Clash Zero detects interferences between disciplines directly in Revit, including linked models. Clear results, 3D preview of each clash, 3D view in one double-click, Excel, PDF and BCF reports.
Compatible with Revit 2025, 2026 and 2027 · 1-computer license · key sent automatically by email · interface in English and French (EN / FR)
One window, three steps. Designed by a BIM professional to be understood in seconds.
Choose the disciplines to check against each other: plumbing, HVAC, electrical, sprinkler, structure, architecture. Or check everything in one click.
Test your model against linked RVT and IFC models from other firms. The "Linked model" column shows where each element comes from.
One click: the clash in 3D in a small window, rotate it with the mouse. A double-click: a 3D view in Revit centered on the clash, A in red, B in blue.
Export the list, a summary and a matrix. A colleague without Revit updates the statuses, you import them back.
A cover page with key figures, then one sheet per clash. Fast mode in a few seconds, or real 3D captures from Revit.
BCF format, one topic per clash with its view, to open in BIMcollab.
Active, To review and Resolved statuses, plus comments. "Check resolved" verifies that clashes are really fixed.
Also flag elements that are too close between MEP disciplines (e.g. 50 mm), including pipe and duct insulation. Small, irrelevant overlaps can be ignored.
Interface fully in English and French: one click on EN / FR switches the language of the window and of the Excel and PDF reports.
Draw the area to check in a plan view: rectangle or freehand. Ideal for a shaft or a plant room on a large project.
Compare two detections, from any dates: new, resolved and remaining clashes, by discipline, in PDF or Excel.
Zoom from 60% to 150%: readable on a laptop as well as on a 49-inch screen. Light or dark theme.
Open the Clash Zero tab in the Revit ribbon.
Whole project, active view, selection, levels or a zone drawn in plan. Then the disciplines to check.
One switch to include linked files. Minimum clearance and discipline pairs in the advanced options.
Results are shown, grouped by level and by discipline pair. 3D preview in one click, 3D view in Revit in a double-click.
Discover the plug-in in a few minutes.
Videos are hosted by YouTube and only load when you click on them. Visit the Clash Zero YouTube channel ›
Excel to track, PDF for the coordination meeting, BCF for other BIM software, and how clashes evolve over time.
For everyone who coordinates Revit models every day.
Plumbing, HVAC, electrical, structure: check your systems against the others before sending your drawings.
A clear status of clashes at every coordination meeting, with a report ready to share.
Check MEP coordination before construction, while a fix still costs little.
No hidden subscription. One license per computer, for one year.
Not sure of your version? In Revit: Help menu ▸ About Revit — the year is shown there.
Secure payment and invoice by Lemon Squeezy.
You receive the download link and your license key by email. Install, paste the key, click Activate: you're ready.
Compatible with Revit 2025, Revit 2026 or Revit 2027 (three versions of Clash Zero). Each license works only with the version purchased. Windows 10 or 11 (64-bit), internet connection for activation. Interface in English and French (EN / FR button in the window), Excel and PDF reports in the chosen language. Check your Revit version before buying.
Download the latest version from your Lemon Squeezy purchase email. Close Revit before installing: your license is kept.
Everything you need to get started.
Another question? Write to [email protected].
Automatically by email, right after payment. Paste it into the activation window the first time you launch Clash Zero.
No, one license covers one computer. To change computers, write to support: a transfer is possible for the same user.
No. Detection runs entirely on your computer. Only the license key and a technical computer ID are used for activation.
Usually yes: Clash Zero uses the company's Windows proxy. IT only needs to allow api.lemonsqueezy.com (activation) and clashzero.pages.dev (update notice). Installation does not require administrator rights.
A banner in Clash Zero shows when a new version is available. Nothing installs by itself: you download the new version from your purchase email and install it over the old one.
Yes. Clash Zero is fully available in English and French: click EN / FR at the top of the window to switch the whole interface and the Excel / PDF reports. — Oui. Clash Zero est entièrement en français et en anglais.
Clash Zero comes in three versions: compatible with Revit 2025, Revit 2026 or Revit 2027, at the same price ($40.99 / year). Choose the one compatible with your Revit: a license works only with the version shown.
No. Updates within the same Revit year (e.g. 2026.1, 2026.2) do not require reinstalling Clash Zero. For a new Revit year, you need the matching Clash Zero version.
No. Clash Zero never runs a detection on its own: it only calculates when you click "Detect clashes". On a large project, limit detection to one level, one zone or a few disciplines.
Seller: Lemon Squeezy, official reseller (Merchant of Record). It concludes the sale, collects the payment and issues the invoice. Its full identity and address are shown on the checkout page and on the invoice.
Software publisher: Mali — Clash Zero
Contact and support: [email protected]
Full legal information (English / français)
Sales are made by Lemon Squeezy, official reseller, which collects the payment and issues the invoice. The license is personal, valid for one computer and for 365 days from activation, renewable. It may not be resold or transferred. Compatible with Revit 2025, Revit 2026 or Revit 2027, depending on the version purchased. The software is provided as is; it is a coordination aid that does not replace verification by a professional.
Clash Zero is delivered immediately after payment. Unless mandatory law provides otherwise, a purchased license is neither cancelled nor refunded. A problem with Clash Zero? If your license does not activate or the plug-in does not work properly, write to Clash Zero support: [email protected]. We will help you solve the problem. Mandatory consumer rights, including the right of withdrawal where it applies, remain unaffected. Details.
Your projects stay on your computer: no project file is ever sent. For the license, only the license key and a technical computer ID are used. For purchases, Lemon Squeezy processes name, email, country and payment; we receive the name, email and order only for licensing, support and accounting. Data may be processed in the United States by our providers. It is never sold or used for advertising. This site uses no cookies; only anonymous visit statistics are measured. YouTube videos only load if you click on them. To view, correct or delete your data: [email protected]. Full privacy policy.
A question? Write to us at [email protected]
