gantts.app

Spec sheet

Purpose

gantts.app is a free Gantt chart maker that runs in a web browser and lets users create project timelines.Read 9 Oct 2026 · gantts.app

Intended users

The maker describes the tool as intended for anyone who wants to plan a project on a timeline without an account, download, or paywall.Read 9 Oct 2026 · gantts.app

Integrations

The editor provides exports for Microsoft Project XML, calendar ICS, Mermaid Gantt text, and an embeddable iframe.Read 9 Oct 2026 · gantts.app

Support

The maker accepts questions, bug reports, and feature requests by email or public GitHub issue, with no support queue or ticket system.Read 9 Oct 2026 · gantts.app

Analytics and ads

Google Analytics 4 is off until a visitor consents, while Google AdSense loads on pages and may use advertising cookies.Read 9 Oct 2026 · gantts.app

Critical path

The app automatically calculates and highlights the critical path.Read 9 Oct 2026 · gantts.app

Dependencies

The app supports four task dependency types and updates dependency arrows as dates change.Read 9 Oct 2026 · gantts.app

Import and export

The app supports task-list imports from CSV or JSON and plain-text outlines, and exports to PDF, PNG, Excel, PowerPoint, and JSON.Read 9 Oct 2026 · gantts.app

Local data

Projects are saved in browser local storage and are not uploaded to or stored on the maker’s servers.Read 9 Oct 2026 · gantts.app

Notable limitation

The maker says it cannot access charts to investigate issues or recover lost projects; clearing browser data removes locally saved projects.Read 9 Oct 2026 · gantts.app

Offline use

The app can be installed to a home screen and used offline.Read 9 Oct 2026 · gantts.app

Organization

Users can group tasks into phases with roll-up bars, milestones, and automatic numbering.Read 9 Oct 2026 · gantts.app

Scheduling

Users can drag and resize task bars, set progress, reorder tasks, and schedule work on an interactive timeline.Read 9 Oct 2026 · gantts.app

Sharing

Shareable links encode project data in the URL fragment, so the project is not stored on a server.Read 9 Oct 2026 · gantts.app

Plans and prices

Every gantts.app plan and price →

Where Specifiction places it

• Gantt Chart Software#32 of 467.6