# Reference

> Supported formats and a glossary of the terms used across this guide.

Formats Studio docs · Reference · https://formats.app/docs/reference · Updated 2026-09-28

## Formats

| Use | Types |
| --- | --- |
| Import | Video, audio, image, GIF, SVG, generated assets, compound clips |
| Video export | MP4, MOV, WebM, MKV |
| Audio export | MP3, AAC, WAV |

> **Note:** Exports use H.264 or H.265/HEVC in MP4 and MOV, VP8, VP9 or AV1 in WebM, and any of them in MKV.

## Editing terms

| Term | Meaning |
| --- | --- |
| In/out range | A marked start and end, used to choose the part of a source to edit in. |
| Source handle | Spare frames beyond a clip edge, needed for trims and transitions. |
| Ripple edit | An edit that shifts later material to open or close timeline space. |
| Rolling edit | An edit that moves the cut between two neighboring clips. |

## Feature terms

| Term | Meaning |
| --- | --- |
| Workspace | The folder Formats Studio reads from and writes to. |
| Proxy | A lighter generated copy of heavy media used for smoother playback. |
| Compound clip | A section of timeline grouped into a single reusable media item. |
| Adjustment layer | A layer whose effects and grade apply to the clips below it. |
| Keyframe | A value set at a specific time to animate a property. |
| LUT | A lookup table (.cube) that applies a color transform. |
| Preflight | The readiness check that runs before an export starts. |

## Related

- [How Formats Studio works](https://formats.app/docs/concepts): The mental model: your agent and you on one timeline, local files and linked media, sequences, and frames.
- [Keyboard shortcuts](https://formats.app/docs/keyboard-shortcuts): Default shortcuts by group, plus how to search, rebind, and reset them.