Epub Annotation

Edash is an open‑source AI tool that organizes, tags, and searches book highlights locally, linking similar passages across works. It supports Kindle, JSON, CSV imports, offers full‑text and fuzzy search, re‑phrasing, and export to e‑pub while keeping data on the device.

Ebookmaker turns a title or brief description into a fully structured e‑book, letting users choose chapters, edit text, insert images, tweak layout, add media, convert to audiobooks, and export as PDF, ePub, or FlipBook.

Automateed uses conversational AI to draft full books—up to 150+ pages—adding illustrations and covers. It exports PDFs, EPUBs, MOBIs, supports 100+ languages, offers editing, and a publishing marketplace with secure payouts.

Semantic Scholar indexes 230 million papers, offering AI‑powered semantic search that prioritizes relevance and citation impact. It provides contextual PDF annotations, a developer API, and export options for literature reviews, grant research, and teaching.

SoBrief provides 26,000+ book summaries in audio, PDF, and EPUB. Users read or listen in about ten minutes, customize playback speed, bookmark, track history, download, and select from multiple languages.

Youbooks transforms uploaded PDFs, DOCX, TXT, or transcripts into structured non‑fiction chapters, augments them with web research, allows voice training from 20–200k words, and uses multiple LLMs for ideation, drafting, and export in DOCX, EPUB, Markdown, or RTF.

Markup Annotation Tool converts unstructured data into structured datasets, streamlining the annotation process for NLP and ML applications. Powered by GPT-4, it enhances accuracy and efficiency, supporting rapid training dataset creation for improved model performance.

Narrator converts ePub, PDF, DOCX, TXT, and RTF files into natural‑sounding speech in over 25 languages. Playback speed ranges from 0.5× to 3×, and audio can be exported as a single .m4a file. Works offline after voice download.

Unearthed syncs and deduplicates highlights from Kindle and KOReader, indexes and searches across books, notes, and highlights, generates daily reflections and study questions, integrates with Obsidian/Notion, supports local-first deployment and optional AI analyses.

BookTranslator automatically translates entire books into 168+ languages, preserving tables, images, and formatting across EPUB, PDF, DOCX, etc., within minutes. It offers side‑by‑side comparison, supports up to 300 MB files, and delivers instant downloadable copies.

Readever is an AI reading assistant for EPUBs that creates highlights, smart annotations and insight cards, offers real-time explanations, translations and on-page Q&A, builds an exportable knowledge base, and supports mentor-style discussions and character/concept tracking.

BookBud.ai lets self‑published authors generate, edit, and publish fiction and non‑fiction in ebook, print, and audiobook formats. It supports 10 languages, adds images, manages APA references, auto‑creates covers, and offers AI narration for cloned voices.

LightPDF lets users chat with PDFs, Word, Excel, PowerPoint, EPUB, performing OCR on scanned documents and handling multiple files per session. It returns plain text, lists, tables or markdown with citations, supporting over 100 languages in a cross‑platform interface.

EasyMark uses AI to grade PDFs, images, and scanned essays, generating error lists, improvement suggestions, and rubric-based scores. It handles up to 750 essays monthly, boosting grading speed while ensuring consistent, detailed feedback.

Audeus is a web-based text-to-speech tool that enhances reading efficiency by converting various document formats into audio, synchronizing highlighted text, and allowing users to customize playback speed for improved comprehension and focus.

Heptabase is a visual note-taking and knowledge management tool that enables users to create interconnected notes across various formats, annotate PDFs, and collaborate in real-time, enhancing the organization and understanding of complex topics.

Scholarcy turns PDFs, articles, book chapters, and YouTube videos into concise summaries and flashcards. Users can annotate, highlight, and export the content to citation managers, Excel, or Word, streamlining literature reviews and study workflows.

Shortform offers a searchable library of 10,000+ concise, structured book, podcast and article summaries with chapter breakdowns, audio narration, PDFs, highlights, note-taking, retention exercises, topic tagging, cross-references and community discussion for applied learning.

BookEdit is an innovative book editing solution that speeds up the modification process with advanced proofreading, paraphrasing, translation, and expansion features.

aiPDF lets users upload PDFs, EPUBs, URLs or YouTube links to extract data, summarize content, and ask context‑specific questions. It returns source‑backed answers, supports any file size, auto‑deletes uploads, and offers response exports.

Ink AI revolutionizes eBook creation by converting spoken words into fully designed eBooks and flipbooks seamlessly. Users enjoy 100% human-like content generation, 3D eCovers, and effortless publication on its marketplace and syndication to 50+ platforms, leveraging various sources like URLs and vi

Genei automatically summarizes PDFs and webpages, extracts keywords, and produces citations. It supports multi‑document summarization, search, Q&A, project organization, annotation, and a Chrome extension for on‑the‑fly summarizing—ideal for researchers and writers.

BookFab downloads and decrypts ebooks and audiobooks from Kindle, Kobo, Audible and other stores, converts and batch-processes files to EPUB/PDF/MP3/FLAC/OPUS, preserves formatting and metadata, offers DRM removal, a Calibre plugin and AI TTS with voice cloning.

AI Book Generator lets authors produce full books in three steps: choose a title/genre, plan chapters with AI prompts, and export the manuscript. Supports 30+ languages and formats like EPUB, PDF, DOC, plus cover design and chapter editing.

Online article summarizer that condenses long texts into concise summaries, extracting metadata, estimating reading time, and removing ads for a distraction‑free view. Supports text, URLs, PDFs, DOC/DOCX up to 25 MB, with a browser extension for instant page summarization.

Quizgecko turns PDFs, slides, videos, and webpages into structured courses with interactive quizzes, flashcards, notes, and podcasts. It auto‑generates various question types, tracks progress, lets users customize difficulty, share content, and embed in LMS or corporate training.

PDFgear is a cross‑platform PDF editor that allows editing of text, images, shapes, and form fields; supports annotations, batch conversion to Word/Excel/PowerPoint, OCR in 30+ languages, AI chat summaries, and merge/split/compress/sign functions.

Epsilon is an AI‑powered search engine indexing over 200 million academic papers, retrieving the top 100 results per query. It uses GPT‑4 to provide concise, citation‑rich summaries, supports batch data extraction, private libraries, and aids meta‑analyses and proposal drafting.

UnitLab is a cutting-edge, collaborative AI data annotation platform boosting efficiency by 15x through auto-annotation tools. It excels in various annotation types, project management, and automated tasks for accurate object detection and OCR in 123 languages.

Myreader is an AI reading assistant that accepts PDFs, EPUBs, YouTube videos, and web articles, enabling chat‑based queries, concise summaries, contextual citations, and text‑to‑speech in 50+ voices across 30 languages. Secure cloud storage supports large libraries.

NoteGPT transcribes and summarizes lectures, meetings, and recordings in any language, offering PDF/PPT/book/video overviews, translation, and AI drafting tools. It also supports text‑to‑speech, voice cloning, infographics, slide generation, and multi‑model chat assistance.

kOS lets users import PDFs and annotate them in one interface. An AI layer answers questions about any part of the document, distinguishes user vs. web content, auto‑generates slide decks and citation exports—all locally for privacy.

AskYourPDF lets users upload PDF or text files to ask questions and retrieve instant answers. It instantly summarizes long documents, supports keyword search across multiple files, and offers a shared library with mobile, Chrome, and plugin access, all GDPR‑compliant.

AI Book Summarizer is a tool that converts lengthy texts into concise summaries using AI, supporting PDF, EPUB, and TXT uploads. It offers chapter analysis, multilingual support, and secure encrypted processing with an AI chat feature for deeper exploration.

EchoMark embeds invisible, recipient-specific steganographic watermarks in emails, documents, images and attachments to trace leaks, supports Exchange/Google Workspace and SecureView links, provides forensic matching, access controls, analytics, revoke options, and APIs for DLP integration.

Scribbr offers academic writing support with professional editing, plagiarism detection, citation generation across styles, AI‑powered proofreading, paraphrasing, summarizing, sentence rewriting, and a Chrome extension for in‑browser citations, helping students and researchers produce polished manus

Memo AI is a workspace that ingests PDFs, videos, websites, and text, extracting structured content into semantic chunks with vector embeddings for hybrid keyword‑semantic retrieval. It generates flashcards, tests, summaries, mind maps, and supports active‑recall, spaced repetition, multilingual AI

PinMy is a cross‑platform visual collaboration platform that lets teams annotate images, PDFs, and design files with text, voice, or pixel‑linked markers, share the results via email, Slack, or SMS, and track feedback history in a single, paper‑free workflow.

AI tutor that transforms PDFs, videos, slides, and recordings into study notes, quizzes, podcasts, and personalized exams, providing key takeaways, answer breakdowns, progress tracking, and interactive chat support for learners and educators.

iChatbook lets users chat through full book collections, fetch precise passages via vector search, build knowledge graphs, and adapt summaries to reading levels. It retains conversation history for revisiting insights and supports role‑management for training teams.

PdfGPT summarizes PDFs and folders, structures and links documents, supports conversational search for questions, comparisons, clause spotting. Built‑in agents perform compliance, risk, fact‑checking, and export results as notes, citations, or redlined docs.

Elepha is an AI writing assistant that streamlines research, improves writing quality, and generates content using GPT-3 technology. It requires an OpenAI account and offers a 30-day free trial.

Lint is a digital library offering thousands of classic eBooks across genres. Users can browse online, read for free, and wirelessly transfer selected titles to Kindle. Its searchable interface works by title or author and includes related blog and genre content.

Zubtitle automatically captions videos, offers brand‑style templates and editing tools, and outputs ready‑to‑post formats for TikTok, YouTube, and LinkedIn. It adds subtitles, chapter timestamps, watermarks, and AI‑generated post copy.

ChatPDF lets users upload PDFs for conversational queries, mapping content and providing cited answers. It supports folders for combined documents, side‑by‑side chat and source viewing, and offers multilingual input and output.

Lettria transforms unstructured PDFs into structured knowledge graphs, enabling precise, traceable answers in regulated sectors. Its NLP modules extract tables, diagrams, entities, and relationships, combining graph retrieval with vector search to improve accuracy and support audit‑ready compliance

Paragraph lets writers publish articles freely without paywalls, share directly to social media and blogs, and monetize through email subscriptions or blockchain wallets. Authors retain full ownership and track readership with built‑in analytics.

Agentic Document Extraction pulls structured data from PDFs, images, spreadsheets using vision‑first parsing, preserving layout and delivering bounding‑box citations. Modular REST APIs and Python/TypeScript SDKs support on‑prem or cloud deployment for regulated sectors needing traceable, accurate ex

ReadKidz lets non‑technical users create children’s e‑books, story videos, and series using 100 templates and 60 illustration styles. It supports dubbing, character pose control, AI storyboard continuity, and one‑click export to YouTube, Amazon KDP, and WhatsApp.

ChatDOC lets users ask questions about PDFs, DOCs, EPUBs, MD, and TXT while preserving layout, tables, formulas, and images. It returns answers with source citations, supports 25+ languages, and offers API/SDK integration.