Convert MP3 to SRT

Yes! Upload your MP3, Sonix transcribes it with word-level timestamps, then export as SRT. This is perfect for adding subtitles to video content where you only have the audio track, or for creating podcast videos with accurate captions.

Sonix generates word-level timestamps during transcription, resulting in precisely timed subtitles. The timing accuracy typically matches within a few hundred milliseconds. You can fine-tune any timing in our editor before exporting the final SRT file.

Sonix automatically formats SRT exports to follow best practices - typically 42 characters per line with a maximum of 2 lines per subtitle. This ensures readability on any video player. You can customize these settings in the export options.

Absolutely! The SRT files exported from Sonix are fully compatible with YouTube, Vimeo, Facebook, LinkedIn, and all major video platforms. Simply upload the .srt file to your video's caption settings and the subtitles sync automatically.

Sonix's visual editor lets you adjust timing by dragging subtitle boundaries or entering specific timestamps. Play the audio while editing to ensure perfect sync. All changes are reflected in your SRT export.

Yes! When exporting to SRT, you can choose to include speaker labels at the beginning of each subtitle segment. This is helpful for interviews, podcasts, and multi-speaker content where viewers need to know who is speaking.

It can. Files encoded at 128 kbps or higher preserve more speech detail, while heavily compressed recordings below about 96 kbps may introduce artifacts that make words harder to recognize.

Upload the MP3, generate a transcript, adjust the text and timings as needed, and export the result in SRT or VTT caption format.