Edit video & audio right in your browser.

Resize Options

Platform preset

Optimised dimensions for top social platforms.

Width (px)

Height (px)

Fit & pad (letterbox, keep all content) Fill & crop (no black bars) Stretch

Merge Options

Upload two or more videos below — they will be concatenated in upload order into a single MP4 file. Videos are re-encoded so codecs match.

Output resolution Keep first video's size 1080p Landscape (1920 × 1080) 720p Landscape (1280 × 720) Portrait (1080 × 1920) Square (1080 × 1080)

Output filename

Split Options

Interval (seconds)

Each chunk will be at most this long.

Re-encode Fast (stream copy — may be inaccurate on keyframes) Accurate (re-encode, slower)

Compress Options

Quality Very High (CRF 18) Balanced (CRF 23) High compression (CRF 28) Max compression (CRF 32)

Lower CRF = larger file + better quality.

Dimensions Keep original 1080p (1920 × 1080) 720p (1280 × 720) 480p (854 × 480) 360p (640 × 360) Custom…

W

H

Audio Extract Options

Output format MP3 (compressed, widely supported) AAC/M4A (compressed) WAV (uncompressed, lossless)

Bitrate (MP3 / AAC) 320 kbps (best) 192 kbps 128 kbps 96 kbps (smallest)

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