01
Dimensions and areas
No recalculating: the moment a room closes, it knows its area — the same figure in the panel, the PDF and the CSV. Wall thickness 36.5 outside, 11.5 inside, automatically.
Floor plans in seconds.
20 S TO YOUR FIRST FLOOR PLAN
Draw walls as fast as you would on paper. Rooms close themselves, measure themselves, wall thicknesses sort themselves out — and the same house grows alongside as a white model. In the browser, on any device.
DRAWING · LIVE
SCRIBBLE MODE
From idea to plan.
SEQUENCE · MEASURED ON A NEW USER0 s5 s20 s2 min
01 — STROKE
Drag, don't construct
The wall is already straightened and snapped under your finger — never the scrawled raw line.
02 — ROOM
Closes itself, measures itself
Area, name, wall thickness 36.5 outside and 11.5 inside — without a single dialog.
03 — 3D
Already standing
Gable, hip, shed, flat. The white model rebuilds itself while you switch.
SCREENSHOT COMING
PDF SHEET 1:100
PDF SHEET 1:100
04 — HANDOVER
Dimensioned output
Vector PDF at 1:100 and 1:50, fully dimensioned. DXF 1:1 for everyone who keeps drawing.
TWO MODESScribble when it has to be fast.
Scribble when it has to be fast.
Construct when it has to sit.
One stroke becomes a wall assembly — straightened, snapped, connected, confirmed once. Or you drag them one by one, and the finished wall is already under your finger while you drag.
01
Openings sit inside the wall
Doors and windows snap into the wall and travel with it when the wall moves. Sill height and width as a number, not as a drag handle.
Everything between the line and the handover
What happens to the drawing, and what happens to the building. Everything else is deliberately not built.
02
The roof calculates itself
Pick the shape — flat, gable, hip or shed — your floor plan handles the rest.
03
Real parts, not busywork
Stair, balcony, chimney, dormer: finished components you drag in, not drawn stroke by stroke — the stair keeps to DIN 18065 automatically.
SECTION A-A
04
Sections and x-ray
Place the section wherever you need it. Walls in the way fade out on their own.
TERRAIN · STOREY STACK
05
Terrain and storeys
Storeys stack like tracing paper — the floor below shows through, and wherever one steps back, a terrace appears on its own.
STAIRS · FURNITURE
06
Stairs and scale
Eleven stair shapes, ceiling opening and railing already thought through. Furniture isn't decoration — it just shows you whether the room actually fits.
EXPORT
What comes out at the end
A sketch nobody can reuse is a napkin. That is why the path ends in a dimensioned file, not in a picture.
PDF 1:100PDF 1:50DXF 1:1PNG 2×CSV
PDF
SCREENSHOT COMING
PDF SHEET 1:100, FULLY DIMENSIONED
PDF SHEET 1:100, FULLY DIMENSIONED
Vector PDF, fully dimensioned
Drawn, not rendered. Dimension chains, room names, areas — the same figures as on screen.
DXF
WALLS
OPENINGS
ROOMS
DIMS
STAIRS
DXF 1:1, cleanly separated
Five layers, so a colleague in the office can keep drawing straight away.
TEMPLATES
Don't start from zero
Twenty finished floor plans to open, rebuild, discard. Every template is a real project, not a picture.
Bungalow
Terraced house
Semi-detached
Extension
Apartment
+15
more templates
PREVIEWS COMING — ONE PLAN THUMBNAIL PER TEMPLATE FROM THE APP
FOR ARCHITECTS
Three variants in thirty minutes
Concept phase: sketch, check spatially, discard two. The result goes to the office CAD as DXF.
FOR STUDENTS
Spatial thinking without the CAD hurdle
No course, no licence, no account. Open and draw — the review sees the same plan.
IN THE CLIENT MEETING
Draw along live, understood at once
Draw at the table while the client watches the white model grow. No jargon needed.
SCOPE
What Fastplan is not
This boundary is decided, not forgotten. It is what keeps the tool fast.
No interior planner — pretty pictures without a plan
No construction drawings — and no MEP, no structural
No BIM — no component data depth
No photorealism — the white model stays white
No layer systems — nothing to manage
No cloud requirement — projects stay on the device
FAQShort questions,
Short questions,
short answers
BETA ACCESS
Get the next build in your inbox
One short mail per release: what is new, what changed in the exports, what we are working on next. No newsletter, no tracking pixel.
READY?
Draw the plan.
See the house.
Free during the beta. Nothing to install, no account, and your projects stay on your device.
No accountRuns in the browserPDF · DXF · PNG · CSV