Ffmpeg lossless trim Its a simple and efficient tool that allows users to quickly trim and cut videos without re-encoding, as well mix and merge multiple sources. If you have the ability to record in a different format amenable to this trim/cut process you describe, then the best Jan 23, 2017 · Losslessly trim in time videos with FFmpeg January 23, 2017 Trim from time to end of video–discard beginning of video. LosslessCut aims to be the ultimate cross platform FFmpeg GUI for extremely fast and lossless operations on video, audio, subtitle and other related media files. VideoTap has an amazing feature called Clips, which allows you to highlight parts of the transcript of a Mar 17, 2025 · Open Source Lossless Trimming Tools Created: 17 March 2025 Hits: 8661 video evidence ffmpeg Shutter Encoder Video processing Video Editing Open Source VirtualDub lossless cut Lossless trim Mar 17, 2025 · Open Source Lossless Trimming Tools Created: 17 March 2025 Hits: 8588 video evidence ffmpeg Shutter Encoder Video processing Video Editing Open Source VirtualDub lossless cut Lossless trim Oct 7, 2023 · Lossless Cut is probably the simplest way to cut out parts of a video without having to re-encode it or use an online service. ss for the cut. rickmakes. It is open source, free and available for all platforms. How can I to do that using FFmpeg? Jan 12, 2012 · Install ffmpeg Make sure you download a recent version of ffmpeg, and don't use the one that comes with your distribution (e. Cutting video LosslessCut aims to be the ultimate cross platform FFmpeg GUI for extremely fast and lossless operations on video, audio, subtitle and other related media files. Easy automation – With the command line interface, it‘s trivial to script and batch process video edits with ffmpeg. The loss would result from the JPEG decoding and re-encoding done by ffmpeg. May 21, 2025 · LosslessCut is a free and open-source GUI front-end for the FFmpeg CLI tool, providing a seamless experience for converting, trimming, merging, extracting, and more with media files. mp4 (at a frame precision), but the result I obtain is far from being perfect. We used FFmpeg as well as SoX to trim an MP3 track. However, FFmpeg cannot cut at exact points in time unless it re-encodes the video. Apr 4, 2021 · Video notes: https://www. Lastly, we covered mp3splt to create many tracks from an MP3 file using specific criteria. It lets you quickly extract the good Mar 12, 2025 · A new version of Lossless Cut Portable has been released. Or compile it yourself. 4 versions one may use -aom-params lossless=1 for lossless output. The swiss army knife of lossless video/audio editing LosslessCut aims to be the ultimate cross platform ffmpeg GUI for extremely fast and lossless operations on video, audio, subtitle and other related media files. 5. avi Unfortunately this leaves some black frames in the beginning of my output How to Cut or Trim Videos Using FFmpeg | Simple and Fast Video Editing TutorialIn this FFmpeg tutorial, you’ll learn how to cut or trim videos quickly and ea Mar 8, 2011 · Then use them to trim in AVS or whatever even FFMpeg would be ok. 6 -i myinput. The swiss army knife of lossless video/audio editing. Dec 28, 2022 · I would like to cut a song from 1:45 to the end (I mean, I would like to keep only the part from 0:00 to 1:45). If you feel uncomfortable with FFmpeg, you can utilize this tool for multimedia processing. mp4 -t 23 -c:v libx264 -c:a copy -preset ultrafast -crf 0 output. It lets you quickly extract the good Sep 4, 2020 · Need to know how to compress output video using FFMPEG along with trim command. org :: Revision: Jan 2017 - v0. Avidemux is my tool of choice for making keyframe-based lossless clips from gameplay recordings because of the visualized video, jump to keyframe buttons, and frame step buttons. Is there any lossless-cut alternative (a software that allows to trim video without reencoding) that supports x265 videos? Lossless encoding Use -crf 0 for lossless encoding. Oct 11, 2016 · ffmpeg -y -ss 00:00:01 -i VideoOut. Lossy codecs like h264 (usually) use a series of keyframes and then encode intermediate frames as diffs between current frame and the previous frame. When I tried this command ffmpeg -ss 132 -t 139 -i original. I know, we can simply re-encode it, but will lose the quality. Top10 Commands for Lossless Video Manipulation using ffmpeg (Guide) ffmpeg is an amazing cross-platform open-source software with many different uses (you can use it for audio encoding for instance), but this guide will focus exclusively on the top ffmpeg commands for lossless editing. mp4 -ss 1074. 4, the first frame will not be losslessly preserved (the issue was fixed on March 21, 2021). Dec 4, 2023 · FFmpeg is a command line video editing tool that allows you to perform lossless trimming of videos. To understand why this happens you can read more about keyframes. You'll want to add this free and open-source tool to your workstation no matter what platform you're on. com Platform. :: Name: opus-split-ffmpeg. The main feature is lossless trimming and cutting of video and audio files, which is great for saving space by rough-cutting your large video files Nov 29, 2013 · I suspect ffmpeg decodes the entire video, and applies the trim by discarding frames. Under macOS, you can use Homebrew and brew install ffmpeg. Jun 26, 2017 · I use ffmpeg to cut a video file. The main feature is lossless trimming and cutting of video and audio files, which is great for saving space by rough-cutting your large video files taken from a video camera, GoPro, drone, etc. May 18, 2018 · Trimming oneliners # You can split and trim files in most graphical video editing software, but these will typically recompress the export file, reducing the video quality. wmv -ss 60 -t 60 -acodec copy -vcodec copy output. A much better solution is to perform “lossless” trimming. I want to remove all the stuff from 0:15 to 0:45. A codec with i-frames (I presume h264 or similar is what you are using) has distinct limitations when copying the stream, as opposed to re-encoding, of which you seem aware. LosslessCut is a free, platform independent video editing software, which supports numerous audio, video and container formats. ffmpeg -ss 0 -i input. Apr 28, 2021 · It does specifically mention MJPEG at the very bottom of the answer. VideoTap has an amazing feature called Clips, which allows you to highlight parts of the transcript of a Learn how to use FFmpeg to quickly trim videos on your local machine and automate the process for batch video editing. As a workaround on pre-4. The Sep 30, 2024 · Learn how to easily trim and cut your videos using FFmpeg. com/lossless-video-trimming-with-ffmpeg/FFmpeg Notes: https://www. Nov 20, 2023 · A guide on free softwares available for Windows, Linux and macOS for trimming / cutting MP3 files without conversion (losslessly). wmv The -ss part works fine but the -t is ignored. 1 :: This mod by sveakul for context menu single file use @ECHO OFF SETLOCAL ENABLEEXTENSIONS ENABLEDELAYEDEXPANSION :: variables begin with v :: set name of this script without file extension SET vMe=%~n0 :: set name of the parent FFmpeg is the leading multimedia framework, able to decode, encode, transcode, mux, demux, stream, filter and play pretty much anything that humans and machines have created. By this, we mean manipulating compressed formats without the need for re-encoding, not manipulating lossless I tried to cut the video using the start and end time of the video by using the following command: ffmpeg -ss 00:00:03 -t 00:00:08 -i movie. g. Sep 17, 2024 · This blog post explores how to effectively use FFmpeg for video editing, including video compression, changing speed without altering audio pitch, and removing silence. Users can skip -map and let ffmpeg perform automatic stream selection as described below. com Format for easy use from any portable device and integration with the PortableApps. Our guide provides methods and step-by-step instructions to help you create precise video clips for various purposes. Therefore, the resulting audio will be 20 seconds long. This method will keep the quality of the original video file, most of the graphical video editing software may recompress the video file on export which can cause loss of video quality. But I don't want to lose the quality of the song. avi -ss 00:06:30 -to 00:07:15 -c copy output. Aug 9, 2012 · I'm trying to use ffmpeg to cut video files at precise times. And it's open source and completely free. I also put the output filename at the end, after the output options, otherwise they are not applied, and May 28, 2017 · All audio frames are keyframes so audio can simply be copied over, as long as ffmpeg supports the audio codec in the output container. com/ffmpeg-notes/FFmpeg playlist: https://www. mkv Clips from 1m45s to 1m53s with the start of the video rounding down to the nearest keyframe Oct 2, 2018 · What would be the right way to cut a clip from a high-quality x265 video? Lets say I want to extract a part from 5min22sec to 5min59sec without losing any quality using ffmpeg. It excels in offering lossless trimming and cutting of files, emerging as the ultimate tool for rough-cutting large video files without any compromise on quality or Nov 2, 2024 · But somehow ffmpeg / lossless don't do it and shifting the video around using -avoid_negative_ts X but also with this command the keyframe cut is never done at the keyframes of the original video what was my goal. Also, I do not want to use copy option because of key fra Oct 26, 2018 · FFmpeg is able to cut, trim and extract videos without transcoding the media. Key capabilities: Lossless trimming of almost any format—MP4, MOV, MKV, WebM, TS… Smart cut (experimental) – re-encode only the few frames around your cut to achieve frame-perfect edits while keeping 99 % of the file untouched. The output will be lossless but the output file will be huge. An alternative to using a single input file with multiple trim filters, is to use the same file as input multiple times. It correctly. Since the video stream start (-ss 0) will start on a keyframe, you can use ffmpeg -ss 0 -i input. About re-encoding it's not a big deal, I could just go from v210 lossless to HuffYUV lossless 10bit like: I am using ffmpeg to cut out a section of a large file like this: ffmpeg -i input. It lets you quickly extract the good May 9, 2019 · Lossless video trimming with milliseconds using FFMPEG Asked 6 years, 6 months ago Modified 6 years, 6 months ago Viewed 6k times Aug 22, 2021 · Sometimes we need to cut/trim video files. It's packaged in PortableApps. 1 -t 27. In this article, we will discuss two easy and fastest methods to trim video files using FFmpeg. mp4 And if the video trim inpoint is a keyframe, so can the video. ts -c copy -map 0 myoutput. Lossless Cut is a lossless video and audio cutter to trim media files without re-encoding. In this article, we will explore the process of using FFmpeg to trim videos, understand the difference between lossless and lossy compression, and learn how to install FFmpeg on different systems. 1 -i input. It lets you quickly extract the good Jul 22, 2025 · 3. mkv This is like the command you've provided, except I'm using a different input format, and prepend -i to mark it as an input file. Thank you very much, any kind of help will be appreciated! Oct 7, 2023 · Lossless Cut is probably the simplest way to cut out parts of a video without having to re-encode it or use an online service. 3 -i input. In this examples, starting at 58 seconds. Jan 21, 2023 · LosslessCut is a little-known video editor. 2 -t 44. Lossless trims between keyframes sometimes result in garbled, scrambled video : r/ffmpeg r/ffmpeg Current search is within r/ffmpeg Remove r/ffmpeg filter and expand search to all of Reddit Nov 14, 2025 · Download LosslessCut for free. mp3 new. It is in essence a frontend for FFMPEG and cuts without re-encoding, so the results are instantaneous. Lossless quality – When cutting or cropping, ffmpeg doesn‘t re-encode your video. This is a great way to maintain the original quality, thus avoiding generation loss. mp4 -filter_complex " [0: See (ffmpeg-utils)the "Quoting and escaping" section in the ffmpeg-utils (1) manual for more information about the employed escaping procedure. [4][5] It is a graphical user interface, with MacOS, [6] Windows [7] and Linux [8] support, using the FFmpeg multimedia framework. Lossless trimming refers to the process of cutting parts of a video without degrading its quality. The ffmpeg help shows an option -timecode_frame_start to specify the starting frame but I am unable to get this command to work. A first level escaping affects the content of each filter option value, which may contain the special character : used to separate values, or one of the escaping characters \'. I guess I could see how much difference this loss makes for my application, but since it is possible I was hoping to make the true lossless approach more efficient. It specialises in *lossless* operations: trim, split, merge, reorder, and remux media without re-encoding, preserving 100% of the original quality while saving Oct 28, 2015 · ffmpeg can encode with several lossless encoders: ffv1, huffyuv, ffvhuff, utvideo, libx264 (using -crf 0 or -qp 0). This means zero loss of quality during editing. The format i use is this: ffmpeg -i input. Sep 24, 2018 · I am trying to do three tasks with FFMPEG Crop a video without losing quality Resize (upscale) the cropped video with good quality Cut specific part of a the upscaled vided without losing quality H Nov 5, 2023 · But ffmpeg is optimized for speed, making edits in seconds without hogging resources. mp4 -t 14 -c copy A. mp3 it started at the second 132, and added the next 139 seco Apr 6, 2016 · Splitting a video without re-encoding may only be possible for lossless formats. avi -c:v libx265 \ -x265-params "profile=monochrome12:crf=0:lossless=1:preset=veryslow:qp=0" \ video. Instead, FFmpeg tries to find the closest keyframe and cut it there. Because of a bug present in FFmpeg versions prior to 4. Multi-track surgery – add, remove, or replace Nov 14, 2025 · ️ LosslessCut: Video, Audio & Subtitle Editing Using FFmpeg — How to use it LosslessCut is a free, open-source, cross-platform tool built for fast, high-fidelity editing of video, audio, and subtitle files — all powered by FFmpeg. Command to trim video ffmpeg -ss 823. Packaged versions from various distributions are often outdated and do not behave as expected. LosslessCut: The Swiss-Army GUI for FFmpeg LosslessCut wraps FFmpeg’s power behind a drag-and-drop interface. Fortunately, a simple way is to do this with the beautiful command-line utility FFmpeg. Mar 12, 2024 · What is LosslessCut? LosslessCut stands as an unrivaled, cross-platform FFmpeg GUI, engineered for speedy, lossless operations on video, audio, subtitle, and other media files. LosslessCut This verges on limitations with codec types, rather than being solely about limitations with software. May 20, 2016 · It works for me if I make a few changes: ffmpeg -i video. You can do the same thing with ffmpeg if you have video timestamps: ffmpeg -ss 1:45 -t 8 -i input. The result should be a 30-second mp4, which is composed of the 10 votes, 17 comments. Ubuntu). 3 days ago · └──────────┴───────────────┘ 4 Stream selection ffmpeg provides the -map option for manual control of stream selection in each output file. mp4 -t 23 Oct 26, 2023 · We gave the timestamps in the form of mm. The software focuses on the lossless editing of the video files. Is it a difficult thing for you to cut and trim video with FFmpeg? In this post, we will demonstrate a guide on how to use FFmpeg trimming video explicitly. mp4 As mentioned, I expect the end of A. I'm running the following command: ffmpeg. The main feature is lossless trimming and cutting of video and audio files, which is great for saving space by rough-cutting your large video files taken from a video camera, GoPro Can FFmpeg do frame-by-frame video cutting and can cut at any frame (not just keyframes) of a video file without reencoding it? If so, how? Jun 9, 2017 · I am using ffmpeg to cut a video accurately at a given time to another time. mkv -c copy output. cmd :: Purpose: Configures ffmpeg to losslessly split/crop an opus file :: Author: jaybeee @ themixingbowl. How to cut a video, without re-encoding Use this to cut video from [start] for Oct 3, 2022 · This tutorial shows you how to trim a video using a start and stop time with the versatile and open-source FFmpeg command-line tool. It lets you quickly extract the good Nov 16, 2020 · How do I cut a section out of a video with ffmpeg? Imagine I have a 60 second mp4 A. exe -noaccurate_seek -ss 00:02:54. [9] By copying the selected image sequences without transcoding or re Sep 7, 2019 · I'm trying to do a lossless trim of a video to remove a section from the start. LosslessCut aims to be the ultimate cross platform ffmpeg GUI for extremely fast and lossless operations on video, audio, subtitle and other related media files. It also takes a long time. Perfect for tech enthusiasts and content creators looking to enhance their video content seamlessly. LosslessCut aims to be the ultimate cross platform FFmpeg GUI for extremely fast and lossless operations on video, audio, subtitle and other related media files. mp4 -acodec copy -vcodec copy -async 1 cut. mp4 By using Oct 1, 2017 · I need to cut parts from an audio file from position to position. Conclusion In this article, we explored the various possibilities to cut audio files. It lets you quickly LosslessCut aims to be the ultimate cross platform FFmpeg GUI for extremely fast and lossless operations on video, audio, subtitle and other related media files. mp4 -t 5 -c copy C. mp4 ffmpeg -y -ss 00:00:15 -i VideoOut. mp4 to "match" with the beginning of C. This is all you need to do: LosslessCut saved my day from endless FFmpeg trim commands, thank you and keep up the good work! Traditional video editors Any operation in a normal video editor requires you to re-encode the whole file which can take hours and you will gradually lose quality every time a file is processed. Some containers such as Matroska are able to store an offset (and ffmpeg does that), so it starts playing from exact wanted position even though the actual stream contains data since the last keyframe. Dec 13, 2022 · That's not "a problem with ffmpeg-based editors"; that's the only way to do it lossless. aata gsecdbx xrrikee xmk dnwt bqgj nkcx agnn dwnsi ocwjw opwib skgrmkd rprx jvcxkx izcfbzg