kitio.aiAll AI tools
Every tool in the directory (10,042). Filter by category and price, or search by what you want to do.
Every tool in the directory (10,042). Filter by category and price, or search by what you want to do.
48 tools for “PDF Annotation”
Handwritten note-taking app with AI search, math help and summaries
PDF editor with an AI assistant for summaries, chat and translation
Handwriting and audio note app with AI summaries and study tools
Converts PDFs, Word and EPUB to Markdown, then lets you chat
AI research workspace for citations, literature reviews and writing
Note-taking and spaced-repetition flashcards in one app
Converts PDFs to Markdown locally, with paid OCR for scans
Highlight confusing text in a paper and get a plain explanation
Agentic document extraction API with citations for every field
AI research workspace for PDFs, videos and web pages
AI workspace for reading, writing and analyzing research papers
AI PDF editor for chatting with, summarizing and converting files
Data labeling platform for images, video, text and medical scans
Summarizes PDFs, Word files, text and audio for a chosen reader
Reading workspace that explains articles, PDFs, videos and podcasts
Finds and permanently redacts personal data in PDF documents
Online PDF editor with an AI chat for asking about your files
Google's AI research notebook, formerly NotebookLM
Chat with any PDF and get answers linked to the source page
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