Top 29 AI Lime Alternatives in 2026

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.

ChatDocs lets users upload PDFs, DOCX, TXT, PPT, websites, and YouTube videos to chat with GPT‑4 for document summarization, extraction, and Q&A. It retains chat history, supports multi‑document workflows, aiding researchers, legal, project managers, and writers.

PDF.ai lets users upload PDFs and chat for questions, summaries, and data extraction. It parses documents into structured JSON, detects sections, tables, and figures, and supplies source‑cited answers via a RESTful API for rapid, secure analysis.

ClarityDocs lets users chat with multiple documents, pulling text and images to answer queries and highlight insights. It supports simultaneous search across files, real‑time team collaboration, and accepts unlimited‑page standard formats for research and business use.

PaperChat is an AI-powered tool boosting productivity via document chatting. It simplifies document handling, provides swift summary generation, and supports multiple file formats for streamlined project management and data extraction.

Chat PDF AI lets users upload PDFs up to 50 MB, then chat with GPT‑4o or Claude‑3 to ask questions, summarize, extract text or tables, translate, and generate mind maps. It keeps documents encrypted and private.

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.

Upload PDFs, Word, and scanned documents to create AI‑powered conversational agents that answer questions, summarize content, explain tables, and provide citations. Supports 100+ languages, collaborative workspaces, cross‑platform use, customizable tone, speech modules, and secure SOC 2/GDPR compliance.

AI Drive is an intelligent document management platform that enables users to process and analyze various document types using natural language queries, offering features like automatic OCR, metadata extraction, and custom AI agents for enhanced collaboration and productivity.

ChatLegal is an AI‑powered legal assistant that explains legal concepts, offers guidance on common matters, drafts basic documents, reviews contracts, highlights key clauses, summarizes case law, and supports individuals, small businesses, and legal professionals 24/7.

Chatpdf.so is an AI tool for efficiently extracting information from PDF documents. It uses GPT-4 for questions, summaries, and interactive learning. With multi-language support and robust data security features, it helps users generate reports and essays effortlessly.

Docalysis is an AI chat platform that parses PDF documents and instantly answers user queries, cutting reading time by up to 95%. It supports batch processing, API and embedding, and stores files securely for professional use.

Search+ AI enables users to interact with PDF documents through conversational queries, providing immediate answers and insights. It supports collaborative dialogue, ensures document privacy with encryption, and streamlines workflows for enhanced decision-making across multiple languages.

SearchMyDocs.ai is an AI research assistant that searches PDFs, Word, Excel and other file types. It extracts key data, auto‑organizes content, and delivers instant, context‑aware answers via chat. Military‑grade encryption ensures privacy.

Docu-Chat is an AI tool that enables users to interact with documents through a chat interface, allowing for efficient information extraction and analysis from PDFs and images, enhancing comprehension and navigation for professionals, students, and researchers.

DocLegal.AI is an AI legal assistant that streamlines contract drafting and document creation using lawyer‑reviewed templates, offers AI‑driven review and risk mitigation, and supports freelancers, small businesses, and legal professionals.

AskDocs allows efficient document processing, enabling rapid research and summarization. It accepts various file types, ensuring data security. Users benefit from accurate answers with cited sources.

Chat & Ask AI combines web search, image generation, link analysis, document chat, and YouTube summarization in one interface. It offers up‑to‑date answers, multilingual support, file uploads, and a prompt library, powered by GPT‑5.2, Gemini, Claude, and Stable Diffusion XL.

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.

Harvey is an AI tool for legal professionals, streamlining research and task delegation. It offers a secure workspace for document management, workflow orchestration, and tailored prompt libraries, enhancing productivity and ensuring enterprise-grade security for sensitive information.

ChatPDF lets users upload PDFs and chat with their content in any language. It extracts key information, provides summaries, answers queries with source citations, and supports bilingual interaction, all while keeping documents secure.

Introducing DocsBot AI, a powerful AI tool that helps you create custom chatbots for documentation. Train and deploy AI-powered chatbots in minutes, saving time and improving support experience. Custom copywriting capabilities, embeddable widgets, and integrations with popular platforms like WordPress and Slack.

TXYZ offers AI‑powered help for reading, problem solving, and knowledge workflows, with file upload and analysis of academic papers, a searchable scholarly library, a writing agent for up to five pages, precise document citations, and private data handling.

Chatlaw uses AI to help attorneys draft documents, briefs, and filings by pulling case law from 13 U.S. states. It accepts natural‑language legal questions, provides analysis, citations, and motion drafts, and integrates with Google Drive/Dropbox for collaboration and version control.

Browser extension that displays conversational AI answers and multi-model comparisons alongside search results, integrates with GPT-4/Claude and major search engines, and adds YouTube summaries, PDF/image/OCR processing and content-generation tools for research and creation.

PortableDocs is an AI tool that allows users to engage with PDF documents through conversation, enabling quick extraction of insights and summarization. Its intuitive interface and advanced algorithms enhance productivity, particularly for technical, legal, and academic documents.

Filevine LOIS Platform centralizes legal documents, matter data, and workflows into a single source of truth for law firms, in‑house counsel, and government agencies. It offers AI‑enhanced drafting, deposition management, and contract analysis, with built‑in security and APIs for integration.

pdfassistant.ai is an AI chatbot that serves as your personal PDF assistant, available 24/7 to handle all your PDF processing tasks with ease. It helps with complex PDF workflows and tedious manual document handling as pdfassistant.ai lets you work smarter.

Documind is an AI platform that processes single or bulk PDFs, extracts key information, summarizes content, and answers natural‑language queries with citations. It supports multi‑language documents, article generation, chatbot training, and secure, account‑free sharing.