Extract Hardcoded SubtitlesΒ From Videos

SubExtractor uses AI OCR to extract hardcoded (burned-in) subtitles and convert them to editable SRT/VTT/ASS files. Multilingual, accurate, and private.

4.7 (1,321 reviews)

Trusted by 15,374 users worldwide

Select subtitle area
Hardcoded subtitles displayed on your video frame
Recovered Subtitles:99% Complete

Hardcoded subtitles detected from your video

SubExtractor extracts burned-in captions automatically

Editable SRT subtitle file ready to download

One-Click Extraction!

Drag and drop video files or click to select

Supports MP4, AVI, MOV, and more

Key Features

AI Smart Recognition

Advanced AI engine precisely detects and transcribes various hardcoded and embedded subtitles, adapting to different fonts, backgrounds, and video qualities

Dual Format Output

Choose SRT files for video editing and playback, or select searchable PDF documents for easy archiving and sharing

Batch Processing

Support for uploading and processing multiple videos simultaneously, enhancing work efficiency for large projects

Multiple Output Formats

Export to SRT, ASS, TXT, PDF, and other common formats to suit various post-production and application scenarios

40+ Language Support

Comprehensive support for subtitle extraction in over 40 languages, facilitating global content creation

Precise Timecode Matching

SRT output automatically matches precise timecodes, ensuring subtitles are perfectly synchronized with the video

On-Screen Subtitle Recognition

Our powerful AI technology accurately extracts any on-screen subtitles and captions, making your video content more accessible and ready for editing.

Extract Every On-Screen Subtitle

Our AI technology captures and extracts hardcoded subtitles, burned-in captions, lower-third graphics, and presentation callouts.

1

Full-Scene Subtitle Recognition: Captures subtitles, captions, signage, and product callouts across every frame

2

Instant Conversion: Transform frozen frames into searchable subtitle files with precise timestamps

3

Multi-language Support: Works with 40+ languages and adapts to different fonts, sizes, colors, and backgrounds

Advanced Subtitle Extraction Technology

AI-Powered Detection & Accuracy

Our advanced AI hardcoded subtitle extraction precisely identifies burned-in subtitles (hardsubs, open captions) regardless of font or background. Achieves up to 99% accuracy for clear content.

Frame-Perfect Synchronization

Get subtitles with exact timecodes, ensuring perfect synchronization with your video for a professional viewing and post-production workflow.

Broad Language & Format Support

Supports subtitle extraction in 40+ languages, including complex scripts. Export your subtitles in SRT, ASS, VTT, and other industry-standard formats.

Universal Video Compatibility

Process videos in almost all common formats, including MP4, AVI, MOV, MKV, WMV, and more, ensuring a smooth workflow for all your projects.

Hardcoded Subtitle Extraction

Effortlessly extract hardcoded subtitles from video and convert them into editable subtitle files. Our AI subtitle extractor ensures industry-leading accuracy, precise timing, and broad compatibility, saving you hours of manual work.

Subtitle Formats We Handle

Understand how SubExtractor treats different subtitle workflows so you can select the best approach for your video.

Hardcoded / Burned-in Subtitles

Permanently baked into the video frames. SubExtractor applies AI OCR to detect every frame and rebuild precise SRT or PDF files.

Embedded Tracks

Stored as subtitle streams inside the container (MKV, MP4). We extract them while preserving original timing, styling, and multi-language tracks.

Soft Subtitle Files

Sidecar files like SRT, VTT, or ASS. Import them to translate, clean up timing, or convert formats alongside your hardcoded extraction.

Who Uses SubExtractor?

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Content Creators

Extract hardcoded subtitles and key captions from video material for creative content, mashups, and archiving

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Educators & Researchers

Convert lectures, seminars, and interviews into searchable subtitle transcripts for learning and academic analysis

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Media Organizations

Efficiently manage hardcoded subtitle recovery, content indexing, and media asset management

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Enterprise Teams

Transform training videos, product demos, and meetings into searchable subtitle documentation

How It Works

1

Effortless Video Upload

Supports almost all mainstream video formats, including MP4, MOV, AVI, MKV. Simply drag and drop or select files to begin

2

Select Subtitle Region

Select the subtitle or caption area to improve recognition accuracy for special layouts.

3

AI Fully Automatic Extraction

Our AI engine rapidly processes the video, intelligently detecting and completely extracting all hardcoded subtitles and on-screen captions

4

One-Click Download & Edit

Download subtitle files in various formats (SRT, ASS, TXT, PDF) and use our convenient online editor for instant proofreading and adjustments

Frequently Asked Questions

What video formats does SubExtractor support for subtitle extraction?
We offer broad compatibility with mainstream video formats, including but not limited to MP4, AVI, MOV, MKV, WMV, etc. If you encounter a specific format not listed, feel free to contact our technical support team; we are here to assist you.
What types of subtitle content can SubExtractor recover from videos?
SubExtractor accurately recovers all permanently embedded subtitle content in videos. This includes hardcoded subtitles (open captions) as well as visible captions within presentations, software interfaces, charts, and other on-screen callouts.
How accurate is SubExtractor's video subtitle recognition and extraction?
When processing clear videos with relatively standard fonts, SubExtractor's AI subtitle recognition typically achieves an accuracy rate of over 95%. Please note that the video's quality (e.g., resolution, clarity), font design, and the contrast between subtitles and background can affect the final recognition results.
What languages does SubExtractor support for subtitle extraction?
To meet the needs of global users, SubExtractor currently supports video subtitle extraction and on-screen recognition in over 40 languages, covering major languages such as Chinese (Simplified/Traditional), English, Japanese, Korean, French, German, Spanish, and more. Our language library is continuously expanding.
Can the extracted subtitles be edited?
Absolutely! SubExtractor not only provides extraction features but also includes a convenient built-in online editor. You can directly modify the recovered subtitle content on the webpage, adjust timelines, correct typos, etc. Additionally, all extracted results can be downloaded in various standard formats like SRT, ASS, TXT, and PDF, allowing you to import them into professional video editing software or localization tools for deeper personalization.
Is there a limit to video length?
Free accounts can process videos up to 30 minutes. Pro accounts can process videos up to 2 hours, and Business accounts have no length restrictions.

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