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Convert MP3 to editable SRT subtitles online—fast, free, no install, privacy-focused.
MP3 to SRT (Subtitle Generator) helps you convert MP3/audio into SRT subtitle files online—fast, clean, and export-ready. Just upload your audio, click transcribe, then export SRT for captions/subtitles (great for YouTube/TikTok, courses, podcasts, interviews, and meetings). The workflow is lightweight and browser-based: upload → transcribe → export SRT (no install).
You can also copy the transcript or download it as TXT if you need searchable notes or quotes. Free to start (no credit card). If you need more usage, you can upgrade with credits (no subscription). Credits are billed by audio duration, rounded up to the next minute (minimum 1 minute), so costs stay predictable. Guest mode supports short files, and signed-in users can process longer audio. Your audio isn’t stored after processing, so you can generate subtitles without leaving the browser.