Sketch a site drainage layout or mark up CCTV survey photos — in your browser, no install, no account.
DrainCAD is a free, browser-based drawing tool built for drainage and groundworks contractors, and for anyone producing CCTV drainage survey reports. Lay out gullies, manholes, inspection chambers and pipe runs on a simple site plan, or drop straight into an existing CCTV screenshot and mark it up with text notes, leader arrows and dimensions. Everything exports as a clean image for your report, or saves as an editable file you can pick back up later. No software to install, nothing to buy, no login required.
Switch modes below to sketch a site layout plan or annotate a CCTV survey inspection photo.
No bloated desktop software. Powerful drainage drawing features running 100% free in your browser.
Drop gullies, manholes, inspection chambers, catchpits, soakaways, and sanitary fittings directly onto your site plan with one click.
Import a JPEG or PNG survey photo and annotate it directly with text labels, leader arrows, and defect dimensions for formal report submissions.
Draw pipe runs with custom diameters, mark flow direction arrows, and bulge boundary lines into curves for bay windows and curved sections.
Pick distinct colours and text sizes for foul vs. surface water labels, defect leader notes, and dimension callouts.
Download an editable project file and pick up exactly where you left off anytime without needing a cloud account or server login.
Generate a flattened, crisp, high-resolution report-ready image in one click to insert directly into customer quotes or insurance PDFs.
Tailored specifically for drainage industry professionals needing fast, clean deliverables.
Sketch quick, professional site layouts for customer job quotes, site team packs, and installation instructions without waiting for CAD technicians.
Mark up survey footage stills with observed defects, crack dimensions, root intrusions, and leader notes to accompany video logs.
Create clearly annotated, colour-coded evidence images and dimensioned sketches to support drainage damage claims and reports.
Open DrainCAD in your browser and start your first layout in seconds.