Supported File Types

40+ file formats across 9 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	Partial	Interactive 3D viewport
Audio	7 formats	Yes waveform	Waveform player
Materials	5 formats	No	Material sphere preview
Code	45+ extensions	Icon	Syntax-highlighted viewer
Documents	6 formats	No	Document viewer
Packages	1 format	No	Contents listing
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`	No
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`	No rendered in preview
Wavefront OBJ	`.obj`	No rendered in preview
FBX	`.fbx`	No rendered in preview
Blender	`.blend`	Yes embedded thumbnail if present
Other	`.dae` `.3ds` `.stl` `.abc`	No

Preview: Interactive Three.js viewport with orbit controls (rotate, pan, zoom). GLTF/GLB animations play automatically. Blender files can be exported via Blender integration.

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.

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.

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.

Upcoming

The following file types are planned for future releases:

Video

.mp4 .webm .mov .avi .mkv

Spreadsheets

.xlsx .csv .ods

Ebooks

.epub .mobi

Fonts

.ttf .otf .woff .woff2