To avoid an extra black frame in a DaVinci Resolve export, set the Out point on the last picture frame you want to include. If the playhead is already on the first unwanted black frame, press Left Arrow once, check the picture, then press O.

This workflow is for a Mac editor exporting one continuous section of a timeline. The navigation and render controls below are documented in the DaVinci Resolve 21.1 Reference Manual; Blackmagic’s Editor’s Guide to Resolve 20 explicitly explains the inclusive Out-point behavior. Keyboard shortcuts assume the documented mappings. DaVinci Resolve 21.1 Reference Manual, The Editor’s Guide to DaVinci Resolve 20.

Why an Out point can include one unwanted frame

Resolve includes the frame beneath the playhead when you mark an Out point. Blackmagic explains that an In point sits at the beginning of the current frame, while an Out point sits at its end. Marking both on the same frame therefore selects one frame. See Lesson 1, “Backtiming Edits,” in The Editor’s Guide to DaVinci Resolve 20.

This distinction matters at a cut. The first frame after the picture ends is a different position from the last frame of the picture. If that next frame is black and you press O there, the selected range includes it. The unwanted frame follows from where you marked the endpoint.

Use the viewer to choose the final image before judging the highlighted range in the ruler. An Out marker extending to the right of the playhead can be consistent with including the current frame. Moving it backward without checking the image could remove a frame you intended to keep.

Set the Out point on the last wanted picture frame

Start on the Edit page with the intended timeline open. Click in the timeline so your navigation and marking commands apply there. Resolve distinguishes between source and timeline In/Out points, so confirm that the range appears on the timeline ruler. The manual describes these controls in Chapter 42, “Preparing Clips for Editing and Viewer Playback.” DaVinci Resolve 21.1 Reference Manual.

  1. Move near the end of the section you want to export.
  2. Use Left Arrow and Right Arrow to inspect adjacent frames. These move the playhead one frame at a time.
  3. Find the last frame you want in the finished file. If you are on the first unwanted black frame immediately after it, press Left Arrow once.
  4. Check the timeline viewer. It should show your intended final image.
  5. Press O to mark the timeline Out point.
  6. Move to the first frame you want to include and press I to mark the In point.
  7. Press Shift-O to return to the marked Out point and check the final image again. These navigation shortcuts are documented in DaVinci Resolve 21.1 Reference Manual, Chapter 42.

The one-frame correction applies when you have identified exactly one unwanted frame after your intended ending. If the viewer is already showing the correct final frame, press O there. If several unwanted black frames precede the playhead, stepping back once will leave some of them inside the range.

Use Last Frame when the ending matches a clip boundary

If you want to end exactly on a clip’s final frame, first place the playhead inside that clip. Choose Playback > Go To > Last Frame, or use the documented Apostrophe shortcut, then press O. Blackmagic’s training guide distinguishes this command from jumping to the next edit: Last Frame lands on the current clip’s final frame, while the next edit can land on the following clip’s first frame. The Editor’s Guide to DaVinci Resolve 20, Lesson 1.

On a layered timeline, check which clip the command targets. The same guide notes that reaching clips above Video 1 can require disabling Auto Track Selectors on lower tracks. For a simple endpoint correction, manually stepping through the final composite picture avoids relying solely on the clip-boundary command.

Make the export use the corrected range

Open the Deliver page and configure the export as Single Clip when you want one continuous movie. This choice matters for precise excerpts: the Resolve 21.1 manual says Individual Clips mode snaps In/Out points to clip boundaries and cannot render partial clips; Single Clip mode supports partial-clip ranges. DaVinci Resolve 21.1 Reference Manual, Chapter 187, “Rendering Media”.

  1. In the Deliver timeline’s Render dropdown, check that In/Out Range is selected for your marked section.
  2. Inspect the range’s In, Out and Duration values. The manual identifies these as the first frame, last frame and total frame count to render.
  3. Confirm your filename, destination and export settings.
  4. Click Add to Render Queue, then render the intended job. Blackmagic documents custom ranges and this queue workflow in The Colorist Guide to DaVinci Resolve 20, Lesson 10, “Delivering Projects”; the range fields are described in the Resolve 21.1 Reference Manual.

If you added a render job before correcting the endpoint, update that job explicitly. Click its pencil button, which reloads the job’s settings and selected timeline range. Correct the endpoint, verify the range, then click Update Job. Alternatively, add a new job with the corrected settings. This prevents an earlier queued range from remaining your export target. DaVinci Resolve 21.1 Reference Manual, Chapter 187.

Use Entire Timeline when the whole timeline is your intended deliverable. Resolve documents that option separately from a custom range; it appears when clips are not filtered. If necessary, choose All Clips from the Timeline Filter dropdown. Entire Timeline does not let a shortened In/Out range define the ending, so it is unsuitable when you deliberately need an excerpt. DaVinci Resolve 21.1 Reference Manual, Chapter 187.

Check the endpoint with a frame-count example

Consider an illustrative timeline running at exactly 25 frames per second. Your chosen section starts at 01:00:00:00, and the first unwanted black frame is at 01:00:10:00. The last wanted frame is therefore 01:00:09:24. This is a worked example, not a measurement from a particular project.

Marked In Marked Out Included frames Result in this example
01:00:00:00 01:00:09:24 250 Ten seconds, ending on the wanted picture
01:00:00:00 01:00:10:00 251 Includes the following black frame

The calculation is last frame index − first frame index + 1 because both endpoint frames are included. At exactly 25 fps, the extra frame adds 0.04 seconds. This example uses an integer frame rate for clarity; use your own timeline’s frame rate and displayed frame count when checking a real export.

Verify the exported ending on your Mac

For a file that QuickTime Player can open, inspect the actual export as well as the timeline. Open it with Command-O, move near the ending and pause. Apple documents Left Arrow as stopping playback and moving back one frame, and Right Arrow as stopping playback and moving forward one frame. Step through the final pictures to check whether an unwanted black image is present. Keyboard shortcuts and gestures in QuickTime Player on Mac.

If the result still ends incorrectly, use these observations to choose your next action. They are a diagnostic sequence derived from the endpoint and render-range behavior above:

What you observe What to check next
The marked Out frame is black, and the preceding frame is wanted picture Step back once and mark O again.
Several black frames occur before the marked Out point Locate the actual last wanted image rather than subtracting only one frame.
The timeline endpoint is correct, but the exported duration still reflects the earlier range Reload the queued job and check its stored range before updating it.
Your custom endpoint is ignored Check for Entire Timeline or Individual Clips mode.
A wanted audio ending continues after the picture Decide whether to retain a visual ending through that audio or shorten the export; moving O earlier changes the delivered range.

Before rendering again, inspect the marked final image and the job’s range together. The reliable habit is to mark O while looking at the last frame you want the viewer to see, then verify that the queued export uses that endpoint.

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