SuperAPI AI Directory

NoteAI

AI knowledge extractor with video and PDF summarization

Open website

About this tool

NoteAI is a next-generation AI knowledge extraction tool, officially positioned to help users convert YouTube videos, PDFs, audio, web pages, and documents into summaries, notes, transcripts, translations, and mind maps. Its official description emphasizes "quickly turning long content into usable output," making it suitable for learning, research, and work.

In terms of use cases, NoteAI covers multiple scenarios: students can turn lectures, slides, and long reading materials into concise notes, transcripts, and review summaries; researchers can more quickly extract arguments, evidence, and key findings from papers, PDFs, interviews, and recorded discussions; professionals can distill the key points of meetings, reports, webinars, and documents to generate action items, briefs, and a searchable knowledge base; content creators can turn videos, podcasts, and web pages into publishable notes, scripts, subtitles, and an idea library.

Main capabilities include: Video summarization—summarize YouTube videos into notes and key points, with support for exporting transcripts; YouTube subtitles can be saved in a format that is easy to edit or review; YouTube content can also be converted into notes, or video content into formats such as MP3 and MP4. File and long-form processing—convert files, audio, images, web pages, and long content into concise summaries, mind maps, and notes; extract key points and timestamps from video files; convert audio into summaries, transcripts, and notes; extract text and insights from screenshots and images; summarize long web pages into clear key points. Mind maps—convert videos, PDFs, articles, notes, and research content into editable AI mind maps; also create structured mind maps from topics, plans, or ideas; convert YouTube videos into visual mind maps; summarize articles into organized AI mind maps; convert PDFs into visual outlines. PDF tools—support translation (preserving layout as much as possible), reading long PDFs with AI summaries and quick answers, chatting with PDFs and getting cited answers, and multilingual OCR text extraction for scanned PDFs.

Applicable scenarios cover learning, research, work, and content creation. Official user reviews mention that the YouTube summarizer can be used to quickly review long interviews and webinars; the PDF reader can read the summary first and then jump to the relevant sections; PDF Chat can directly obtain the needed parts of a textbook by asking questions; the YouTube Transcript tool can extract the full transcript and search for technical details; Insight Cards can be shared with teams as quick briefs; the app processes quickly.

In terms of pricing, the official offering provides tiered pricing: one tier is 1,0 per month00 Credits, subtitled YouTube videos up to 2 hours, unsubtitled summaries (up to 2 hours), export subtitles (SRT/TXT) and audio (MP3), document summaries support Word/PPT/Excel/TXT/MD (unlimited pages), unlimited mind maps and HD image export, advanced model (Pro), audio summary support (500MB/file), PDF full-text translation (1:1 layout), all premium Insight Card templates (no watermark), processing limit 100MB/unlimited pages, ad-free unlimited 4K YouTube downloads, officially described as "only $0.27 per day." Another tier is 3,000 Credits per month, including subtitled YouTube videos of unlimited duration, export subtitles + audio + HD video (MP4), document summaries in all formats and flagship model analysis, unlimited mind maps and vector PDF export, flagship models (Ultra/Claude 3.5), audio summary support (1GB/file), Insight Card custom brand templates, processing limit 200MB/unlimited pages. In addition, a free tier is mentioned: 15 Credits per month, including subtitled videos up to 30 minutes (transcribed by credit when the subtitle service fails), YouTube export only preview summaries (not downloadable), file summaries only PDF (up to 50 pages), mind maps only preview (not exportable), only basic model (fast), no audio summary support (MP3/WAV), PDF basic translation (5 pages each time), Insight Card basic templates (with watermark), processing limit 5MB/50 pages, YouTube downloader free 720P (with ads). All plans include 24/7 support and the core NoteAI experience.

Regarding limitations, the official materials do not specify detailed technical limitations or terms of use, and some features (such as the model list beyond the specific names of the flagship models) are not fully expanded in the provided text. The official page has an FAQ section, but the provided text does not include its detailed content.