Conversion Tools
Format conversion across image, video, audio, and 3D.
| Software | Description | License | Tags | Best For |
|---|---|---|---|---|
| fre:ac | Free, open-source batch audio converter. See also: Software Reference → Viewers & File Utilities |
Open Source | Audio Batch · Open Source | Batch audio conversion |
| HandBrake | Free, open-source H.265/AV1 video encoder. See also: Software Reference → Viewers & File Utilities |
Open Source | H.265/AV1 · Open Source | Video encoding |
| Luminance HDR | HDR workflow. Merge brackets, tonemap, convert EXR/HDR/RGBE. See also: Software Reference → Viewers & File Utilities, Tools, Pipeline & Utilities → Photogrammetry & 3D Scanning |
Open Source | HDR Workflow · EXR | HDR workflow |
| Shutter Encoder | FFmpeg GUI with professional presets. See also: Software Reference → Viewers & File Utilities |
Free | FFmpeg GUI · Pro Presets | Pro video encoding GUI |
| XnConvert | Batch image converter, 80+ actions. See also: Software Reference → Viewers & File Utilities |
Free | Batch · 80+ Actions | Batch image conversion |
Related:
- 123apps Freemium. Free web tools for audio, video, image.
- 3DGS Converter. Format conversion tool for 3D Gaussian Splatting data.
- Assimp (GitHub). Open-source library, 40+ 3D format import (C/C++/Python).
- Assimp (site). A portable Open-Source library to import various well-known 3D model formats in a uniform manner.
- CloudConvert Freemium. 200+ formats with API.
- Convertio Freemium. Multi-format converter.
- F Spy USD. Unofficial fSpy to USD converter.
- FBX2glTF. Meta's CLI for FBX → glTF 2.0.
- FreeConvert Freemium. Free online file converter.
- glTF Pipeline. GlTF GLB, Draco compress, texture resize.
- GLTF Report. Web app to diagnose and optimize glTF files. Inspector supports BASIS/KTX2 textures. By Don McCurdy.
- glTF Transform. JS library/CLI for reading, editing, optimizing glTF (Draco, KTX2).
- glTF Validator. Official Khronos spec validation.
- glTF Viewer. Web-based glTF/GLB viewer.
- gltfpack. Aggressive glTF mesh/texture optimization.
- ImageMagick. CLI, 200+ image formats.
- MAZANOKE. Browser-based converter.
- Needle USD Converter. Web-based USD/USDZ viewer and converter.
- obj2gltf. Cesium's OBJ → glTF with PBR mapping.
- OIIO (OpenImageIO). ASWF CLI tools, 100+ formats. VFX pipeline standard.
- Online Convert Freemium. Web-based format converter.
- Packyderm. A lightweight tool that lets you browse and extract the contents of unitypackage files without opening Unity
- Pixelicious. Image-to-Pixel Art converter.
- PNGQuant. CLI lossy PNG compression.
- Retargeting Mixamo Animation Tool. Web tool to retarget Mixamo animations.
- SoX. CLI audio processing.
- Squoosh. Google. AVIF/WebP/JPEG XL image compression.
- TinyPNG Freemium. Lossy PNG/JPEG compression.
- VERT.sh. General-purpose online converter.