# AI tools for “PDF Chatbot” 542 matching tools; showing 24, ranked by relevance. Filters: `group=coding-development` Related categories: [ai-pdf](https://openaitools.app/category/ai-pdf.md), [ai-chatbot](https://openaitools.app/category/ai-chatbot.md) | # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Why it matched | Profile (Markdown) | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | 1 | [ChatPDF](https://openaitools.app/tool/chatpdf) | 1,044,477 | -3.7% | Freemium | Chat with any PDF, video, or website and get cited answers in seconds | category: ai-pdf, ai-chatbot; keywords 100%; semantic match | [.md](https://openaitools.app/tool/chatpdf.md) | | 2 | [PDF.ai](https://openaitools.app/tool/pdf-ai) | 387,819 | -5.5% | Freemium, Free Trial | Chat with any PDF and get cited answers instantly | category: ai-pdf, ai-chatbot; keywords 100%; semantic match | [.md](https://openaitools.app/tool/pdf-ai.md) | | 3 | [LightPDF](https://openaitools.app/tool/lightpdf-com) | 1,742,568 | -15.3% | Freemium | Free AI-powered PDF editor, converter and reader for every device | category: ai-pdf, ai-chatbot; keywords 100%; semantic match | [.md](https://openaitools.app/tool/lightpdf-com.md) | | 4 | [ChatGPT](https://openaitools.app/tool/chatgpt-4) | 6,048,022,723 | +2.2% | Freemium | OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research. | category: ai-chatbot | [.md](https://openaitools.app/tool/chatgpt-4.md) | | 5 | [Claude](https://openaitools.app/tool/claude-2) | 1,253,439,413 | +23.8% | Freemium | Anthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing. | category: ai-chatbot | [.md](https://openaitools.app/tool/claude-2.md) | | 6 | [Recastia](https://openaitools.app/tool/recastia) | 137,539 | -17.5% | Freemium | One document, many AI-generated formats | category: ai-pdf, ai-chatbot; keywords 100% | [.md](https://openaitools.app/tool/recastia.md) | | 7 | [DeepSeek](https://openaitools.app/tool/deepseek) | 372,761,591 | +4.3% | Freemium | High-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs. | category: ai-chatbot | [.md](https://openaitools.app/tool/deepseek.md) | | 8 | [Sider](https://openaitools.app/tool/sider) | 2,644,740 | -10.6% | Freemium | AI sidebar and browser agent for reading, writing and research | category: ai-pdf, ai-chatbot; keywords 100% | [.md](https://openaitools.app/tool/sider.md) | | 9 | [Wonderchat](https://openaitools.app/tool/wonderchat) | 78,112 | +15.6% | Free Trial | AI customer service agents plus an AI-native helpdesk with unlimited seats | category: ai-pdf, ai-chatbot; keywords 100%; semantic match | [.md](https://openaitools.app/tool/wonderchat.md) | | 10 | [OpenAI Platform](https://openaitools.app/tool/openai) | 234,678,639 | -9.6% | Paid | Enterprise developer platform and API for deploying GPT-6 Astra, Sol, Luna, and realtime multimodal agents. | category: ai-chatbot | [.md](https://openaitools.app/tool/openai.md) | | 11 | [Merlin AI](https://openaitools.app/tool/merlin-ai-plugins) | 1,382,634 | +13.1% | Freemium | One AI assistant that plugs ChatGPT, Claude and Gemini into every tab | category: ai-chatbot; keywords 100% | [.md](https://openaitools.app/tool/merlin-ai-plugins.md) | | 12 | [ZykaAI](https://openaitools.app/tool/zykaai) | 316,943 | +6.9% | Freemium, Free Trial, Paid | Every AI model. One creative studio. | category: ai-pdf, ai-chatbot; keywords 100% | [.md](https://openaitools.app/tool/zykaai.md) | | 13 | [Perchance](https://openaitools.app/tool/perchance-ai) | 27,160,772 | +4% | Free | Build and share random generators for free with lists and simple code | category: ai-chatbot | [.md](https://openaitools.app/tool/perchance-ai.md) | | 14 | [Monkt](https://openaitools.app/tool/monkt) | 51,826 | +47.4% | Paid | Turn any document into AI-ready Markdown or structured JSON | category: ai-pdf, ai-chatbot; keywords 100% | [.md](https://openaitools.app/tool/monkt.md) | | 15 | [SiteSpeakAI](https://openaitools.app/tool/sitespeakai) | 30,255 | -25.4% | Freemium, Free Trial | Train an AI agent on your site to answer, act, and hand off | category: ai-pdf, ai-chatbot; keywords 100% | [.md](https://openaitools.app/tool/sitespeakai.md) | | 16 | [ZeroGPT](https://openaitools.app/tool/zerogpt) | 32,864,541 | +19.7% | Freemium, Paid | AI content detection and a full writing toolkit in one place | category: ai-chatbot | [.md](https://openaitools.app/tool/zerogpt.md) | | 17 | [Qwen 4 (Alibaba Qwen4)](https://openaitools.app/tool/qwen-4) | 35,101,353 | -6.2% | Freemium | Alibaba Cloud's 4th-generation multimodal AI assistant and foundation model lineup (Qwen4-Max, Qwen4-Plus, Qwen4-Flash & open-weight Qwen4-27B) with 1M context. | category: ai-chatbot | [.md](https://openaitools.app/tool/qwen-4.md) | | 18 | [Aymo AI](https://openaitools.app/tool/aymo-ai) | 268,974 | +113.3% | Freemium | Every leading AI model in one secure team workspace | category: ai-chatbot; keywords 100% | [.md](https://openaitools.app/tool/aymo-ai.md) | | 19 | [DocsBot AI](https://openaitools.app/tool/docsbot-ai) | 495,278 | -3.8% | Freemium | Custom AI agents trained on your documentation and knowledge base | category: ai-chatbot; semantic match | [.md](https://openaitools.app/tool/docsbot-ai.md) | | 20 | [Dropbox Sign (HelloSign)](https://openaitools.app/tool/hellosign) | 4,339,818 | -2.2% | Free Trial, Paid, Contact for Pricing | Electronic signatures and agreement workflows built into Dropbox | category: ai-pdf; keywords 61% | [.md](https://openaitools.app/tool/hellosign.md) | | 21 | [Z.ai](https://openaitools.app/tool/z-ai) | 9,176,366 | -8.4% | Free | Free GLM-powered assistant that turns prompts into slides, sites and code | category: ai-chatbot | [.md](https://openaitools.app/tool/z-ai.md) | | 22 | [Genspark.ai](https://openaitools.app/tool/genspark-ai) | 10,215,720 | -7.9% | Freemium, Paid, Contact for Pricing | Agentic search that composes cited research pages for you | category: ai-chatbot | [.md](https://openaitools.app/tool/genspark-ai.md) | | 23 | [PDF.co](https://openaitools.app/tool/pdf-co) | 78,590 | -8.2% | Free Trial, Paid | REST API to convert, edit and extract data from PDFs | category: ai-pdf; keywords 61%; semantic match | [.md](https://openaitools.app/tool/pdf-co.md) | | 24 | [OpenL Translate](https://openaitools.app/tool/openl) | 1,470,643 | +8.8% | Freemium, Subscription | AI translation for text, images, documents and speech in 100+ languages | category: ai-pdf; keywords 61% | [.md](https://openaitools.app/tool/openl.md) | Page 1 of 23 · [Next page →](https://openaitools.app/index.md?q=PDF+Chatbot&group=coding-development&page=2) For programmatic access use `https://openaitools.app/api/tools?q=…` or MCP `https://openaitools.app/api/mcp`. --- Source: https://openaitools.app/?q=PDF%20Chatbot More Markdown: [Categories](https://openaitools.app/categories.md) · [Traffic rankings](https://openaitools.app/rankings.md) · [llms.txt](https://openaitools.app/llms.txt)