STL Viewer

Preview .stl files right in your browser. Nothing is uploaded.

Drop a STL file here

or browse files — nothing is uploaded, everything stays on your device.

Got a folder or .zip? Drop the whole thing — 3D models load with their textures, and photo or PDF sets open as a gallery you can flip through.

Supported file types

Images

.jpg, .jpeg, .png, .webp, .gif, .bmp, .avif, .heic, .heif, .svg

Documents

.pdf, .docx, .epub, .rtf

Data

.xlsx, .xls, .ods, .csv, .tsv

Text & code

.txt, .log, .json, .xml, .yaml, .yml, .js, .mjs, .cjs, .jsx, .ts, .tsx, .py, .rb, .php, .java, .c, .h, .cpp, .hpp, .cs, .go, .rs, .swift, .kt, .lua, .pl, .r, .dart, .sh, .bash, .zsh, .ps1, .sql, .html, .htm, .css, .scss, .less, .vue, .svelte, .toml, .ini, .conf, .gradle

Subtitles

Markdown

Fonts

.ttf, .otf, .woff, .woff2

Archives

.zip, .tar, .gz, .tgz

3D models

.stl, .obj, .glb, .gltf

Media

.mp4, .webm, .mov, .mp3, .wav, .ogg

About STL Viewer

STL is the standard mesh format for 3D printing, but a lot of slicers give poor feedback when a model is broken. This viewer lets you rotate and inspect the mesh first, right in the browser, before you commit to a print.

Fuel the Developer

Enjoying the tools? Feel free to buy us a coffee. Regardless we will always remain fast, private and free :)

Tap to support the project.

Did you know?

Zelda

Miyamoto has said the real cave he explored near his hometown of Sonobe as a child took him an entire summer to fully map out, armed with nothing but a lantern.

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