Free SRT File Creator
Turn any video into a downloadable .srt subtitle file, free. Upload, let the transcription run, adjust the timings if you need to, and export.
The output is a clean SubRip file with sequential numbering and correctly formatted timecodes, so it loads without complaint into YouTube, Vimeo, VLC, Premiere and anything else that takes subtitles.
- ✓Standards-compliant .srt
- ✓Editable timings
- ✓Import existing files
- ✓Free
Launching 10 September 2026. Join the waitlist for early access.
What the SRT file creator gives you
A subtitle file is only useful if it is correct. These are the parts that decide that.
Properly formed SubRip output
Sequential block numbers, timecodes as HH:MM:SS,mmm, a blank line between blocks and UTF-8 encoding. Malformed SRTs are the usual reason a player silently ignores a subtitle track.
Timings you can adjust
Nudge, extend, split or merge any block. Word-level timing data underneath means re-splitting a long line does not throw the rest of the file out of sync.
Import and repair existing files
Open an .srt from another tool, a client or a translator and fix the text, the line breaks or a global offset without re-transcribing anything.
Any language, correctly encoded
Devanagari, Arabic, Cyrillic, Chinese and Japanese all export as UTF-8, which is what stops subtitles turning into question marks in the player.
Seconds, not an afternoon
Hand-typing timecodes for ten minutes of video is about an hour of work. Here it is one upload and a read-through.
And the video too, if you want it
The same transcript can be exported as burned-in captions on the video, so you are not choosing one output over the other.
How to create an SRT file
A finished, standards-compliant .srt in three steps.
- 1
Upload your video or audio
Drop in an MP4, MOV, MKV or an audio file such as MP3 or WAV. The SRT file creator only needs the audio track to work from.
- 2
Generate and check the transcript
Speech is transcribed and split into subtitle blocks, each with its own start and end timecode. Correct any names or terms and adjust where a line breaks.
- 3
Download the .srt
Export a clean SubRip file with sequential numbering and properly formatted timecodes, ready to upload to YouTube, Vimeo or hand to an editor.
What an SRT file looks like inside
An .srt is just text, which is why it is so portable. Each subtitle is a block of three parts: a number counting up from 1, a line giving the start and end time separated by an arrow, and one or two lines of caption text. A blank line separates each block from the next.
The timecode format is strict: hours, minutes and seconds separated by colons, then a comma before the milliseconds — 00:01:23,480. A full stop instead of that comma is the single most common reason a player rejects a file, and it is exactly the sort of thing that happens when subtitles are typed by hand or edited in a word processor.
SRT deliberately carries no styling. There is no font, colour or position information in the format, which is why it works everywhere: the player decides how captions look. If you need control over appearance, either burn the captions into the video or use WebVTT, which does support styling and positioning cues.
Where SRT files are used
SRT is the default currency of subtitles. When a platform, a client or an editor asks for "the subtitle file", this is almost always what they mean.
YouTube and Vimeo
Uploading an .srt gives the platform a clean transcript to index and gives viewers a captions toggle, rather than leaving them with auto-generated captions.
Editing software
Premiere Pro, Final Cut, DaVinci Resolve and CapCut all import .srt as a caption track you can restyle and burn in during the edit.
Translation
Because it is plain text with timings attached, an .srt is what you hand a translator. They replace the text, the timings stay put.
Archives and search
A folder of .srt files is a searchable text index of everything you have ever published, which is useful long after the videos are live.
Related tools
Other formats and starting points.
Frequently Asked Questions
The format, the workflow and the things that break subtitle files.
What is an SRT file?
SubRip Subtitle (.srt) is a plain text file listing each subtitle as a numbered block: a sequence number, a start and end timecode written as hours:minutes:seconds,milliseconds, and the caption text. It is the most widely supported subtitle format there is, which is why almost every platform accepts it.
How do I create an SRT file from a video?
Upload the video, let the transcription run, check the timings in the editor and download the .srt. You never have to type a timecode by hand, and the file that comes out is standards-compliant so any player will read it.
Can I edit the timings before downloading?
Yes. Every subtitle block can be nudged earlier or later, extended, split in two or merged with the next one. This is the usual fix when a speaker pauses mid-sentence and the automatic split lands in an awkward place.
Will the SRT work on YouTube?
Yes. Upload it under Subtitles in YouTube Studio and it replaces the automatic captions. YouTube reads the file as a transcript, which is generally better for search visibility than relying on its own auto-generated captions.
Can I open an existing SRT file to fix it?
Yes. Import an .srt you already have — from another tool, a client or a translator — and edit the text, timings and line breaks, then export a corrected file. You do not need the original video to do it.
Does the SRT file creator cost anything?
No. Transcribing, editing and downloading .srt files are free with no export limit, no watermark and no account required.
Can I edit my captions before exporting?
Yes. Correct the transcript, adjust timings, choose a caption style and then export the finished video or a clean SRT or VTT file.
When does Caption Maker launch?
Caption Maker launches on 10 September 2026. Join the waitlist to be notified when editing and exports open.
Create your first SRT file free
Caption Maker launches on 10 September 2026. Join the waitlist and export subtitle files from day one.
- ✓No Credit Card Required
- ✓GDPR Compliant
- ✓Secure Upload