Preceden

Preceden is a web-based timeline maker for visualizing projects, history, legal cases, research, and writing. Timelines can be built manually or generated with its AI tool. Add layers, connected events, notes, icons, legends, themes, and approximate dates, then arrange items with drag and drop or use zoom. Project-planning tools include Gantt charts, dependencies, milestones, percent-complete tracking, bulk editing, templates, and roadmaps. Spreadsheet imports support XLSX and CSV. Timelines can be shared by link, HTML embed, or presentation mode and exported as PDF, image, PowerPoint, spreadsheet, and more. Visibility options include private, password-protected, or secret-URL access. AI generation is free without an account, though editing the generated timeline requires one; Preceden cautions that obscure or recent topics may be inaccurate and URLs cannot be used as topic input. The free plan allows up to 10 events per timeline, while paid plans start at $10/mo (annual). The service has Android and iOS platforms, but phone use is limited to basic editing; full visualization requires a tablet or larger screen.

Preceden offers timeline creation, project-planning tools, imports, exports, and visibility controls through the web. Its phone interface is limited, and it does not support real-time collaboration.

Preceden suits people organizing events into timelines, roadmaps, or Gantt charts for projects, history, legal work, research, or writing. Teams should note that real-time collaboration is not supported.

Overview

Preceden is a web-based tool for building timelines around projects, historical events, legal cases, research, and writing. It suits people who need a clear visual chronology, with project managers getting extra planning tools. Its range of timeline formats and export options is useful, though serious editing is best done on a tablet or larger screen.

Key features

Start with a blank timeline or generate one with Preceden’s AI tool. AI generation is free without an account, but editing the result requires one. The tool is best suited to familiar historical or fictional subjects; it may be inaccurate on obscure or recent topics and cannot take a URL as its input.

Timelines can include layers, connected events, notes, icons, legends, themes, approximate dates, and zoom controls. Drag-and-drop editing helps arrange events, while templates, bulk editing, milestones, dependencies, percent complete, and Gantt charts add practical project-planning structure. The range makes Preceden more useful than a simple chronological list when a project has linked tasks or progress to track.

Import event data from CSV or XLSX files on paid plans. Share timelines by link, embed them in HTML, or use presentation mode; export to PDF, image, PowerPoint, spreadsheet, and other formats. Private, password-protected, and secret-link settings offer different ways to limit access. Preceden does not support real-time collaboration, so teams cannot rely on it for simultaneous editing.

Pricing

The Free plan costs nothing forever. It allows unlimited timelines, but caps each at 10 events. PDF, PPTX, and other exports are included, making it suitable for small or occasional timelines. It excludes spreadsheet import, collaboration, custom logos, and custom domains.

Basic costs $10 a month billed annually, or $25 a month billed monthly. Both versions include unlimited timelines and events, exports, spreadsheet import, and removal of Preceden branding; neither includes collaboration, a custom logo, or a custom domain. The annual option suits individual users who need to handle larger timelines or import spreadsheets; the monthly option offers the same features with month-to-month billing at a higher price.

Pro costs $16 a month billed annually, or $40 a month billed monthly. It adds collaboration, custom logos, and custom domains to the Basic features. The annual plan supports up to 100 collaborators per timeline, which makes it the fit for teams that need shared access or branded timelines. Monthly Pro carries the same feature set at the higher monthly rate.

Preceden says customers can email within 15 days of a payment for a full refund.

Platforms

Preceden runs in a web browser and has no downloadable desktop version. It is listed for Android and iOS, but the phone interface supports basic content editing; full timeline visualization requires a tablet or larger screen. That makes it less suitable for people who need to build and inspect detailed timelines on a phone. The Help Center provides support articles, and users can email the company for help.

Who it's for

Preceden suits project managers, researchers, writers, and anyone presenting a sequence of events who wants more structure than a basic timeline. Gantt charts, dependencies, and progress tracking serve project planning, while legal chronologies and comparative timelines cover other specialized uses. People who need live co-editing or full phone-sized visual editing should look elsewhere.

Pros and cons

• Pros: Unlimited timelines on every plan; the free tier includes exports, and paid plans add unlimited events and spreadsheet imports.
• Pros: Gantt charts, dependencies, milestones, and percent complete give project timelines useful planning context.
• Pros: Link, embed, and presentation sharing plus private and password-protected access support different audiences.
• Cons: Free timelines stop at 10 events, and spreadsheet import requires a paid plan.
• Cons: Real-time collaboration is unavailable; even Pro's allowance of up to 100 collaborators does not provide simultaneous editing.
• Cons: Phone editing is basic, and the full visualization needs a tablet or larger screen.
• Cons: Monthly billing costs substantially more than annual billing for the same Basic and Pro feature sets.

Alternatives

For a broader selection of diagramming tools, browse Diagramming Software.

• Choose Lucidchart if you want diagramming software with a free basic plan and separate individual and team plans.
• Choose draw.io if you want free, open-source diagramming software that requires no sign-up.
• Choose EdrawMax if you want a freemium diagramming tool with a free trial and support across desktop, web, and mobile platforms.
• Flowdia Diagrams is another diagramming option for Android, iOS, and Windows.
• ClickCharts is a freemium diagramming option for Android, macOS, and Windows.
• Gluu is a paid option focused on process design, organizational roles, and process mapping.
• OmniGraffle is a paid diagramming option for iOS and macOS.
• Choose Cacoo if you want a free plan with real-time editing, unlimited users, and up to six sheets.

Verdict

Preceden is a strong fit for individuals and project teams who need timelines that can also organize milestones, dependencies, and progress. Its broad export and sharing options make finished work easy to distribute. Choose it for structured chronology and planning; look elsewhere if live co-editing or detailed phone-based editing is essential.