Upload any video or audio file and get an accurate AI-powered transcription. Then chat with your content — ask questions, get summaries, and extract insights with timestamp citations.
Upload files up to 1 GB. Knowbase handles the rest.
Most common video format. Ideal for recordings, screencasts, and downloaded videos.
Apple QuickTime format. Perfect for iPhone recordings and Mac screen captures.
Legacy and high-quality video containers. Full support for all common codecs.
Web-optimized video format. Common in browser recordings and screen captures.
Universal audio format. Great for podcasts, voice memos, and music recordings.
Uncompressed audio. Studio-quality recordings with maximum transcription accuracy.
Apple audio formats. Common in iPhone voice memos and iTunes recordings.
Open-source audio formats. Lossless and compressed options for any use case.
No manual work. Upload your file and start chatting in minutes.
Drag and drop any video or audio file into Knowbase. We support files up to 1 GB in all major formats.
Knowbase uses OpenAI Whisper to transcribe your content with near-human accuracy. Supports 90+ languages automatically.
Ask questions about your video or audio content. Get AI-powered answers with clickable timestamp citations that jump to the exact moment. Download the full transcript anytime.
Powered by OpenAI Whisper, the same technology behind ChatGPT's voice features. Near-human accuracy across 90+ languages with automatic language detection.
Don't just read — interact. Ask questions about your recordings, request summaries, or search for specific topics mentioned in your videos and audio files.
Every AI answer includes clickable timestamp references. Click to jump directly to the exact moment in the video — verify information instantly without scrubbing through hours of content.
Combine video and audio transcriptions with PDFs, documents, and other files. Search across all your knowledge at once and get answers that span multiple sources.
Knowbase identifies different speakers in your video and audio files automatically. See who said what, rename speakers, and search by speaker.
Replace generic labels with real names. Speaker names appear in the transcript and in AI answers.
Ask questions about what a specific speaker said. The AI filters retrieval to that person's segments.
Download transcriptions as SRT, VTT, or TXT with speaker names included in every segment.
Want to learn more about transcription features?
See all transcription features →Transcribe recorded lectures, lab discussions, and interviews. Search through hours of audio to find exactly what you need for your thesis or paper.
Turn podcast episodes into searchable text. Create show notes, blog posts, and social clips from your audio and video content automatically.
Transcribe meeting recordings, client calls, and training sessions. Never lose track of action items or decisions made in video conferences.
Transcribe depositions, hearings, and recorded statements. Search through legal recordings with timestamp precision for case preparation.
Transcribe patient consultations, medical lectures, and conference presentations. Build a searchable library of medical knowledge from recorded content.
Transcribe field recordings, interviews, and press conferences. Search audio archives for quotes and verify facts with timestamp citations.