Free online video tools: crop, trim, compress, convert

Cut a video down to the part you need, crop it to a square or an upright shape, make it small enough for an e-mail or a chat app, or convert it to a format your phone, editor or website accepts. Older and less common formats are converted too: AVI, WMV, FLV, 3GP, DVD VOB files, MPEG transport streams from camcorders, DV, MXF and RealMedia.

Where it can, a tool copies the video and sound instead of re-encoding them, which is fast and loses nothing: an MKV becomes an MP4 in seconds, a trim can cut on keyframes, and the sound can be taken out exactly as it was recorded. You can also save the sound alone as MP3, WAV or FLAC, reverse a clip, speed it up or slow it down, rotate or flip it, or raise its frame rate to 60 fps with newly calculated in-between frames.

Exports from security cameras and recorders that won't play, such as Dahua .dav files, Hikvision .mp4 files and .264 recordings, become MP4 with their sound, their real speed and the recording time.

Nothing needs to be installed, and your videos are deleted as soon as the job is done.

• Video Converter (Beta)

  Convert videos to MP4, WebM, MKV, MOV, AVI, WMV, FLV, 3GP, DVD MPEG or GIF, including old formats such as VOB, RM, DV and MXF.

  Opens MP4, M4V, MOV, MKV, WebM, AVI, WMV, ASF, FLV, F4V, 3GP, 3G2, MPEG, VOB, TS, M2TS, MTS, OGV, DV, MXF, RM, RMVB, Y4M → saves MP4, WebM, MKV, MOV, AVI, WMV, FLV, 3GP, MPG, OGV, GIF

  Popular: Convert MKV to MP4 · Convert AVI to MP4 · Convert MOV to MP4 · Convert WMV to MP4 · Convert FLV to MP4 · Convert 3GP to MP4 · Convert VOB to MP4 · Convert TS, MTS and M2TS to MP4 · Convert WebM to MP4 · Convert MP4 to WebM

• Video Compressor (Beta)

  Make videos smaller: pick a quality, or a target file size in MB, and choose H.264, H.265, VP9 or AV1.

  Opens MP4, M4V, MOV, MKV, WebM, AVI, WMV, ASF, FLV, F4V, 3GP, 3G2, MPEG, VOB, TS, M2TS, MTS, OGV, DV, MXF, RM, RMVB, Y4M → saves MP4, WebM

  Popular: Compress a Video to 25 MB for E-mail · Compress a Video to 10 MB · Compress a Video to 8 MB · Compress MP4 Videos · Compress Video with H.265 (HEVC)

• Video Trimmer (Beta)

  Cut a video down to the part you need: choose a start and an end, and keep the clip without re-encoding or with a frame-exact cut.

  Opens MP4, M4V, MOV, MKV, WebM, AVI, WMV, ASF, FLV, F4V, 3GP, 3G2, MPEG, VOB, TS, M2TS, MTS, OGV, DV, MXF, RM, RMVB, Y4M → saves MP4, MOV, MKV, WebM, AVI, WMV, FLV, 3GP, MPG, TS, OGV, DV

  Popular: Cut a Video Without Re-encoding · Trim an MP4 Video

• Video Cropper (Beta)

  Cut away the edges of a video: keep any area of the picture, or a square, vertical or widescreen part of it, with the sound.

  Opens MP4, M4V, MOV, MKV, WebM, AVI, WMV, ASF, FLV, F4V, 3GP, 3G2, MPEG, VOB, TS, M2TS, MTS, OGV, DV, MXF, RM, RMVB, Y4M → saves MP4, MOV, MKV, WebM

  Popular: Crop a Video to a Square (1:1) · Crop a Video to Vertical 9:16

• Extract Audio from Video (Beta)

  Take the sound out of a video and save it as MP3, M4A, WAV, FLAC, OGG or Opus, unchanged when possible. Converts audio files too.

  Opens MP4, M4V, MOV, MKV, WebM, AVI, WMV, FLV, 3GP, MPEG, VOB, TS, MTS, OGV, DV, MXF, RM, MP3, M4A, AAC, WAV, FLAC, OGG, Opus, WMA, AIFF → saves MP3, M4A, WAV, FLAC, OGG, Opus

  Popular: Convert MP4 to MP3 · Convert Video to MP3 · Convert MP4 to WAV · Extract Audio from Video Without Re-encoding

• Video Effects (Beta)

  Reverse a video, speed it up or slow it down, make a boomerang, loop, rotate or flip it, remove the sound, or change its colours.

  Opens MP4, M4V, MOV, MKV, WebM, AVI, WMV, ASF, FLV, F4V, 3GP, 3G2, MPEG, VOB, TS, M2TS, MTS, OGV, DV, MXF, RM, RMVB, Y4M → saves MP4, M4V, MOV, MKV, WebM, AVI, WMV, ASF, FLV, 3GP, 3G2, MPG, TS, M2TS, OGV

  Popular: Reverse a Video: Play It Backwards · Speed Up a Video · Slow Down a Video · Rotate a Video 90 or 180 Degrees · Flip or Mirror a Video · Remove the Sound from a Video · Make a Boomerang Video · Make a Video Black and White

• CCTV Footage to MP4 (Beta)

  Turn security camera and DVR exports that won't play (Dahua .dav, Hikvision .mp4, XMeye and SD-card .264 files) into MP4 with the right speed, sound and recording time.

  Opens DAV, Hikvision MP4, H.264, H.265, LVF, AVI, MP4, ZIP → saves MP4

  Popular: Convert DAV Files to MP4 (Dahua .dav) · Hikvision MP4 Won't Play? Convert It to Real MP4 · Convert CCTV .264 / .h264 Files to MP4 · Convert XMeye .h264 Recordings to MP4 · CCTV Footage for the Police, Insurers or WhatsApp

• Frame Rate Converter (Beta)

  Make videos and GIFs smoother: raise the frame rate to 30, 50 or 60 fps with new in-between frames, or make smooth slow motion.

  Opens MP4, M4V, MOV, MKV, WebM, AVI, WMV, ASF, FLV, F4V, 3GP, 3G2, MPEG, VOB, TS, M2TS, MTS, OGV, DV, MXF, RM, RMVB, Y4M, GIF → saves MP4, MOV, MKV, WebM, GIF

  Popular: 60 fps Converter: Convert Video to 60 fps · Smooth Slow Motion from Any Video

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