Supported File Types

80+ file formats across 10 categories — thumbnails, metadata, and interactive previews

Overview

Each format may have metadata extraction, thumbnail generation, and/or an interactive preview. The table below summarises what's available for each category.

Category	Formats	Thumbnails	Preview
Textures & Sprites	13 formats	Yes	Image viewer, animated playback
3D Models	8 formats	Yes	Interactive 3D viewport
Audio	7 formats	Yes waveform	Waveform player
Materials	5 formats	Yes	Material sphere preview
Code	45+ extensions	Icon	Syntax-highlighted viewer
Documents	6 formats	Icon	Document viewer
Fonts	3 formats	Yes	Font preview
Packages	1 format	Yes	Contents listing
Archives	3 formats	Yes	Browse & preview contents
Other	Any file	No	File info only

Textures & Sprites

Format	Extensions	Thumbnail
Standard images	`.png` `.jpg` `.jpeg` `.webp` `.bmp` `.ico`	Yes Lanczos3 resize
Targa	`.tga` `.targa`	Yes
SVG	`.svg` `.svgz`	Yes
Photoshop	`.psd`	Yes flattened composite
Krita	`.kra`	Yes merged layer
Aseprite	`.ase` `.aseprite`	Yes first frame, nearest-neighbor
GIF	`.gif`	Yes first frame
Other	`.dds` `.exr` `.hdr` `.tiff` `.tif`	No

Preview: Standard image viewer for raster formats. Aseprite and GIF files get frame-by-frame animation playback with timeline scrubbing. Aseprite files also show a layer panel.

3D Models

Format	Extensions	Thumbnail
GLTF / GLB	`.gltf` `.glb`	Yes rendered on import
Wavefront OBJ	`.obj`	Yes rendered on import
FBX	`.fbx`	Yes rendered on import
Blender	`.blend`	Yes embedded thumbnail if present
Other	`.dae` `.3ds` `.stl` `.abc`	No

See the 3D Files documentation for details on texture loading and file structure.

Audio

Format	Extensions	Thumbnail
Common	`.mp3` `.wav` `.ogg` `.flac` `.aac` `.m4a`	Yes waveform visualization
MIDI	`.mid` `.midi`	Yes piano roll visualization
Other	`.wma`	No

Preview: Interactive waveform with playback, seeking, and volume control. MP3/FLAC also display ID3/Vorbis tags (title, artist, album, genre). MIDI files show a piano roll and play back via Tone.js synthesis.

Materials

Format	Extensions
Wavefront MTL	`.mtl`
MaterialX	`.mtlx`
Unity Material	`.mat`
Substance	`.sbsar` `.sbs`

Preview: PBR material rendered on a sphere.

See the Materials documentation for details on texture structures and supported properties.

Code

Supports 45+ extensions across several subcategories:

Programming

.js .ts .jsx .tsx .py .rs .cs .cpp .c .h .hpp .java .kt .swift .go .rb .php .lua .gd .hx

Shaders

.shader .hlsl .glsl .cg .vert .frag .compute .wgsl

Shell

.sh .bash .bat .cmd .ps1 .psm1

Data & Config

.json .xml .yaml .yml .toml .ini .cfg .env .properties

Thumbnail: Language-colored file icon.
Preview: Syntax-highlighted code viewer.

Documents

Format	Extensions
PDF	`.pdf`
Word	`.docx`
OpenDocument	`.odt`
Rich Text	`.rtf`
Markdown	`.md` `.markdown`
Plain Text	`.txt` `.text`

Preview: Paginated document viewer for PDFs. Rendered markdown for .md files. Text display for others.

Fonts

Format	Extensions	Thumbnail
TrueType	`.ttf`	Yes
OpenType	`.otf`	Yes
Web Open Font	`.woff`	Yes

Preview: Font preview with sample text rendering and live preview of typed text.

Packages

Format	Extensions	Description
Unity Package	`.unitypackage`	Scans and imports Unity Asset Store packages. Extracts embedded preview thumbnails. Auto-creates a bundle per package. See the Unity Packages documentation for details.

Format	Extensions	Description
Zip	`.zip`	Reads inside the archive on import and indexes the files and folders within. Browse the contents as if they were on disk, and click any file for a live preview without extracting it. See the Archives documentation for details.
RAR	`.rar`
Gzipped tar	`.tgz` `.tar.gz`

Other Files

Any unrecognised file can still be added to your library. It gets basic file info (size, timestamps, MIME type) and a generic icon. You won't get thumbnails or previews, but the file is fully searchable and taggable like any other asset.