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May 27, 2026
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FFmpeg Batch AV Converter is a free Windows front end for FFmpeg built around volume, queuing hundreds of audio and video files and running several encodes at once, with batch trimming, splitting, muxing and subtitling alongside.
One file at a time is fine until the folder has four hundred of them in it.
Version 3.2.9 is built for that case: you drop the whole folder in, set the output once, and walk away.
It is a front end for FFmpeg, so the conversion quality is FFmpeg's and what this adds is everything around the queue.
How It Actually Speeds Things Up
This is worth understanding, because it is the reason to pick this over any other front end and it is often described loosely.
A single FFmpeg encode already uses all your CPU cores. Running one file faster is not something a graphical wrapper can do.
What this does instead is launch several FFmpeg processes at the same time, up to the number of threads your processor has, so a queue of files finishes far sooner than the same queue run one after another.
Where the gain is largest. Codecs that thread poorly and short files where each encode spends time starting up benefit most, while a single long 4K encode will not go any faster than FFmpeg alone would manage it.
You control how many run at once, and you can set the encoding priority so the machine stays usable while a long queue works through.
What It Encodes
Video output covers H.264 and H.265 through x265, AV1 through SVT-AV1, ProRes and Theora.
Hardware encoding is available too, through NVEnc on NVIDIA cards, QuickSync on Intel and VCE on AMD, which is the other place a large queue gets dramatically quicker.
Audio covers MP3, AAC, AC3, FLAC, WAV and Opus, with the same batch handling as video.
Two-pass encoding is supported, as is setting a fixed output file size and letting the encoder work backwards to hit it, which is the feature people usually go looking for when uploading to a platform with a size cap.
The Batch Jobs That Are Not Conversion
Converting is only part of what it does in bulk, and this is the half most descriptions leave out.
- Trim and concatenate - cut a queue of files to length, or join them, without doing it one at a time.
- Split - break long audio or video files into parts across a whole batch.
- Stream mapping and muxing - pick which audio, video and subtitle tracks survive into the output.
- Subtitles - add them as a selectable track or burn them into the picture.
- Thumbnails and trailers - pull contact-sheet images out of a batch, or generate short preview clips.
- Images to video - turn a folder of stills into a clip, which is the usual route for timelapse footage.
- Screen recording and media info - both are built in, so a quick capture or a codec check needs no second program.
When a queue finishes it can shut the machine down or run a program of your choosing, which is what makes overnight jobs practical.
The URL Downloader Is a yt-dlp Front End
The download feature is a graphical wrapper around youtube-dl and yt-dlp rather than something written from scratch.
That means it handles what those tools handle: ordinary video pages, live streams and m3u8 playlist links, in batches rather than one URL at a time.
What you are allowed to download depends on the site's terms and on the law where you are, and neither the tool nor this page changes that.
If you only need to find a stream URL rather than download in bulk, our browser-based Stream Extractor does that with nothing to install.
Before You Install
It is free and open source under the Creative Commons Attribution ShareAlike 3.0 licence, with no paid tier and no registration.
The interface is built on .NET, so Windows will prompt you if the runtime is missing. There are seven interface languages, including Spanish, French, Italian, Portuguese, Arabic and Simplified Chinese.
It is a Windows program, but the developer also supports running it on Linux through Wine.
Where It Fits Against the Other FFmpeg Front Ends
| Front end | Built for | Pick it when |
|---|---|---|
| FFmpeg Batch AV Converter | Volume | The queue is longer than your patience |
| SmartFFmpeg | One file, minimum weight | You want a 80KB portable window and nothing more |
| FFMPEG Audio Encoder | Audio only | You never touch the video side |
| FFmpeg Media Encoder for Android | Phones | The files are on a handset, not a PC |
| FFmpegGUI | Nothing current | Never, it stopped in 2021 |
Who Should Look Elsewhere
The tell is how much you care about each individual file. This is built to apply one decision to hundreds of items, and it is the wrong shape for tuning a single encode until it is perfect.
HandBrake and Shutter Encoder give you far more feedback on quality per file.
FastFlix and StaxRip go deeper still into the encoder settings themselves.
Our comparison of StaxRip against HandBrake covers that trade in detail if you are choosing between the two approaches.
For cutting rather than converting, LosslessCut trims without re-encoding, and MKVToolNix handles track surgery on MKV files losslessly.
For a single audio file with nothing to install, our online audio converter runs in the browser.
Quick questions
Is it free?
Yes, entirely, under the Creative Commons Attribution ShareAlike 3.0 licence. There is no trial, no watermark and no registration.
Do I need to install FFmpeg separately?
No. FFmpeg comes with it, unlike the smaller front ends that expect you to supply your own binary.
How many files can it queue?
There is no set limit. How many run at the same time is your choice, capped by the number of threads your processor has.
Will running several at once damage quality?
No. Each file is encoded by its own FFmpeg process with the settings you chose, so the output is identical to running them one after another.
Can it use my graphics card?
Yes, through NVENC on NVIDIA, QuickSync on Intel and VCE on AMD. Hardware encoding is much faster and slightly lower quality at the same bitrate.
Does it run on Linux?
Not natively, but the developer supports running it under Wine. It is a Windows .NET application at heart.
The rest of the video encoders category covers the single-file tools if bulk is not your problem.
Download FFmpeg Batch AV Converter 3.2.9 and see how it handles your files, or tell us how you got on if you have used it before.
