Transcribe audio or video in your browser — no upload, no account, no limit. Used by content creators, video editors, podcasters, and students.
AudioSRT is a free AI subtitle studio that transcribes audio and video to SRT, VTT, and Premiere Pro JSON — with a built-in subtitle editor for timing, styling, line splitting, and professional typography controls. It runs entirely in your browser using OpenAI Whisper: no upload, no account, no file size or duration limits. Cloud AI transcription with 100+ language support is available on Starter.
This is the real editor. Edit, style and split subtitles right here.
Stop jumping between transcription tools, subtitle editors, and Premiere Pro. AudioSRT keeps your entire subtitle workflow in one place.
Audio or video, any format, any size
Whisper AI locally or cloud AI
Click any word to fix. Split lines. Move words.
Fonts, size, shadow, stroke, position
SRT, VTT, Premiere JSON, Burned MP4
Transcribe in one app, edit in another
One complete workflow
Rebuild subtitles in Premiere
Export editable Premiere projects
Upload files to unknown servers
Free plan runs locally on your device
Not just a transcription dump. A real subtitle editor.
Click any word to jump to that exact moment in your audio. Edit with precision — no scrubbing.
Click between words to split a subtitle line. Move words between lines. Timestamps recalculate automatically.
Custom fonts, stroke, shadow, color, size, and position — every change previews live on your video.
Toggle between 1-line and 2-line subtitle display. Export any format — fully time-synced.
Export editable Premiere Pro subtitle tracks instead of importing a static SRT file.
Every video platform and NLE
Web players and HTML5 video
Native Premiere Pro timeline
Subtitles permanently in the video
Create professional captions for long-form videos.
Generate transcripts and subtitles from any episode.
Professional captions that make lessons more accessible.
Native Premiere Pro workflow with JSON export.
Works everywhere. No install.
Native GPU acceleration. Up to 20× faster on supported hardware. Works offline.
Downloads Whisper engine (~150 MB) on first launch. Then runs at full GPU/CPU speed.
Browser transcription is always free and unlimited. Starter adds cloud AI — 10× faster, 100+ languages, hands-off cleanup.
AudioSRT is an AI Subtitle Studio — a professional subtitle editor and transcription tool that runs in your browser. Upload audio or video, transcribe with Whisper AI or cloud AI, edit subtitles with professional controls, and export to SRT, VTT, Premiere Pro JSON, or burned MP4.
Browser-based transcription with Whisper AI is completely free — no account required, no duration limit, no file limit. You can transcribe a 10-hour podcast at zero cost. Starter adds faster cloud transcription for users who need it.
On the free plan, Whisper AI runs entirely in your browser — your files never leave your device. Starter uses cloud AI transcription for speed, but your audio is only used for transcription and is not stored.
Yes. Export the Premiere Pro JSON file from AudioSRT. In Premiere Pro, open the Text panel → click (...) → Import → Import Static Transcript. Your subtitles load frame-accurately onto your timeline as fully editable text. See the full Premiere Pro guide →
Yes. AudioSRT can export an MP4 with subtitles burned directly into the video frames — no additional software required. Style your subtitles first, then export the burned MP4.
Yes. Upload any TTF, OTF, or WOFF font and it applies to your subtitle preview instantly. This works on all plans including free. Use your brand font and see exactly how subtitles will look before exporting.
Browser transcription runs Whisper AI entirely on your device — it's private and unlimited, but speed depends on your local CPU or GPU. It uses Web Workers so your browser never freezes, even on very long files. Starter uses cloud AI, which is roughly 10× faster.
Use the desktop app when you need up to 20× faster local transcription on supported hardware, want to work offline, or are processing very large files. It uses native GPU acceleration and has no browser memory limits. It is free forever.
Upgrade to Starter when you need transcription done in seconds rather than minutes, work in multiple languages, or transcribe high volumes regularly. Starter gives you unlimited cloud AI transcription — 10× faster than browser Whisper with auto language detection.
Use Cases