Online Subtitle Generator

Fast, free captions for any video — no signup, no watermark.

Upload file

Upload a file up to 10MB

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MP4, MOV, WEBM, MKV, MP3, WAV

Choose output format

Add Subtitles in Minutes

Professional SRT Subtitles Instantly

Upload your video to get perfectly timed SRT captions in seconds.

Professional SRT Subtitles Instantly

Upload your video to get perfectly timed SRT captions in seconds.

Professional SRT Subtitles Instantly

Upload your video to get perfectly timed SRT captions in seconds.

Professional SRT Subtitles Instantly

Upload your video to get perfectly timed SRT captions in seconds.

Works With All Video Platforms

Get SRT, VTT, TXT or burnt-in captions for YouTube, TikTok, Instagram, etc.

Works With All Video Platforms

Get SRT, VTT, TXT or burnt-in captions for YouTube, TikTok, Instagram, etc.

Works With All Video Platforms

Get SRT, VTT, TXT or burnt-in captions for YouTube, TikTok, Instagram, etc.

Works With All Video Platforms

Get SRT, VTT, TXT or burnt-in captions for YouTube, TikTok, Instagram, etc.

Perfect Timing Every Time

AI picks optimal line length and speed so viewers never miss a word.

Perfect Timing Every Time

AI picks optimal line length and speed so viewers never miss a word.

Perfect Timing Every Time

AI picks optimal line length and speed so viewers never miss a word.

Perfect Timing Every Time

AI picks optimal line length and speed so viewers never miss a word.

Try Before You Commit

Generate and preview subtitles free, then upgrade for advanced editing.

Try Before You Commit

Generate and preview subtitles free, then upgrade for advanced editing.

Try Before You Commit

Generate and preview subtitles free, then upgrade for advanced editing.

Try Before You Commit

Generate and preview subtitles free, then upgrade for advanced editing.

Why Use Our Free Subtitle Generator?

Rask AI’s Subtitle Generator adds accurate captions, perfect timing, and supports 130+ languages — free for files up to 100 MB:

No account required — create your first subtitles instantly without signup

Perfect timing — AI calculates ideal duration and line breaks for smooth reading

Platform ready — export formats work with YouTube, TikTok, Instagram, and all major players

Multi‑language support — generate captions in 130+ languages with native‑speaker accuracy

Who Uses Our Subtitle Generator?

Content Creators & YouTubers

Boost engagement by 80 % with captions and reach global audiences.

Content Creators & YouTubers

Boost engagement by 80 % with captions and reach global audiences.

Content Creators & YouTubers

Boost engagement by 80 % with captions and reach global audiences.

Content Creators & YouTubers

Boost engagement by 80 % with captions and reach global audiences.

Business & Marketing Teams

Add subtitles to promos, demos, and webinars for accessibility & SEO.

Business & Marketing Teams

Add subtitles to promos, demos, and webinars for accessibility & SEO.

Business & Marketing Teams

Add subtitles to promos, demos, and webinars for accessibility & SEO.

Business & Marketing Teams

Add subtitles to promos, demos, and webinars for accessibility & SEO.

Educators & Trainers

Make lessons, tutorials, and courses accessible to every student.

Educators & Trainers

Make lessons, tutorials, and courses accessible to every student.

Educators & Trainers

Make lessons, tutorials, and courses accessible to every student.

Educators & Trainers

Make lessons, tutorials, and courses accessible to every student.

Social Media Marketers

Stop‑the‑scroll videos with eye‑catching auto captions made for silent autoplay.

Social Media Marketers

Stop‑the‑scroll videos with eye‑catching auto captions made for silent autoplay.

Social Media Marketers

Stop‑the‑scroll videos with eye‑catching auto captions made for silent autoplay.

Social Media Marketers

Stop‑the‑scroll videos with eye‑catching auto captions made for silent autoplay.

Podcasters

Turn audio shows into captioned videos and improve discoverability across platforms.

Podcasters

Turn audio shows into captioned videos and improve discoverability across platforms.

Podcasters

Turn audio shows into captioned videos and improve discoverability across platforms.

Podcasters

Turn audio shows into captioned videos and improve discoverability across platforms.

Need More Features?

AI translation in 130+ languages with lip‑sync

Voice‑clone support for 32 languages

Editable SRT with multi‑speaker support and timestamp control

Dedicated teamspaces for real‑time collaboration

API to integrate full localization into your platform

Try it now for free

Over 2 000 000 happy users

Need More Features?

AI translation in 130+ languages with lip‑sync

Voice‑clone support for 32 languages

Editable SRT with multi‑speaker support and timestamp control

Dedicated teamspaces for real‑time collaboration

API to integrate full localization into your platform

Try it now for free

Over 2 000 000 happy users

Need More Features?

AI translation in 130+ languages with lip‑sync

Voice‑clone support for 32 languages

Editable SRT with multi‑speaker support and timestamp control

Dedicated teamspaces for real‑time collaboration

API to integrate full localization into your platform

Try it now for free

Over 2 000 000 happy users

Need More Features?

AI translation in 130+ languages with lip‑sync

Voice‑clone support for 32 languages

Editable SRT with multi‑speaker support and timestamp control

Dedicated teamspaces for real‑time collaboration

API to integrate full localization into your platform

Try it now for free

Over 2 000 000 happy users

Join our AI experts

community

Meet and learn from creators & companies who share how they use AI to create better content at lightning speed

Join

[email protected]

Join our AI experts

community

Meet and learn from creators & companies who share how they use AI to create better content at lightning speed

Join

[email protected]

Join our AI experts

community

Meet and learn from creators & companies who share how they use AI to create better content at lightning speed

Join

[email protected]

Join our AI experts

community

Meet and learn from creators & companies who share how they use AI to create better content at lightning speed

Join

[email protected]