Video Tools workspace
AI Subtitle Generator
Generate timed subtitles from video speech, review the text, and download SRT or a captioned video when rendering succeeds.
Drop your video here to generate subtitles
Transcribe spoken dialogue in seconds with automatic language detection, millisecond timing, and instant .SRT export.
MP4, MOV, WebM, AVIUp to 200 MB 100% Private
Or Try an Instant Sample Video with Speech
Test automated captions and timestamp alignment immediately.
![Startup Founder Keynote](data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 640 360" width="100%" height="100%"><defs><linearGradient id="bgG" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" stop-color="%23070914"/><stop offset="50%" stop-color="%230d1224"/><stop offset="100%" stop-color="%23070914"/></linearGradient><linearGradient id="accentG" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" stop-color="%238b5cf6"/><stop offset="100%" stop-color="%23c084fc"/></linearGradient><radialGradient id="halo" cx="50%" cy="50%" r="50%"><stop offset="0%" stop-color="%238b5cf6" stop-opacity="0.35"/><stop offset="100%" stop-color="%238b5cf6" stop-opacity="0"/></radialGradient></defs><rect width="640" height="360" fill="url(%23bgG)"/><circle cx="320" cy="180" r="220" fill="url(%23halo)"/><!-- Waveform bars --><g fill="%238b5cf6" opacity="0.35"><rect x="180" y="160" width="4" height="40" rx="2"/><rect x="195" y="145" width="4" height="70" rx="2"/><rect x="210" y="130" width="4" height="100" rx="2"/><rect x="225" y="150" width="4" height="60" rx="2"/><rect x="410" y="150" width="4" height="60" rx="2"/><rect x="425" y="130" width="4" height="100" rx="2"/><rect x="440" y="145" width="4" height="70" rx="2"/><rect x="455" y="160" width="4" height="40" rx="2"/></g><rect x="24" y="24" width="115" height="26" rx="6" fill="%23000000" fill-opacity="0.75" stroke="url(%23accentG)" stroke-width="1.2"/><text x="36" y="41" fill="%23ffffff" font-family="system-ui,sans-serif" font-size="11" font-weight="700" letter-spacing="1">SPEECH DEMO</text><!-- Burned Subtitle Box --><rect x="60" y="260" width="520" height="34" rx="8" fill="%23000000" fill-opacity="0.85" stroke="white" stroke-opacity="0.15" stroke-width="1"/><text x="320" y="282" text-anchor="middle" fill="%23ffffff" font-family="system-ui,sans-serif" font-size="13" font-weight="bold">Today%20we%20are%20introducing%20tools%20built%20for%20the%20next%20generation.</text><g transform="translate(32,100)"><text x="0" y="0" fill="%23ffffff" font-family="system-ui,sans-serif" font-size="20" font-weight="800">Startup%20Founder%20Keynote</text><text x="0" y="24" fill="%23a1a1aa" font-family="system-ui,sans-serif" font-size="12" font-weight="500">10s%20%E2%80%A2%20English%20Dialogue%20%E2%80%A2%20Studio%20Audio</text></g><circle cx="320" cy="180" r="32" fill="%23000000" fill-opacity="0.65" stroke="url(%23accentG)" stroke-width="2"/><polygon points="314,166 332,180 314,194" fill="%23ffffff"/></svg>)
10sSpeech & PresentationEN
Startup Founder Keynote
Clear vocal delivery with clean technical milestones and mission statement
![Coastal Nature Documentary](data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 640 360" width="100%" height="100%"><defs><linearGradient id="bgG" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" stop-color="%23070914"/><stop offset="50%" stop-color="%230d1224"/><stop offset="100%" stop-color="%23070914"/></linearGradient><linearGradient id="accentG" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" stop-color="%2306b6d4"/><stop offset="100%" stop-color="%2338bdf8"/></linearGradient><radialGradient id="halo" cx="50%" cy="50%" r="50%"><stop offset="0%" stop-color="%2306b6d4" stop-opacity="0.35"/><stop offset="100%" stop-color="%2306b6d4" stop-opacity="0"/></radialGradient></defs><rect width="640" height="360" fill="url(%23bgG)"/><circle cx="320" cy="180" r="220" fill="url(%23halo)"/><!-- Waves --><circle cx="440" cy="130" r="40" fill="%23f59e0b" fill-opacity="0.5"/><path d="M0 210 Q 160 190, 320 210 T 640 210 L 640 360 L 0 360 Z" fill="%2306b6d4" fill-opacity="0.2"/><rect x="24" y="24" width="115" height="26" rx="6" fill="%23000000" fill-opacity="0.75" stroke="url(%23accentG)" stroke-width="1.2"/><text x="36" y="41" fill="%23ffffff" font-family="system-ui,sans-serif" font-size="11" font-weight="700" letter-spacing="1">SPEECH DEMO</text><!-- Burned Subtitle Box --><rect x="60" y="260" width="520" height="34" rx="8" fill="%23000000" fill-opacity="0.85" stroke="white" stroke-opacity="0.15" stroke-width="1"/><text x="320" y="282" text-anchor="middle" fill="%23ffffff" font-family="system-ui,sans-serif" font-size="13" font-weight="bold">High%20above%20the%20cliffs%2C%20the%20morning%20sun%20breaks%20through%20the%20mist.</text><g transform="translate(32,100)"><text x="0" y="0" fill="%23ffffff" font-family="system-ui,sans-serif" font-size="20" font-weight="800">Coastal%20Nature%20Documentary</text><text x="0" y="24" fill="%23a1a1aa" font-family="system-ui,sans-serif" font-size="12" font-weight="500">12s%20%E2%80%A2%20Scenic%20Narration%20%E2%80%A2%20Ambient%20Waves</text></g><circle cx="320" cy="180" r="32" fill="%23000000" fill-opacity="0.65" stroke="url(%23accentG)" stroke-width="2"/><polygon points="314,166 332,180 314,194" fill="%23ffffff"/></svg>)
12sNarrative & VoiceoverEN
Coastal Nature Documentary
Atmospheric documentary commentary describing ocean tide ecology
![Hardware Specs Breakdown](data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 640 360" width="100%" height="100%"><defs><linearGradient id="bgG" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" stop-color="%23070914"/><stop offset="50%" stop-color="%230d1224"/><stop offset="100%" stop-color="%23070914"/></linearGradient><linearGradient id="accentG" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" stop-color="%23ec4899"/><stop offset="100%" stop-color="%238b5cf6"/></linearGradient><radialGradient id="halo" cx="50%" cy="50%" r="50%"><stop offset="0%" stop-color="%23ec4899" stop-opacity="0.35"/><stop offset="100%" stop-color="%23ec4899" stop-opacity="0"/></radialGradient></defs><rect width="640" height="360" fill="url(%23bgG)"/><circle cx="320" cy="180" r="220" fill="url(%23halo)"/><!-- Specs grid --><g stroke="%23ec4899" stroke-width="1.5" opacity="0.3"><line x1="100" y1="140" x2="250" y2="140"/><line x1="100" y1="165" x2="250" y2="165"/><line x1="390" y1="140" x2="540" y2="140"/><line x1="390" y1="165" x2="540" y2="165"/></g><rect x="24" y="24" width="115" height="26" rx="6" fill="%23000000" fill-opacity="0.75" stroke="url(%23accentG)" stroke-width="1.2"/><text x="36" y="41" fill="%23ffffff" font-family="system-ui,sans-serif" font-size="11" font-weight="700" letter-spacing="1">SPEECH DEMO</text><!-- Burned Subtitle Box --><rect x="60" y="260" width="520" height="34" rx="8" fill="%23000000" fill-opacity="0.85" stroke="white" stroke-opacity="0.15" stroke-width="1"/><text x="320" y="282" text-anchor="middle" fill="%23ffffff" font-family="system-ui,sans-serif" font-size="13" font-weight="bold">With%20hardware%20acceleration%20active%2C%20speeds%20are%20three%20times%20faster.</text><g transform="translate(32,100)"><text x="0" y="0" fill="%23ffffff" font-family="system-ui,sans-serif" font-size="20" font-weight="800">Hardware%20Specs%20Breakdown</text><text x="0" y="24" fill="%23a1a1aa" font-family="system-ui,sans-serif" font-size="12" font-weight="500">11s%20%E2%80%A2%20Tech%20Commentary%20%E2%80%A2%20Rapid%20Pacing</text></g><circle cx="320" cy="180" r="32" fill="%23000000" fill-opacity="0.65" stroke="url(%23accentG)" stroke-width="2"/><polygon points="314,166 332,180 314,194" fill="%23ffffff"/></svg>)
11sTech & ReviewEN
Hardware Specs Breakdown
Rapid benchmark analysis with frame numbers and hardware specs
![Creative Studio Walkthrough](data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 640 360" width="100%" height="100%"><defs><linearGradient id="bgG" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" stop-color="%23070914"/><stop offset="50%" stop-color="%230d1224"/><stop offset="100%" stop-color="%23070914"/></linearGradient><linearGradient id="accentG" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" stop-color="%2310b981"/><stop offset="100%" stop-color="%2306b6d4"/></linearGradient><radialGradient id="halo" cx="50%" cy="50%" r="50%"><stop offset="0%" stop-color="%2310b981" stop-opacity="0.35"/><stop offset="100%" stop-color="%2310b981" stop-opacity="0"/></radialGradient></defs><rect width="640" height="360" fill="url(%23bgG)"/><circle cx="320" cy="180" r="220" fill="url(%23halo)"/><!-- Code UI --><rect x="180" y="110" width="280" height="100" rx="10" fill="%230b0e17" stroke="%2310b981" stroke-width="1.5" stroke-opacity="0.4"/><rect x="24" y="24" width="115" height="26" rx="6" fill="%23000000" fill-opacity="0.75" stroke="url(%23accentG)" stroke-width="1.2"/><text x="36" y="41" fill="%23ffffff" font-family="system-ui,sans-serif" font-size="11" font-weight="700" letter-spacing="1">SPEECH DEMO</text><!-- Burned Subtitle Box --><rect x="60" y="260" width="520" height="34" rx="8" fill="%23000000" fill-opacity="0.85" stroke="white" stroke-opacity="0.15" stroke-width="1"/><text x="320" y="282" text-anchor="middle" fill="%23ffffff" font-family="system-ui,sans-serif" font-size="13" font-weight="bold">Our%20automated%20speech%20engine%20will%20transcribe%20each%20word%20precisely.</text><g transform="translate(32,100)"><text x="0" y="0" fill="%23ffffff" font-family="system-ui,sans-serif" font-size="20" font-weight="800">Creative%20Studio%20Walkthrough</text><text x="0" y="24" fill="%23a1a1aa" font-family="system-ui,sans-serif" font-size="12" font-weight="500">13s%20%E2%80%A2%20Step-by-Step%20Guide%20%E2%80%A2%20Clean%20Speech</text></g><circle cx="320" cy="180" r="32" fill="%23000000" fill-opacity="0.65" stroke="url(%23accentG)" stroke-width="2"/><polygon points="314,166 332,180 314,194" fill="%23ffffff"/></svg>)
13sTutorial & GuideEN
Creative Studio Walkthrough
Step-by-step tutorial speech with clear instructional phrasing
Guide & Overview
Instructions & tips
About AI Subtitle Generator
Create timed subtitles from the speech in a video. Select a language or automatic detection, upload the clip for transcription, and download the subtitle text as SRT. The workspace also offers a video with captions when rendering succeeds.
Tool feature
Speech transcription
Generate captions from spoken audio.
Tool feature
Language selection
Choose a supported language or automatic detection.
Tool feature
SRT export
Save timed subtitle text for use in another editor.
Tool feature
Captioned video
Preview and download the returned video when available.
How to Use AI Subtitle Generator
Fast and easy from start to finish
01
Step 1Step 1
Select a supported video up to 150 MB and choose the spoken language.
02
Step 2Step 2
Generate subtitles and wait for online transcription and caption rendering.
03
Step 3Step 3
Review the subtitle text, download the SRT, and save the captioned video if it is available.
Why Choose Exismic AI Subtitle Generator?
What you can do with this tool
Speech transcription: Generate captions from spoken audio.
Language selection: Choose a supported language or automatic detection.
SRT export: Save timed subtitle text for use in another editor.
Captioned video: Preview and download the returned video when available.
Examples to Try
Everyday walkthroughs and starter ideas for AI Subtitle Generator
01
Choose the language of an interview, generate captions, and check names in the SRT.
Things to Know
File requirements, capabilities, and system limits
The upload limit is 150 MB. The file is uploaded for processing.
A successful transcription does not guarantee that captioned-video rendering will also succeed.
Key Concepts & Terminology
Helpful definitions of features and parameters
Burned-in captions
Caption text drawn into the video picture, so viewers cannot switch it off as a separate subtitle track.
Popular Real-World Use Cases
How creators, students, and professionals use AI Subtitle Generator
Add captions to a spoken tutorial.
Create subtitles to import into a video editor.
Frequently Asked Questions (FAQ)
Answers to common questions about AI Subtitle Generator
SRT is a text file containing numbered captions and their start/end times. Many video editors and players can import it.
No. Background noise, accents, names, and overlapping speech can cause errors. Review and correct the downloaded subtitles before publication.
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