Audio & video batch converter
Format Factory
Convert, compress, merge, and extract files in bulk. Choose the task once, then run every compatible file together.
Choose a task
Pick one task for the whole batch.
Options
Files
About Format Factory
Format Factory is a browser-based workbench for the media jobs people run every day — converting a stack of videos to MP4, turning recordings into MP3, shrinking files that are too large to send, and joining or splitting audio and video.
It runs entirely in your browser, so there is nothing to install and no per-file setup. Choose a task once, set the output options, add your files, and run them all together — fast for a single conversion and just as fast for fifty.
The tool is built around batch work. Instead of configuring each file on its own, you set the format and quality one time and apply them to every compatible file in the queue. Each item reports its own progress as it uploads, converts, and finishes, so you can download results as they land and step in only when a specific file needs attention.
What Format Factory can do
One task at a time, applied to your whole batch. Eight complete jobs for audio and video — no unrelated categories, no clutter.
Video
- Convert videoChange format for playback or upload, or pull the audio out to a file.
- Compress videoShrink MP4 files with shared quality settings.
- Merge videoJoin 2 to 10 clips into one MP4, in file order.
- Remove audioExport a silent copy of any video.
Audio
- Convert audioMove between MP3, WAV, AAC, M4A, OGG, and FLAC.
- Compress audioReduce MP3 size with a lower bitrate.
- Extract audioTurn any supported video into an MP3.
- Merge audioCombine 2 to 20 tracks into one MP3.
Three steps, top to bottom
The workflow is the same whether you convert one file or a full batch. There is no account required to start, and the page walks top to bottom so you always know the next step.
Choose a task
Pick one job for the whole batch — convert, compress, extract audio, merge, or remove audio. The task decides which formats are accepted and which options appear.
Set options once
Choose the output format and quality. Open advanced settings for resolution, frame rate, and bitrate. Everything you set applies to every file.
Add files and run
Drop in up to 50 files and start the queue. Each item shows its progress, and finished results are ready to download the moment they complete.
Format Factory supports common media formats
Format Factory reads the common video and audio formats and writes the ones people actually need. Compatibility is checked before upload, so unsupported files are flagged with a clear reason up front instead of failing partway through a job.
Video
Input
Output
Audio
Input
Output
Common conversions
A few of the jobs people reach for most. Each one runs the same way — pick the task, add your files, and download the results.
- MOV to MP4Turn iPhone and QuickTime recordings into MP4 that plays and uploads anywhere.
- Video to MP3Extract the audio from a video and save it as a standalone MP3 track.
- WAV to MP3Compress lossless recordings into a smaller MP3 that is easy to send.
- MKV to MP4Convert MKV files into a format that plays on more devices and players.
- M4A to MP3Move Apple audio files into MP3 for players that do not read M4A.
- Compress MP4Shrink large videos so they fit upload limits without changing the format.
Format Factory gives you control over quality and size
Defaults work for most conversions, but you can take control when you need to. Quality presets favor a smaller file, a balanced result, or the best the format allows.
For video, advanced settings cover resolution, frame rate, and video bitrate. Lower any of them to produce a smaller file, or keep the original values to preserve detail. For audio, you can set bitrate, sample rate, and channels to match a platform requirement or trim size.
Because these settings are shared across the batch, one adjustment applies to every file. That is the difference between spending a minute on fifty files and spending an hour. Original metadata is kept whenever the output format supports it.
Advanced controls
Built to be dependable, not flashy
Many people still need the direct utility of desktop media tools but do not want installer bundles, confusing download pages, or per-file setup. Format Factory keeps that workflow online, visible, and task-first — a clean tool that shows its work.
Batch by default
Set output and quality once and let the queue do the repetitive work. Adjust a single file only when it needs it.
Runs in your browser
No installers, no bundled toolbars, no desktop freeware. Open the page and start converting.
Every state is visible
Uploading, queued, converting, finalizing, done, or failed — you always know where each file stands.
Transparent credits
See your balance before you run and what each job costs. No surprise charges after the fact.
Start free
Free accounts get 10 conversions a day with files up to 250 MB. Paid plans raise the file-size limit to 12 GB and run up to 40 conversions at once. Credit packs cover one-off heavy batches without a subscription, and your balance and the cost of each job are always shown before you run, so nothing is charged by surprise.
Format Factory questions
Do I need to install anything?
No. Format Factory runs entirely in your browser. There is no desktop app, nothing to download, and nothing to keep updated.
Do I need an account to convert files?
You can run conversions without signing in after a quick security check. Signing in saves your job history and unlocks higher file-size and batch limits.
How many files can I convert at once?
Up to 50 files per batch for most tasks. Merge tasks take 2 to 20 audio files, or 2 to 10 video files, combined in file order.
Can I control the output quality?
Yes. Every task offers quality presets, and most add advanced controls for resolution, frame rate, and bitrate so you can balance quality against file size.
What does it cost?
It is free to use every day within the daily limit. Paid plans and one-time credit packs are available when you need larger files, more daily capacity, or more conversions running at once.
What happens to my files after conversion?
Files are used only to produce your conversion, and results are temporary. See the privacy policy for full details.
Ready to convert with Format Factory?
Choose a task at the top of the page, add your files, and start the queue.
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