01
Bring the footage
Upload your video or audio file. We prepare the audio without interrupting your flow.
MP4 · MOV · MKV · WebM
AI subtitle workspace for creators
Your video speaks.
The world listens.
Transcribe, translate, edit, and export professional subtitles in one focused workspace. Built for creators who care about every frame.
30 minutes free monthlyNo credit card99+ languages
launch-film.mp4 · saved
1080p
Make every frame understood.
让每一帧都被世界理解。
00:18 / 01:42
00:18
Make every frame understood.
让每一帧都被世界理解。
AI synced
1,400+
creators
99+
languages
30 min
free every month
1080p
video export
One continuous workflow
From raw footage to
publish-ready subtitles.
02
Let AI build the first cut
Whisper transcription and contextual translation create a synced bilingual draft in minutes.
99+ translation languages
03
Finish like an editor
Review every line beside the video, refine timing, then export subtitles or a ready-to-publish video.
SRT · VTT · Burn-in
Bilingual editor
See the source and translation in the same moment.
Edit wording, split lines, merge captions, and keep the translation aligned without jumping between tools.
00:18.240 — 00:21.080
Stories should travel further than language.
故事不该被语言限制。
00:21.080 — 00:24.320
That is why we built SubFlow.
这就是我们打造 SubFlow 的原因。
Context-aware
Translation that reads like a human wrote it.
Language-aware processing preserves meaning, tone, and natural phrasing across 99+ languages.
EN → 中文EN → 日本語ES → ENAR → FR
4×
faster than real-time processing on typical footage.
Wherever your footage lives
Subtitle the videos you already have.
Save the file from Drive, Dropbox, TikTok, Instagram or your own archive, upload it here, and SubFlow turns the speech into timed captions you can translate, edit, and export. Each guide covers the formats, limits, and best export path for that source.
Simple monthly plans
Start small. Publish bigger.
Every plan includes the focused editor and all supported languages. Upgrade only when your production grows.
Free
$0
Explore the complete workflow
- 30 processing minutes / month
- 15-minute videos
- 99+ languages
- SRT and watermarked video
Basic
$2.99/ month
For a steady publishing rhythm
- 200 processing minutes / month
- 60-minute videos
- No export watermark
- Full HD video export
Pro
$9.99/ month
For serious production volume
- 1,000 processing minutes / month
- 180-minute videos
- AI voiceover dubbing
- Priority processing + H.265
Monthly billing · cancel renewal anytime · prices shown in USD
Before you begin
Questions,
answered clearly.
SubFlow uses Whisper speech recognition and contextual translation. Results vary with audio quality, but the built-in editor makes every line easy to review and refine.
Export SRT subtitles or a video with subtitles burned in. Paid plans support watermark-free Full HD export.
Projects are private to your account. You can delete project media and account data from the product at any time.
Yes. The Android app is available on Google Play, while the web workspace is designed for detailed editing on larger screens.