Drop video here or click to upload
Supports MP4, MOV, WebM | Max 500MB
Videos are trimmed entirely in your browser. Nothing is uploaded to any server.
Frame-accurate trimming with visual timeline and preview controls.
No library loading required. Start trimming immediately after upload.
No limits, no watermarks, no signup required. Trim unlimited videos.
Use Video Trim when you need to remove dead air, isolate a highlight clip, or prepare social cutdowns. If you want the trimmed moment as a loop, continue with Video to GIF. If the final clip is still too large, continue with Video Compress.
No-upload workflow: raw edits, internal demos, and private recordings stay local while you cut them down.
Yes. It's one of the best use cases — trimming a long recording down to a short highlight, teaser, or platform-length edit.
Cut and trim videos online free with FreeToolBox — remove unwanted sections from the beginning, middle, or end of any video clip right in your browser. Whether you need to cut dead air at the start of a screen recording, trim a long clip down to a social-media-ready length, or extract a highlight moment, our Video Trimmer uses FFmpeg.wasm for precise cuts. Set start and end points visually on the timeline.
All trimming happens locally in your browser using WebAssembly — your video never leaves your device. The trimmed output has no watermarks. Completely free, no account required.
FFmpeg can trim at keyframe boundaries without re-encoding (stream copy), which is instantaneous. For precise cuts between keyframes, a short re-encode of the transition segment is needed.
Yes. Use multi-cut mode to define multiple segments to keep. The tool extracts each segment and joins them, effectively removing sections between them.
MP4, MOV, WebM, AVI, and MKV as input. Output is MP4 (H.264) for maximum compatibility.
No. FFmpeg.wasm trims your video entirely in the browser. Your file stays on your device and is never sent to any server.
Video is stored as a sequence of frames, but not every frame is a full image — most frames only describe the difference from the one before it. Every so often a keyframe stores the full picture. When you cut at a keyframe, the tool can copy the data through without re-encoding, which is effectively instant and loses no quality. When you cut between keyframes, the encoder must rebuild those in-between frames, which takes a bit longer and recompresses that segment. If precision matters more than speed, a precise cut is worth the extra seconds.
Most people think of trimming as removing the start or the end — dead air at the beginning of a screen recording, or trailing silence at the end of an interview. But the more valuable use is removing a mid-section you do not want, like a mistake retake or a long pause. That requires defining multiple segments to keep rather than a single start and end point. It is worth thinking about what you are keeping, not just what you are removing, so the joined result flows naturally without an abrupt jump.
Every re-encode of a video degrades it slightly. That is why the best practice is to trim, but not cut, your source precisely rather than exporting a trimmed version and then compressing that again. Working from a clean master file and trimming once keeps the output as close to the original as possible. After the trim, spot-check the frames right at each cut point — not the whole clip — to confirm there is no dropped frame or jump, then keep the source until the final version is verified.