$ ffmpeg -ss 0:20:00 -i Besprechung.mp4 -vframes 1 -q:v 2 output.jpg ffmpeg version 4.2.2 Copyright (c) 2000-2019 the FFmpeg developers built with Apple clang version 11.0.0 (clang-1100.0.33.17) configuration: --prefix=/usr/local/Cellar/ffmpeg/4.2.2_2 --enable-shared --enable-pthreads --enable-version3 --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-ffplay --enable-gnutls --enable-gpl --enable-libaom --enable-libbluray --enable-libmp3lame --enable-libopus --enable-librubberband --enable-libsnappy --enable-libtesseract --enable-libtheora --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxvid --enable-lzma --enable-libfontconfig --enable-libfreetype --enable-frei0r --enable-libass --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librtmp --enable-libspeex --enable-libsoxr --enable-videotoolbox --disable-libjack --disable-indev=jack libavutil 56. 31.100 / 56. 31.100 libavcodec 58. 54.100 / 58. 54.100 libavformat 58. 29.100 / 58. 29.100 libavdevice 58. 8.100 / 58. 8.100 libavfilter 7. 57.100 / 7. 57.100 libavresample 4. 0. 0 / 4. 0. 0 libswscale 5. 5.100 / 5. 5.100 libswresample 3. 5.100 / 3. 5.100 libpostproc 55. 5.100 / 55. 5.100 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Besprechung.mp4': Metadata: major_brand : mp42 minor_version : 0 compatible_brands: mp41isom creation_time : 2020-03-23T13:04:13.000000Z artist : Microsoft Game DVR title : Besprechung | Microsoft Teams Duration: 01:27:28.44, start: 0.000000, bitrate: 5175 kb/s Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1376x732 [SAR 1:1 DAR 344:183], 5039 kb/s, 30 fps, 60 tbr, 30k tbn, 59.94 tbc (default) Metadata: creation_time : 2020-03-23T13:04:13.000000Z handler_name : VideoHandler encoder : AVC Coding Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default) Metadata: creation_time : 2020-03-23T13:04:13.000000Z handler_name : SoundHandler Stream mapping: Stream #0:0 -> #0:0 (h264 (native) -> mjpeg (native)) Press [q] to stop, [?] for help [swscaler @ 0x116926000] deprecated pixel format used, make sure you did set range correctly Output #0, image2, to 'output.jpg': Metadata: major_brand : mp42 minor_version : 0 compatible_brands: mp41isom title : Besprechung | Microsoft Teams artist : Microsoft Game DVR encoder : Lavf58.29.100 Stream #0:0(und): Video: mjpeg, yuvj420p(pc), 1376x732 [SAR 1:1 DAR 344:183], q=2-31, 200 kb/s, 29.97 fps, 29.97 tbn, 29.97 tbc (default) Metadata: creation_time : 2020-03-23T13:04:13.000000Z handler_name : VideoHandler encoder : Lavc58.54.100 mjpeg Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 frame= 1 fps=0.0 q=2.0 Lsize=N/A time=00:00:00.03 bitrate=N/A speed=0.635x video:161kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown