Synchronized timestamps
The file includes start and end timecodes so subtitles line up with the voice.
Audio to subtitles
Convert audio or video into subtitles.
Upload a spoken file and we will generate subtitles with timestamps, ready to edit, publish or use in your videos.
Online transcription
How to convert audio to subtitles in 3 steps
This tool transcribes spoken files and builds timestamped subtitles in SRT, VTT or CSV. You can control how many words appear in each segment to match your editing style.
- 01
Upload your file
Choose an audio or video file with clear speech in common formats such as MP3, WAV, M4A, MP4 or WEBM.
- 02
We create the transcript
The system detects words and timestamps to build subtitle segments.
- 03
Download the file
When the process finishes, you receive a link to download the selected format.
Benefits
Why use our subtitle generator
Configurable segments
Choose between 1 and 20 words per segment before starting the transcription.
SRT, VTT and CSV export
Download the result in the format that best fits your editor, player or workflow.
HTTPS processing
Uploads use an encrypted connection and the file is processed to generate your download.
Optimized for clear speech
Works best with interviews, podcasts, lessons, voice notes and videos with spoken audio.
No signup
Generate subtitles without creating an account or installing desktop software.
Formats
Convert other audio and video formats to subtitles
MP3 to SRT
Convert podcasts, interviews and compressed tracks into downloadable subtitles.
WAV to SRT
Transcribe high-quality recordings or audio exported from professional tools.
M4A to SRT
Ideal for voice notes, mobile recordings and common Apple audio files.
MP4 to SRT
Extract speech from an MP4 video and generate a synchronized subtitle file.
WebM to SRT
Convert browser recordings or web videos with speech into subtitles.
Use cases
Subtitle solutions for creators and professionals
For creators and podcasters
Generate subtitle files to improve accessibility, repurpose clips and publish content with text.
For video editors
Import SRT or VTT into your editor and reduce manual transcription time.
For courses and training
Turn classes, lessons or spoken materials into useful subtitles for students.
Comparison
Why use AI instead of manual transcription
FeatureOur converterManual transcription
Processing timeAutomated after uploadCan take hours
Timestamp generationIncluded automaticallyTedious and error-prone
Work costFast and no signupConsumes a lot of time
Export formatsSRT, VTT and CSVDepends on how you prepare it
FAQ
Frequently asked questions about converting audio to subtitles
What is an SRT file and what is it used for?
An SRT is a text file with subtitles and timecodes. It is used to add subtitles to videos in editors, players and platforms.
How can I convert an MP3 to SRT?
Upload the MP3 file, choose how many words you want per segment and select SRT as the download format.
How accurate is the transcription?
Accuracy depends on voice clarity, background noise, language and file quality. Clear spoken audio usually gives better results.
Does the generated SRT work with CapCut, Premiere or YouTube?
Yes. SRT and VTT are common formats for video editors and platforms. CSV is useful if you need to review or reuse segments as data.
Which formats can I upload?
The tool supports common audio and video files such as MP3, WAV, M4A, AAC, OGG, MP4, MOV, WEBM and MKV.
Can I choose how many words each subtitle has?
Yes. You can choose between 1 and 20 words per segment before starting the transcription.
Is my file published anywhere?
No. The file is processed to generate the subtitles and return a download link.