Upload a video and get a timestamped .srt transcript — powered by an open-weight AI speech model that runs entirely in your browser.
Files are processed securely in your browser. Nothing is uploaded.
Upload a video and click Generate Subtitles to see the transcript here.
It uses OpenAI's open-weight Whisper model (the same family used by many paid transcription tools), so accuracy is generally strong for clear speech. Background noise, heavy accents, or overlapping speakers can reduce accuracy — always skim the transcript before using it.
The multilingual Whisper model used here supports dozens of languages, including English and Hindi/Hinglish content.
No. Audio extraction and transcription both run in your browser. The video and audio never leave your device.
The AI model (~280MB) downloads once and is cached by your browser. Later runs on the same device start much faster since it's served from cache.
Add the video you want captions or subtitles for.
Audio is extracted and transcribed with timestamps, right in your browser.
Check the timed segments before downloading.
Upload it directly to YouTube, or use it in any video editor.
Processing takes seconds, no waiting in a queue.
No signup or account required.
About this tool
Auto Subtitle Generator helps you complete video workflows faster with clean browser-based output.
Auto Subtitle Generator is a focused video utility built for users who need fast video tasks without complex setup. The workflow accepts video source input and produces video processed result through a clean browser interface that is easy to understand for first-time users and still efficient for frequent users. Instead of switching between multiple apps, this tool keeps key controls in one place so you can complete the task faster, validate the output, and move to the next step with minimal friction. It is designed for practical day-to-day execution, including office work, study tasks, content operations, and lightweight professional workflows where speed and clarity matter. You can use it from desktop or mobile, apply settings based on your use case, and export reliable output with consistent quality. For most scenarios, this approach offers faster turnaround and less operational overhead than manual workflows. Auto Subtitle Generator is practical for individual users and teams that want quick results, predictable behavior, and a no-signup workflow that saves both time and effort. Auto Subtitle Generator helps users finish video tasks with less friction and better consistency. Clear controls keep the workflow easy to follow, while immediate feedback makes the result simple to review before it is used or exported.
Auto Subtitle Generator is usually faster than manual video workflows because it reduces repetitive steps and keeps the complete flow in one interface. Compared with heavyweight desktop software, this tool prioritizes speed, accessibility, and simpler controls so users can finish routine tasks quickly without installation or licensing friction. For users who mainly need fast video tasks, this focused approach often gives better execution speed and cleaner day-to-day usability, while still producing video processed result that is suitable for practical work.
Privacy-first: Where browser-based processing is available, your files stay on your device. No file is uploaded to our servers unless strictly required for the tool to function.
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