March 23, 20263 min read

Trim Video Online Free — Cut Video Clips Instantly

Trim and cut video files online for free. Remove unwanted parts from MP4, AVI, MKV, MOV videos. No software needed, no watermarks.

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Cut Any Video to the Exact Length You Need

Need to remove the start, end, or middle of a video? MyPDF's Video Trimmer lets you cut videos to precise timestamps — no software to install, completely free.

How to Trim a Video Online

Step 1: Upload Your Video

Open the Video Trim tool and upload your video file (MP4, AVI, MKV, MOV, WebM, and more).

Step 2: Set Start and End Points

Use the timeline slider or type exact timestamps to mark the section you want to keep. Preview the selection before cutting.

Step 3: Trim and Download

Click "Trim Video" and download your cut clip. The original quality is preserved.

Common Reasons to Trim Videos

  • Remove dead air at the beginning or end of recordings
  • Extract a highlight from a long video (sports, gaming, meetings)
  • Cut to platform limits — Instagram Reels (90s), TikTok (10min), Twitter (2:20)
  • Remove mistakes from screen recordings or presentations
  • Create short clips from lectures or webinars for sharing

Social Media Video Length Limits

PlatformMax Length
Instagram Reels90 seconds
TikTok10 minutes
Twitter/X2 minutes 20 seconds
YouTube Shorts60 seconds
WhatsApp Status30 seconds
LinkedIn10 minutes

Tips for Better Trimming

  1. Trim before compressing — trim first to remove unwanted footage, then compress the shorter clip for even smaller files
  2. Extract audio first — if you only need the audio, use MP4 to MP3 instead of trimming
  3. Merge trimmed clips — use Video Merge to combine multiple trimmed clips into one
  4. Add subtitles — after trimming, use Subtitle Burn-in for social media clips

Frequently Asked Questions

Does trimming reduce video quality?

No. MyPDF trims at the container level where possible, preserving the original encoding and quality.

What video formats are supported?

MP4, AVI, MKV, MOV, WebM, WMV, FLV, 3GP, and more.

Can I trim multiple sections from one video?

Trim once, download, then trim again — or use Video Split to divide into multiple clips at once.

Is there a file size limit?

Videos up to 50MB can be uploaded.

Is it free?

100% free — no sign-up, no watermarks, no limits.
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