Basic video editing: cut, crop, speed and rotate
Short answer
Core editing tasks such as cutting, trimming, audio levels and fixing common mistakes.
22 articles
- How-to
How to crop a video in CapCut (free or fixed ratio)
Crop a video in CapCut with the Crop button on desktop (Free, 9:16, 3:4, 1:1) or Edit > Crop on mobile. Also when to change the project ratio instead.
- How-to
How to crop a video in DaVinci Resolve (Inspector or on-screen)
Crop a video in DaVinci Resolve with Inspector > Cropping (Left, Right, Top, Bottom plus Softness) or the Transform and Crop button below the viewer.
- How-to
How to crop a video in Premiere Pro (Crop effect, 3 steps)
Crop a video in Premiere Pro with Video Effects > Transform > Crop, drag the handles in the Program Monitor, then scale to fill. Cropping vs aspect ratio.
- How-to
How to cut a clip in DaVinci Resolve (Blade, Ctrl-B, Ctrl-\)
Split at the playhead with Ctrl-B (Razor) or Ctrl-\ (Split Clip), click with Blade mode (B), then ripple delete. Cutting audio only and all tracks at once.
- Fix
Facebook video no sound? Settings and fixes by device
Facebook reels can start muted by setting. Turn on Reels start with sound, check the file's audio (AAC stereo 44.1 kHz) and rule out browser or phone audio.
- How-to
How to flip a video in Premiere Pro (mirror horizontally)
Apply Horizontal Flip to mirror a clip left to right, or Vertical Flip to turn it upside down. Watch for mirrored text, and how flip differs from rotate.
- Fix
Instagram Reel has no sound after posting? Muted audio fixes
"Audio unavailable" means rights muted the track; silent original audio is usually the file. How to replace muted audio once, and what to export instead.
- Fix
No sound plays back - causes and fixes
No sound after upload usually means the player is muted or the export dropped the audio stream. Check the original file first, then the conversion and upload.
- Fix
Muted a video by mistake? How to get the sound back
Tell a muted player from a muted file. Unmute the app, recover audio from the original or project, and check with ffprobe that the file has an audio stream.
- How-to
How to rotate a video in CapCut (90°, any angle, mirror)
Rotate a video in CapCut with Edit > Rotate on mobile, 90 degrees per tap, or the Video panel on desktop. Mirror flips the clip; fill the frame afterwards.
- How-to
How to rotate a video in DaVinci Resolve (90°, flip, fill)
Set Rotation Angle in the Inspector's Transform (90, -90, 180), flip with the Flip Image buttons, then fill the frame. Fixing sideways phone clips.
- How-to
How to rotate a video in Premiere Pro (90°, 180° or any angle)
Rotate a video in Premiere Pro with Motion > Rotation in Effect Controls (90, 180 or any angle), then fix the frame so a turned phone clip fills the screen.
- How-to
How to separate audio from video in DaVinci Resolve (unlink)
Right-click the clip and untick Link (Option-Command-L or Ctrl-Alt-L) to split audio from video. How to select one part, relink, and export the audio alone.
- How-to
How to separate audio from video in Premiere Pro (unlink)
Separate audio from video in Premiere Pro with Clip > Unlink, or Extract Audio to make a separate file. How to move, delete and re-sync each part.
- How-to
How to cut or split a clip in Premiere Pro (Razor tool, Ctrl-K)
Split at the playhead with Ctrl-K (Cmd-K), click with the Razor tool (C), then ripple delete the gap. Cutting only audio or video, and every track at once.
- How-to
How to split a video in CapCut (phone, PC, auto Split scenes)
Move the playhead, tap Split (Ctrl-B on PC), delete the piece you don't need. Plus CapCut's automatic Split scenes and splitting audio separately.
- Fix
Video and audio out of sync? Find the cause and fix it
Drift that grows means variable frame rate or a frame-rate mismatch; a constant offset means an edit or player delay.
- Fix
No sound on LinkedIn videos? Fixes for every device
LinkedIn feed videos autoplay muted. Unmute the player, the browser tab and your device; fix LinkedIn Learning audio.
- Fix
No sound on an X video? Check the player, then the file
Why an X video plays silent: muted autoplay, device volume, a missing audio stream or an unsupported codec. How to check each and what to export.
- Fix
Instagram Reel sideways or upside down? Fix the rotation flag
Sideways Reels are usually a rotation flag that the app or a converter ignored. Burn the rotation into the pixels and re-export a true 1080×1920 file.
- Fix
Why is my TikTok video muted? Music rights and fixes
TikTok mutes sounds that aren't licensed for your account or that match copyrighted music. Business-account rules, the long-video sound limit, and file fixes.
- Fix
Video playing sideways or upside down? Fix the rotation for good
Sideways playback is usually a rotation flag that a player or converter ignores. Rotate and re-export so the pixels are upright and every app plays it alike.