Copyseeker vs Glasp YouTube Summarizer
Side-by-side comparison · Updated October 2026
| Description | Copyseeker helps you investigate where an image appears online. Upload a file or paste an image URL to find source leads, compare publication context and research possible reuse. Free access and paid web plans are available; matches still need manual verification. | YouTube Summary with ChatGPT & Claude is a versatile Chrome Extension designed to generate quick summaries of YouTube videos and web articles. Users can add it to both Chrome and Safari browsers without any sign-up. With features like video transcripts, customizable prompts, and summaries in multiple languages, it helps enhance productivity and learning. Trusted by over 1.5 million users globally, the extension is known for its time-saving benefits and ease of use. It has also been featured in top publications worldwide. |
| Category | AI Detection | Summarization |
| Rating | No reviews | No reviews |
| Pricing | Freemium | Free |
| Starting Price | Free | Free |
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| Tags | Reverse Image SearchImage SourcesVisual ResearchWeb SearchImage Analysis | Chrome ExtensionSafari ExtensionSummaryYouTubeTranscript |
| Features | ||
| Reverse image search from an uploaded file or image URL | ||
| Source and context research using web image matches | ||
| Results described as ordered by site authority | ||
| JPEG, PNG, WebP and GIF support; 20 MB maximum in the Terms | ||
| Free access plus paid web plans | ||
| Uploaded-image deletion within 24 hours under the Privacy Policy; separate result and usage-data retention | ||
| Video transcripts in multiple languages | ||
| Customizable prompts for AI models | ||
| Summaries available in multiple languages | ||
| Choice of AI models for summarization | ||
| Timestamped transcripts | ||
| Highlighting and note-taking within transcripts (Glasp integration) | ||
| PDF and webpage summaries | ||
| Follow-up questions for AI responses | ||
| No sign-up required | ||
| User-friendly interface | ||
| View Copyseeker | View Glasp YouTube Summarizer | |
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