Transcribe a long OBS recording straight from the MKV.
OBS saves long recordings as MKV by default, and that file uploads here as it is, with no remux. One recording can run up to 10 hours or 5 GB, and a six-hour session is usually transcribed in about twelve minutes. The first 20 minutes are free, and a pack from $6 transcribes the rest.
Long OBS sessions
You pressed Stop Recording. The rest is one upload.
MKV goes up as it is
OBS defaults to MKV because a crash cannot ruin it, and there is no need to remux it to MP4 for us. Find it with File, Show Recordings. The box here takes the usual sizes, and a multi-gigabyte recording continues on the upload page, up to 5 GB.
When the video is over 5 GB
A long 1080p capture can pass 5 GB on picture alone, while the speech in it is only tens of megabytes an hour. Save the audio as MP3 with VLC or a single ffmpeg command and upload that. A recording over 10 hours goes in as two files.
Check which track has your voice
Only the first audio track is transcribed. If you split the microphone and the desktop audio onto separate tracks, make sure your voice is on track 1 in Advanced Audio Properties, or the transcript will follow the game instead.
A six-hour stream you can search
Chapters with timestamps split the session into its segments, and the brief, quotes and the names and numbers you said make the VOD description and the highlight list easier to write. SRT and VTT put captions back on the video.
The long capture
Six hours of OBS footage, and you need one sentence from it.
✗ Footage only
The recording is on disk. Finding a moment means scrubbing a six-hour file in a player that struggles with it, and writing the VOD timestamps by hand takes longer than the edit.
- Scrubbing a six-hour MKV for one remark
- Remuxing because a tool refuses MKV
- Video too large for the upload form
- The game's audio transcribed instead of your voice
- VOD descriptions written from memory
- No captions on hours of content
✓ Footage plus text
The MKV comes back as a transcript with chapters, ready to quote, caption and describe.
- The MKV uploaded straight from the recordings folder
- Audio-only MP3 when the video passes 5 GB
- Your microphone on track 1, transcribed
- Chapters to turn into VOD timestamps
- Captions for the whole session
- Searchable text across every stream
Sample output
Hour five of a stream, findable.
Illustrative excerpt written for this page, not a real OBS recording. Timestamps count from the moment recording started.
Export
One transcript. Five clean formats.
Every pack exports all five — no format is held back for a higher tier.
Plain text
De-ummed paragraphs. Ready to paste.
SRT captions
Timed to the speech. Every video editor reads this.
WebVTT
HTML5 player + YouTube uploads.
Show notes
Formatted with chapters and pull-quotes.
Machine-readable
Timestamped text for your own tools.
Pricing
Honest pricing, no surprises.
A pack from $6 (500 minutes) opens the full transcript. After that, no subscription and no auto-renew — every tier is a one-time minute pack, and credits never expire. Buy once, use the minutes whenever you need them.
Casual pack
$6/500 min
8 hours of audio — $0.72 an hour. One-time — credits never expire.
- 500 minutes of audio
- All export formats
- Unlimited AI chat per transcript
- Executive summary & key quote
Best value
$12/2,000 min
33 hours of audio — $0.36 an hour. Credits never expire.
- 2,000 minutes of audio
- Priority queue
- All export formats
- Unlimited AI chat per transcript
Bulk pack
$24/5,000 min
83 hours of audio — $0.29 an hour. Credits never expire.
- 5,000 minutes of audio
- Priority queue
- API access for batch pipelines
- All export formats
FAQ
Long OBS recordings, answered.
Do I need to remux my MKV to MP4 first?
No. MKV uploads as it is, and so do MP4, MOV, FLV and TS. Remuxing is only worth doing if you need the MP4 for an editor.
How long does a 6-hour OBS recording take?
Around twelve minutes, at roughly 2 minutes per hour of audio. A three-hour session takes about six, and a full ten-hour marathon about twenty.
What does a 6-hour stream cost?
Six hours is 360 minutes, which fits inside the $6 pack (500 minutes). A month of streams at 40 hours is 2,400 minutes, which is more than the $12 pack (2,000 minutes) holds, so that month goes on the $24 pack (5,000 minutes). Whatever is left over keeps for later, since credits do not expire.
My recording is 9 GB. What can I do?
The limit is 5 GB per file and 10 hours. Save only the audio with ffmpeg -i recording.mkv -vn audio.mp3, or with VLC's Convert option, and upload the MP3, which will be a small fraction of the size.
I recorded with several audio tracks. Which is transcribed?
Only the first one. Put your microphone on track 1, or export the track with your voice as its own audio file and upload that.
Will it handle my language, and how do I export?
Whatever language you stream in is detected on its own from 99 languages, so bilingual streams need no setup. The transcript exports as TXT, DOCX, SRT, VTT and JSON. Recordings are transcribed on our own servers and are never used for training.
Related
Related pages.
Drop the MKV. Keep the six hours.
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