immediately from the output box.

Frequently Asked Questions

What does the Gantt Chart Generator do?
It helps you create a Gantt chart to visualize a project schedule with tasks, start dates, end dates, and dependencies. It's useful for planning timelines, tracking progress, and communicating who is doing what and when.
What information do I need to create a Gantt chart?
At minimum, you need task names and start/end dates. For better planning, add owners, milestones, and dependencies so you can see which tasks block others.
How do dependencies work in a Gantt chart?
Dependencies show which tasks must finish before another can start. This helps you spot bottlenecks early and prevents unrealistic schedules where parallel work isn't actually possible.
How do I make a Gantt chart readable for stakeholders?
Group tasks by phase, keep names short, and highlight major milestones. Avoid too many tiny tasks on one view - use higher-level tasks for the main chart and keep details in a separate breakdown.
Is this Gantt Chart Generator secure?
Yes. This tool runs 100% client-side, so your project data is processed locally in your browser and never uploaded to a server.

Related Tools

The Gantt Chart Generator is maintained by CodeItBro. We aim to provide the best free developer tools on the web. If you have feedback or suggestions, please visit our contact page.

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