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.
64 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
Free PDF editor with a built-in AI assistant for documents
AI research workspace for citations, literature reviews and writing
Converts PDFs, Word and EPUB to Markdown, then lets you chat
Reference manager with an AI assistant for papers and patents
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
AI assistant in Acrobat and Reader for summaries and document Q&A
Data labeling platform for images, video, text and medical scans
AI quantity takeoffs and drawing checks for civil contractors
Scriptable annotation tool for training NLP, vision and LLM models
Online PDF editor with an AI summarizer and document chat
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
Platform for building custom AI training and evaluation data
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