Excel add-in

Turn the table you already have into a timeline.

Chronolane reads the tasks and dates on your sheet and draws a Gantt-style timeline right next to them — in Excel, as cells and shapes, with nothing to export.

Windows, Mac and Excel for the webYour data stays in your workbookFree plan, no account needed
A B C E F G H I J K L M N O P Q3 2026 Q4 2026 Aug Sep Oct W32 W33 W34 W35 W36 W37 W38 W39 W40 W41 W42 W43 Task Start End 3 4 Kickoff meeting 3 Aug 3 Aug Kickoff meeting 5 Requirements gathering 4 Aug 12 Aug 6 System architecture 13 Aug 20 Aug 7 Database design 21 Aug 27 Aug 8 Frontend UI mockups 14 Aug 25 Aug 9 API development 28 Aug 15 Sep 10 Frontend implementation 26 Aug 20 Sep 11 Integration testing 16 Sep 25 Sep 12 User acceptance testing 26 Sep 3 Oct 13 Security audit 21 Sep 30 Sep 14 Beta release 3 Oct 3 Oct Beta release 15 Documentation 1 Sep 15 Oct 16 Production launch 20 Oct 20 Oct Production launch Project plan Budget
The Chronolane pane: timeline overview, parts of the timeline and sheet enhancements
The Chronolane pane: timeline overview, parts of the timeline and sheet enhancements
How it works

Three steps, no new tool to learn

It’s still Excel. Chronolane adds the timeline and a pane to manage it.

  1. Open your table

    Any sheet with a task column and two date columns. Chronolane detects them — you confirm or change the mapping.

  2. Create the timeline

    One click draws date headers and bars beside your rows. Milestones, dependencies and progress come from your columns.

  3. Edit anywhere

    Change a date in the table or drag the bar — both stay in sync. Style, timescale and templates live in the pane.

Features

Everything a project timeline needs

Built for the way people actually plan in spreadsheets.

A timescale you can read

Three header tiers — quarters, months, weeks or days — drawn as real cells, so the timeline scrolls and prints like the rest of your sheet.

ProFree draws one column per day. Pro changes the cell width and the tiers.

Dependencies that behave

Link tasks from any column. Chronolane draws the connectors, flags conflicts and can shift successors for you — or leave them and let you decide.

ProFree flags late links and leaves them to you. Pro shifts successors and reviews conflicts.

Templates that are real sheets

Twelve starting points with sample data dated around today, most with a timeline already drawn. Each one is added as a new sheet; nothing else in the workbook changes.

ProTwo are free; all twelve with Pro.

History you can scrub

Every apply is one step. Snapshots are taken before anything big; keep the ones that matter and restore any of them in a click.

ProFree restores the three newest. Pro keeps and scrubs them all.

Sheet enhancements

Colour cells by status, add icons by priority, show owner initials, tint lanes, outline and indent — from the same pane.

ProAll six are part of Pro.

Edit from either side

Click a bar in Excel and a card appears to restyle just that one. Drag a bar and the dates update in the table — or ask first, if you prefer.

ProDragging is free. Restyling a single bar is Pro.

DependenciesPro

Conflicts, explained — not just flagged

When a predecessor moves, choose whether successors follow automatically or wait for you. Either way you see exactly which links are in trouble and decide them one by one, or keep the rest in a click.

  • Link tasks by the IDs in your ID or WBS column
  • Loops and out-of-order links listed, and previewed on the sheet
  • Reschedule all, or keep the gap between tasks
Dependencies review in the Chronolane pane, listing links that start before their predecessor ends
Changes wait for you

Nothing is written until you say so

Edits collect in a capsule at the bottom of the pane. Review them as old → new, undo the ones you don’t want, then apply them all as one step that History can take back.

  • Review · Discard · Apply, on every screen
  • One History step per apply
  • Discard asks first, so nothing is lost by accident
The Review sheet in the Chronolane pane, listing staged changes as old and new values
TimescalePro

Tap the header to change it

The date headers are the control. Tap a tier to change its units, labels and colours; slide the cell width from daily to custom. Weekends, holidays and your fiscal year are one screen away.

  • Quarters, months, weeks, days — or FY quarters
  • Snap bars to cells, or place them on exact dates
  • Non-working days shaded
The Timescale editor in the Chronolane pane with the three header tiers
Privacy

Your workbook is the database

Chronolane runs inside Excel. The timeline, its settings and its history are stored in the file itself.

Your content stays in the file

Task names, dates and cell values are read by the add-in in Excel and never sent to us.

No account for the free plan

The free plan never asks you to sign in. Pro uses an account: sign in with Google, Microsoft or an e-mail code. Usage events carry a random ID — never cell contents, task names or file names.

Share the file, share the timeline

Send the workbook to a colleague and everything travels with it — no accounts, links or exports needed to view it.

The details are in our privacy policy.

Templates

Start from a sheet that already works

Each template is a real table with sample data placed around today — and, for all but the budget, a finished timeline — added to your workbook as a new sheet. Project Schedule and Basic Project Budget are free; the rest come with Pro.

  • Project Schedule

    Phases, owners and milestones on one timeline.

  • Basic Project Budget

    Estimate and track costs by category with a summary chart.

  • Infrastructure Cutover Plan

    Sequence migration steps, go/no-go gates and rollback.

  • Marketing Campaign Plan

    Channels as swimlanes, launch and review milestones.

  • Product Launch Plan

    Product, marketing, sales and support to launch day.

  • Construction Schedule

    Fit-out from permit to handover, with inspections.

  • Event & Conference Plan

    Plan backwards from event day: venue, speakers, tickets.

  • Product Roadmap

    Twelve months by theme, quarterly releases, monthly cells.

  • Work Breakdown Structure

    Break deliverables into numbered work packages.

  • Agile Sprint Plan

    Six two-week sprints as swimlanes, reviews and a release.

  • Hiring & Onboarding Plan

    Three roles from approval to first day, one lane each.

  • RAID Log

    Log risks, assumptions, issues and dependencies.

Pricing

Free for a whole project. Pro for more control.

The free plan draws a complete timeline of any size and never expires. Pro unlocks the timescale, automatic scheduling, swimlanes and the rest. Prices include VAT.

Free

€0no account needed

  • One timeline per workbook, any number of tasks
  • Drag, resize and edit from either side
  • Milestones, progress and dependency connectors
  • One column per day, Monday to Friday shading
  • Late links flagged for you to fix
  • Task and milestone fill colours
  • Restore the three newest snapshots
  • Two templates

Pro 7-day free trial

€59a year

or €9 a month, or €149 once for a lifetime licence

  • Everything in Free
  • A timeline on every sheet
  • Timescale: cell width, tiers, labels and colours
  • Successors shift automatically, conflict review, Reschedule now
  • Swimlanes and all six sheet enhancements
  • Full styling, per-bar overrides
  • Full History with kept snapshots
  • Custom workdays, holidays and fiscal year
  • All twelve templates

Start the trial or buy from the add-in (Unlock Pro) or your account page. One account works on up to 3 devices — say Windows, Mac and the web.

Questions

Frequently asked

Which versions of Excel does it work with?

Excel for Microsoft 365 on Windows and Mac, and Excel for the web. It’s installed from Microsoft AppSource or your organisation’s add-in catalogue, so there’s nothing to download.

Does my data get uploaded anywhere?

No. The add-in reads your sheet inside Excel and draws the timeline there; cell contents, task names and file names are never sent to us. What we do receive is usage events and error reports under a random ID — the privacy policylists exactly what.

What happens if someone opens the file without Chronolane?

They see the timeline exactly as drawn — it’s made of cells and shapes. They just can’t edit it with the pane until they install the add-in.

Can I undo a change?

Yes. Every apply is one step in History, and a snapshot is taken before anything big. Restore any of them, or keep the ones you want to come back to.

Does it handle dependencies and working days?

Yes. Link tasks from any column, choose how successors move, and set working days, holidays and your fiscal year start.

Is it free?

Yes. The free plan is free forever and needs no account: one complete timeline per workbook, with any number of tasks. Chronolane Pro adds the controls listed under Pricing for €9 a month,€59 a year or €149 once, VAT included. Anything free today stays free for you.

How do I try or buy Pro?

In the add-in, choose Unlock Pro (or tap the Free label at the top of the pane). Start the 7-day trial — no card needed — or buy: Excel shows a short code, you sign in on chronolane.eu with Google, Microsoft or your e-mail and confirm it, and the checkout by Polar, our reseller, opens in your browser. You can also do all of it fromyour account page.

What happens when Pro ends?

The add-in goes back to the free plan. Nothing in your workbooks changes: timelines drawn with Pro stay exactly as drawn and anyone can still open them. You just can’t change the Pro settings until you upgrade again.

Add Chronolane to Excel

Install from AppSource, open any sheet with dates, and you’ll have a timeline in under a minute.

© 2026 BYTE IDEA S.R.L. · Made in the EUChronolane is not affiliated with Microsoft. Excel is a trademark of Microsoft Corporation.