librARy / web tools
Web tools for architects.
From site plan to competition board: viewers, editors and converters that run in your browser, designed by architects for architects. Many of them are free.
Nothing to install
In the browser on Windows, Mac and Linux, and many work on your phone too.
Your files stay yours
Whatever can run on your computer does; everything else is deleted within hours.
Made by architects
Layers, pens, scales and boards: tools that get how we draw.
Free for everyone
VISOR CAD
Open DXF and DWG drawings in your browser, even on your phone
Open DXF, DWG and Rhino drawings in your browser or on your phone: layers, snapping measurements, text search and PDF to scale. Free, nothing to install.
Learn moreVISOR BC3
Open a BC3 cost estimate without Presto
Open .bc3 (FIEBDC-3) cost estimates from Presto, Arquímedes, CYPE or TCQ: chapters, items, measurements and breakdowns, from base cost to total with VAT, and export to Excel. Free.
Learn moreLIENZO
Your architect's Photoshop, free and in the browser
A free Photoshop for architects in your browser: layers, masks, layer styles, curves, sky replacement, straighten verticals and layered PSD files.
Learn moreVISOR 3D
Open any 3D model, cut it and export the section as DXF
Open, section and measure GLB, OBJ, STL, PLY, 3D DXF and Rhino models in your browser. Parallel axonometric view, DXF sections and high-res captures. Free.
Learn moreCOMPARAR
What changed in the drawing? Compare it in seconds
Upload two versions of a drawing and see what changed: what's new, removed, moved or on a different layer. DXF or CAD PDF. Free.
Learn moreLÁMINAS
Your presentation board, laid out in minutes
Lay out submission and competition boards from A4 to A0 with grid, title block and your PDF drawings at true scale, north arrow and scale bar. Free.
Learn moreBIBLIOTECA
Trees, people and hatches for your drawings
Trees, people and hatch patterns for your architecture drawings in DXF and PAT, free. The same blocks used by librARy's tools.
Learn moreFor the studio
Urban Tool
Your site plan, in minutes
Mark your site on the map and get a site plan with blocks, streets, green areas and trees as DXF, Rhino and 3D, ready for your board.
Learn moreHerramientas PDF
Everything you do with a PDF, in one place
Organise, merge, split, sign, compress and convert PDFs. The basics run in your browser: your files never leave your computer.
Learn moreCAD Cleaner
Your DXF, clean and ready for the board
Sort layers, apply pens and palettes, fill walls, add trees, people, shadows, areas and hatches, and export a scaled PDF. From raw DXF to presentation board.
Learn moreAXO Drawer
Line axonometrics with shadows, straight from your model
Hidden-line axonometric drawings from your 3D model, with faces hatched by orientation and cast shadows. Export a layered DXF.
Learn moreHORIZON 2D
Competition-ready line perspectives
Line perspectives from your 3D model with parallel verticals, hatching by orientation, shadows and lines that fade with distance.
Learn moreTRACE 2D
From PDF (or photo) to editable DXF
Turn a PDF, scanned or photographed drawing into an editable DXF with lines, text and layers, to scale.
Learn moreUPSCALE
More resolution for your images
Upscale photos, renders, textures and scanned drawings ×2, ×3 or ×4 with AI, keeping transparency and showing the print size.
Learn moreTOPO 3D
Real terrain, in 3D
Real terrain from Spain's IGN and Cadastre buildings in 3D, with contour lines and site sections. Export DXF and OBJ. Spain only.
Learn moreEDIFICIOS 3D
The city block in 3D, measured with LiDAR
City-block buildings with heights and roofs measured by Spain's IGN LiDAR, windows, balconies and party walls. Export GLB, OBJ and 3D DXF. Spain only.
Learn moreMAQUETA 3D
From your model to the 3D printer
Repair the mesh, scale to 1:100 or 1:500, orient for less support and estimate material, time and cost of your 3D-printed architectural model.
Learn moreDETALLES
The construction detail, calculated and drawn
Build a construction detail layer by layer and get its U-value (Spanish CTE), condensation check (Glaser), a hatched DXF section and an exploded axonometric.
Learn morelibrARy news, in your inbox
New tools and updates, one email a month at most.