Local-First • Augmented by AI

Subtitling at Ease

Everything you need to create, review, and deliver subtitles locally, with the right AI at the right time.

Use the Free WorkspaceSee Pricing

Local-first by default

Keep everyday review close to your files.

You stay in control

Review timing, text, and exports before delivery.

AI that augments your workflow

Use automation only where it earns its place.

SubFT
Documentary - Northern LightsEdited
English (US)FrenchJapanese
The aurora paints the sky in shifts of green and violet.
00:00:12,840
1.0x
#StartEndDurationText
100:00:07,13000:00:10,2403,120In the far north,
200:00:10,24000:00:15,4005,160the aurora paints the sky
300:00:15,40000:00:19,9204,520in shifts of green and violet.
400:00:19,92000:00:24,1604,240A natural wonder,
01

Start From Local Files

Import media from your computer. SubFT scans, organizes and edits large files locally.

Supported formats

MP4MKVMOVWebMMP3WAVSRTVTTASS
Check file support
Import
Project LibraryDocumentary - Northern Lights
10 items
NameTypeDurationSize
intro.mp4Video00:01:24128.4 MB
interview_01.mp4Video00:02:31256.7 MB
broll_mountains.mp4Video00:00:4782.1 MB
city_timeline.mp4Video00:01:15112.8 MB
ambient.wavAudio00:02:0819.6 MB
title_card.pngImage00:00:051.2 MB
outro.mp4Video00:00:3354.2 MB
music.mp3Audio00:02:2021.3 MB
notes.txtText-1 KB
readme.mdText-2 KB
the aurora paints the sky
00:00:10,240 / 00:01:24,320
1.0x
200:00:10,24000:00:15,4005,160the aurora paints the sky
#StartEndDurationText
100:00:07,12000:00:10,2403,120In the far north,
200:00:10,24000:00:15,4005,160the aurora paints the sky
300:00:15,40000:00:19,9204,520in shifts of green and violet.
400:00:19,92000:00:24,1604,240A natural wonder,
500:00:24,16000:00:28,7604,600dancing above the peaks.
600:00:28,76000:00:32,8804,120It reminds us how small
700:00:32,88000:00:36,5603,680we truly are.
02

Review and Create Subtitle Tracks

Check timing against your local media, refine every cue, and use editing tools without losing playback context.

  • Accurate time navigation
  • Waveform timing and text editing context
  • Instant cue preview before export
Edit Split Merge Duplicate Delete
Read the editor guide
03

Use AI When You Want To

Choose the right source. Let AI do the heavy lifting while you stay in control.

Explore AI jobsSee AI pricing
Audio track

Transcribe

Generate accurate transcriptions from audio with timestamps.

Existing track

Translate

Translate subtitles to any language while preserving timing.

Image subtitles

OCR

Extract text from burned-in subtitles and turn them into editable captions.

04

Export Clean Deliverables

Export sidecar files for maximum compatibility, or embed subtitles directly into your video.

Sidecar (separate subtitle files)

SRTVTTASS

Use with any player or platform.

Embedded (burned-in subtitles)

The journey is the destination.

Create a new video with subtitles burned in.

Ready when you are

Start with local subtitle work.

Open the free workspace, follow the guides when you need them, and add AI only where it helps.

Use the Free WorkspaceRead the DocsOpen FAQ

Workspace included

Use the workspace on your computer free of charge.

Batch AI jobs

Process one or many files in one go. Transparent and on your terms.

Fast operations with local media

Your media files stay on your device. No lengthy video uploads.