# Edit on the timeline Add rows, move, trim and cut clips, zoom, snap, set keyframes and add markers on the AI Editor timeline. Source: https://infinall.ai/docs/ai-editor/timeline Last checked: 2026-10-26 ## What it is The timeline is the strip at the bottom of the AI Editor. Every clip, text and sound sits on a row. You move, trim and cut clips here, and you scrub the playhead to see any moment in the player. ## Who can use it Everyone. The app does not check your plan for the timeline, so Free and Pro get the same tools. The editor needs a screen at least 1,024 pixels wide. On a smaller screen it asks you to open infinall.ai on a laptop or desktop. The **Pro tools** switch on the timeline is not a plan. It only shows or hides extra tools, and everyone can turn it on. ## Cost Free, no credits. Editing on the timeline never uses credits. ## Where to find it Open **AI Editor** in the sidebar and open a project. The timeline fills the bottom of the editor, under the player. Its tools are in the bar at the top of the timeline. ## Buttons and controls The numbers below match the screenshot, which is taken with **Pro tools** switched on. With **Pro tools** off you only see numbers 1 to 5, 11 to 13, 17 and 18. | # | Name in the app | What it does | Plan | | --- | --- | --- | --- | | 1 | Undo | Takes back your last change. The tooltip shows the key. | Both | | 2 | Redo | Puts back what you undid. | Both | | 3 | Cut | Splits the selected clip at the playhead line. It is grey until the line is on a selected clip. This is not the clipboard cut. | Both | | 4 | Copy | Makes a copy of the selected clip right away, next to the original. It does not use the clipboard. | Both | | 5 | Delete | Deletes the selected clips. | Both | | 6 | Remove everything before the line (Q) | Trims the start of the selected clip to the playhead. Shows with **Pro tools** on. | Both | | 7 | Remove everything after the line (W) | Trims the end of the selected clip to the playhead. Shows with **Pro tools** on. | Both | | 8 | Delete and close the gap | Ripple delete. It deletes the clip and slides later clips left to close the gap. Shows with **Pro tools** on. | Both | | 9 | Add row | A menu to add a new row: **Track**, **Dialogue**, **Music** or **Captions**. Shows with **Pro tools** on. | Both | | 10 | All rows | Opens the **Track Layers** panel to search, rename, duplicate, delete, hide, mute, solo, lock and reorder rows. Shows with **Pro tools** on. | Both | | 11 | Show more of the video | Zooms the timeline out. | Both | | 12 | Zoom the timeline | The zoom slider. | Both | | 13 | Show more detail | Zooms the timeline in. | Both | | 14 | Clips stick together | Turns snapping on or off. The tooltip says on or off. Shows with **Pro tools** on. | Both | | 15 | Make rows smaller | Switches between small and big row height. The tooltip reads **Make rows bigger** once rows are small. Shows with **Pro tools** on. | Both | | 16 | Make the timeline bigger | Makes the timeline fill more of the editor. The tooltip reads **Normal size** once it is big. Shows with **Pro tools** on. | Both | | 17 | Pro tools | A switch. On shows the extra tools in 6 to 10 and 14 to 16. The app remembers your choice. | Both | | 18 | Add track | The dashed plus button under the row names. It adds a new row. | Both | | | Select all captions (N) | Shows only when the Captions row has two or more captions. It selects them all. | Both | ### On each row The left side of every row is its header. Drag a header up or down to reorder rows. | Name in the app | What it does | Plan | | --- | --- | --- | | Row name | Double-click to rename. Press Enter to save or Esc to cancel. | Both | | Hide track / Show track | The eye. It hides or shows the row in the player. Only on rows with video, image or other visual items. | Both | | Mute / Unmute (row name) | The speaker. Only on rows with sound. | Both | | Hear only (row name) / Hear all rows again | The headphones. Solo: plays only this row. | Both | | Lock row / Unlock row | Locks the row so its clips cannot be changed. | Both | | Track is grouped | A small link icon. It shows when the row is grouped with another. | Both | | Options for (row name) | A three dots menu that replaces the icons on a narrow editor. | Both | ### Right-click menus Right-click a row header for: **Rename Track**, **Remove Gaps** (grey when there is no gap), **Ungroup Track** (only when grouped), **Group with** (another row name) under **Move & trim together**, and **Delete Track**. Right-click a video, image or audio clip for: **Copy Clip**, **Duplicate**, **Select All Clips on Track**, **Split at Playhead**, **Close Gap to Previous**, **Copy Effects** and **Paste Effects** (video and image), **Separate Audio** (video with sound), **Copy Audio Effects** and **Paste Audio Effects** (audio), **Ripple Delete** and **Delete**. Right-click a text, shape, SVG or sticker clip for: **Duplicate**, **Select All Clips on Track** (or **Select All Captions** on a caption), and **Delete**. ## How to cut and trim a clip 1. Click the clip to select it. 2. Click the ruler or drag the playhead to the moment you want. 3. Choose **Cut** to split the clip in two at the line. 4. To shorten a clip instead, drag the thin handle on its left or right edge. The handles are named **Trim start of** and **Trim end of** the clip. Or turn on **Pro tools** and use **Remove everything before the line (Q)** or **Remove everything after the line (W)**. Locked rows cannot be edited. Unlock the row first. ## How to move clips 1. Drag a clip left or right to change when it plays. Drag it up or down to move it to another row. 2. Hold Shift, Cmd or Ctrl and click more clips to move several at once. 3. To select many clips, drag a box on an empty part of the timeline. Hold Shift, Cmd or Ctrl to add to what is selected. 4. A red ring on the clip means you cannot drop it there. 5. To close a gap, right-click the clip and choose **Close Gap to Previous**, or right-click the row name and choose **Remove Gaps**. There is no ripple move mode. Gaps close only with the commands above or with ripple delete. ## How to add, lock, mute, hide and reorder rows 1. Turn on **Pro tools** and choose **Add row**. Pick **Track**, **Dialogue**, **Music** or **Captions**. The plus button under the row names adds a plain row. 2. Use the icons on the row header: the eye to hide, the speaker to mute, the headphones to solo, the lock to lock. 3. To reorder, drag a row header, or open **All rows** and use **Move (row name) up** and **Move (row name) down**. 4. In **All rows** you can also search the **Search tracks** box, filter by **All**, **Video**, **Image**, **Audio**, **Text** or **Graphics**, and choose **Rename**, **Duplicate** or **Delete** for a row. 5. Deleting from **All rows** asks first: "Delete (row name)?", with the note "Its clips will be removed. You can undo this action." Choose **Delete track** to confirm or **Cancel**. **Delete Track** in the row header right-click menu deletes at once. Use **Undo** if you change your mind. ## How to zoom and snap 1. Use **Show more of the video** and **Show more detail**, or drag **Zoom the timeline**. 2. Hold Cmd or Ctrl and scroll the mouse wheel over the timeline to zoom around your pointer. Hold Shift and scroll to move sideways. 3. Press Cmd or Ctrl and 0 to fit the whole video in view. 4. With **Pro tools** on, use **Clips stick together** (key N) to turn snapping on or off. When on, a clip being moved snaps to the edges of other clips, the playhead and a one second grid, and a guide line shows where it will land. ## How to add keyframes Keyframes make a clip change over time, for example fade in or slide across. 1. Select a clip, then open the inspector's **Motion** view. 2. In the **Keyframes** section, under the heading **Animate Property**, choose the button that reads **Select Property**. Pick a property: **Position X**, **Position Y**, **Scale X**, **Scale Y**, **Rotation**, **Opacity**, **Brightness**, **Contrast**, **Saturation**, **Blur**, **Volume** or **Pan**. 3. Move the playhead to the moment you want. 4. Choose **Add Keyframe at** that time. The button reads **Keyframe exists at** that time if there is already one. 5. Change the value next to the time in the **Keyframes** list, or use the easing button for that keyframe. Use the trash button, named **Delete keyframe**, to remove it. 6. Small yellow diamonds show along the bottom of a clip that has keyframes. For a graph, select the clip and open **More options** at the bottom of the player, then **Animation editor**. See the options below. ## How to add and use markers 1. Move the playhead to a moment. 2. Press M. A blue flag called **Marker 1**, **Marker 2** and so on appears on the timeline. 3. Click a flag to jump to it. Double-click to rename it: type in the **Marker label** box, press Enter to save or Esc to cancel. 4. Hover a flag and choose **Remove marker** (the small x) to delete it. ## Options explained **Zoom.** The slider runs from 10 to 500 pixels for each second of video. A new project starts at 50. **Snapping.** Snapping pulls a clip when it comes within 40 pixels of an edge, the playhead or a grid line. The grid is 1 second apart. You cannot change these from the screen. **Row types in Add row.** **Track** is a plain row. **Dialogue**, **Music** and **Captions** are plain rows with that name and role. **Animation editor.** The panel is titled **Keyframe Editor**. It has a **Property** menu, **Copy**, **Paste** and **Delete** buttons, a graph where you drag points, and a list with Time, Value and Easing. Click keyframes to select them, then use the **Easing** menu below to change how they move. Its list has **Linear**, **Ease In**, **Ease Out** and **Ease In Out**, then the same three steps for **Cubic**, **Quart**, **Back**, **Elastic** and **Bounce**, for example **Ease In Cubic**. **Close keyframe editor** closes it. The line "N keyframes selected" shows how many are picked. **Easing in the inspector.** The easing button on each keyframe offers a longer list in groups: **Basic**, **Quad**, **Cubic**, **Quart**, **Quint**, **Sine**, **Expo**, **Circ**, **Back**, **Elastic** and **Bounce**. **Basic** includes linear and hold. **New text.** Pressing T adds a title for 5 seconds at the playhead. ## Limits - Zoom runs from 10 to 500 pixels per second. - Snap distance is 40 pixels. - Imported files can be up to 500 MB each. See [import media](/docs/ai-editor/import-media). ## When something goes wrong | Message in the app | What it means | What to do | | --- | --- | --- | | Cut, Copy or Delete are grey | Nothing is selected, or the playhead is not on the selected clip. | Click a clip. For **Cut**, put the playhead line on the clip. | | A clip will not move or trim | Its row is locked. | Choose **Unlock row** on the row header. | | Delete (row name)? Its clips will be removed. | You asked to delete a row in **All rows**. | Choose **Delete track** to confirm, or **Cancel**. | | No tracks match your filters | The search or type filter hides every row. | Clear the **Search tracks** box and choose **All**. | | No keyframes on this clip yet | The clip has no keyframes. | Add one in the inspector's **Keyframes** section. | | Select a clip with keyframes to edit | Nothing is selected for the Animation editor. | Select a clip first. | | Select a clip first | The **Animation editor** entry is grey. | Select a clip on the timeline. | | Cut clips failed, Paste clips failed and similar | A shortcut edit could not finish. The message ends with the reason, or "Please try again." | Try again. Use **Undo** if the timeline looks wrong. | ## Questions ### Is the timeline free? Yes. It uses no credits, and Free and Pro have the same tools. ### What is the Pro tools switch? It shows or hides extra tools: trim to the playhead, ripple delete, **Add row**, **All rows**, snapping, row size and timeline size. Anyone can turn it on, on any plan. ### Why is the Cut button different from Cmd+X? The **Cut** button splits a clip at the playhead. Cmd or Ctrl and X cuts the selected clips to the clipboard. The **Copy** button makes a copy of the clip at once, while Cmd or Ctrl and C copies to the clipboard. See [editor shortcuts](/docs/ai-editor/editor-shortcuts). ### How do I undo a mistake? Choose **Undo** in the timeline bar or the top bar, or press Cmd or Ctrl and Z. See [projects, history and undo](/docs/ai-editor/projects-history-undo). ### Can I see keyframes as a track under the clip? Not in the current screen. Keyframes show as small diamonds on the clip. Use the inspector's **Keyframes** section to edit them, or the **Animation editor** to see the graph. ### Where do I add text and sound? Text goes on its own row. See [text and captions](/docs/ai-editor/text-and-captions) and [audio](/docs/ai-editor/audio).