Free AI Subtitle Generator

Free AI Subtitle Generator

Auto subtitle generator that turns any video into accurate SRT/VTT subtitles in minutes.

Free to try, no credit card needed. Translate your generated subtitles into 50+ languages when you're ready.

Drag & drop a video, or click to browse

MP4, MOV, MKV, WebM supported

Full automatic processing requires a free account. Coming soon: instant anonymous preview.

AI Subtitle Generator

Accurate, auto subtitle generator output in minutes, not hours.

SRT & VTT Export

Download subtitle files ready for YouTube, Vimeo, and editors.

Translate Into 50+ Languages

Translate these subtitles into 50+ languages via our translation tools.

Free Subtitle Generator

Try it free, no credit card needed. Pay only as you use it.

How This Subtitle Generator Works, Step by Step

This subtitle generator does more than run one model over your file. Behind the scenes it moves through audio extraction, language detection, speech recognition, and timing alignment before a single subtitle line is produced.

Audio Extraction

The audio track is separated from your video so the auto subtitle generator can process speech independently of the visual content.

Speech Recognition

An AI speech recognition model transcribes the spoken words, forming the raw text this subtitle generator will later time and format.

Timing & Line Breaks

Text is split into readable subtitle lines and synced to the exact timestamps in your video, which is what separates a real subtitle generator from a plain transcript.

Export

Finished subtitles are packaged into SRT or VTT files, ready to upload wherever your video lives.

Who Uses This Subtitle Generator

Content Creators

A YouTuber runs a new upload through this subtitle generator the same day it's recorded, so captions are ready before the video even goes live.

Educators & Students

An instructor uses the auto subtitle generator on recorded lectures so students can follow along visually or review material without sound.

Businesses

Teams generate subtitles for training and marketing videos, then translate them into 50+ languages to reach international offices or customers.

Security & Privacy for This Subtitle Generator

Videos uploaded to this subtitle generator are handled under GDPR compliance with end-to-end encryption protecting files in transit and at rest.

Uploaded videos and the subtitles generated from them are automatically deleted after 30 days, so you don't need to manually manage cleanup for every file you process.

Why Choose This Subtitle Generator

Transgate's subtitle generator pairs AI transcription accuracy with pay-as-you-go pricing — no monthly seat fees just to caption a handful of videos. For a detailed side-by-side breakdown against a popular alternative, see our Otter vs Transgate comparison.

Frequently Asked Questions

Is this subtitle generator free?

Yes. Transgate is a free subtitle generator to try, with pay-as-you-go pricing for larger files — no subscription required.

Can I export SRT and VTT files?

Yes. Once your video is processed, you can export subtitles as SRT or VTT files.

Does it support translation?

Yes. After generating subtitles, translate them into 50+ languages using Transgate's translation engine.

How does this subtitle generator handle multiple speakers?

It uses AI speaker diarization to detect who is talking, so interviews and multi-host videos get subtitles aligned to the right speaker.

How accurate is this subtitle generator?

It targets approximately 98% accuracy on clear audio. Background noise, accents, and overlapping speakers can lower accuracy on lower-quality recordings.

Is my video file secure when I use this subtitle generator?

Yes. It's GDPR compliant with end-to-end encryption in transit and at rest, and files are automatically deleted after 30 days.

Ready to Generate Subtitles for Your Video?

Export SRT or VTT in minutes and translate into 50+ languages — free to try, no credit card needed.