# AI tools for “PDF Signature” 478 matching tools; showing 24, ranked by relevance. Related categories: [ai-pdf](https://openaitools.app/category/ai-pdf.md) | # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Why it matched | Profile (Markdown) | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | 1 | [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 100%; semantic match | [.md](https://openaitools.app/tool/hellosign.md) | | 2 | [Adobe Firefly](https://openaitools.app/tool/adobe) | 396,998,213 | -8.6% | Freemium | Commercially safe generative AI workspace for images, video, audio, vectors, and multi-model creative production. | category: ai-pdf; keywords 100% | [.md](https://openaitools.app/tool/adobe.md) | | 3 | [Fillout](https://openaitools.app/tool/fillout-com) | 3,923,917 | -9.7% | Freemium | Build powerful forms, surveys and quizzes with AI in minutes | category: ai-pdf; keywords 100% | [.md](https://openaitools.app/tool/fillout-com.md) | | 4 | [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; keywords 100%; semantic match | [.md](https://openaitools.app/tool/lightpdf-com.md) | | 5 | [pdf.net](https://openaitools.app/tool/pdf-net) | 1,257,131 | -22.3% | Freemium, Free | All-in-one online PDF editor with AI helpers for reading, summarizing, and generating documents | keywords 100%; semantic match | [.md](https://openaitools.app/tool/pdf-net.md) | | 6 | [PDFgear](https://openaitools.app/tool/pdfgear) | 2,845,280 | -3.4% | Free | A free, AI-powered PDF editor for every device | category: ai-pdf; semantic match | [.md](https://openaitools.app/tool/pdfgear.md) | | 7 | [Instafill.ai](https://openaitools.app/tool/instafill) | 35,630 | -36.6% | Free Trial, Paid, Contact for Pricing | AI that fills your PDF and Word forms for you | category: ai-pdf; keywords 100%; semantic match | [.md](https://openaitools.app/tool/instafill.md) | | 8 | [UPDF AI](https://openaitools.app/tool/updf-ai) | 1,050,387 | -7.2% | Freemium, Free Trial, Paid | Cross-platform PDF editing with GPT-powered AI for reading, translating, and signing documents | category: ai-pdf; semantic match | [.md](https://openaitools.app/tool/updf-ai.md) | | 9 | [Wondershare](https://openaitools.app/tool/wondershare-com) | 6,646,794 | -3.6% | Freemium, Free Trial, Paid | An AI-powered creative and productivity suite spanning video, documents, diagrams and data | category: ai-pdf; semantic match | [.md](https://openaitools.app/tool/wondershare-com.md) | | 10 | [EasyFill AI](https://openaitools.app/tool/easyfill-ai) | 372 | -79.9% | Freemium, Free Trial, Paid | Online forms, fillable PDFs and e-signatures in one place | category: ai-pdf; keywords 100%; semantic match | [.md](https://openaitools.app/tool/easyfill-ai.md) | | 11 | [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; semantic match | [.md](https://openaitools.app/tool/chatpdf.md) | | 12 | [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; semantic match | [.md](https://openaitools.app/tool/pdf-ai.md) | | 13 | [AskYourPDF](https://openaitools.app/tool/askyourpdf) | 127,733 | +14.1% | Freemium | Chat with any PDF and add an AI chatbot trained on your own content | category: ai-pdf; semantic match | [.md](https://openaitools.app/tool/askyourpdf.md) | | 14 | [Edusign (Quick Survey AI)](https://openaitools.app/tool/quick-survey-ai) | 588,842 | +38.2% | Free Trial, Paid | Attendance, e-signature and AI-powered questionnaires for training providers | keywords 65%; semantic match | [.md](https://openaitools.app/tool/quick-survey-ai.md) | | 15 | [SignatureGen](https://openaitools.app/tool/signaturegen) | 122,276 | -16.2% | Freemium | Create, style and download a personal signature in your browser — free, with AI options | keywords 65%; semantic match | [.md](https://openaitools.app/tool/signaturegen.md) | | 16 | [Scribbr](https://openaitools.app/tool/scribbr) | 7,530,803 | +14.6% | Freemium | Academic proofreading, plagiarism checking and AI-powered writing tools in one place | category: ai-pdf | [.md](https://openaitools.app/tool/scribbr.md) | | 17 | [StampJam](https://openaitools.app/tool/stampjam) | 39,143 | -37.1% | Freemium, Paid | Create professional digital stamps and seal documents online in minutes | keywords 100%; semantic match | [.md](https://openaitools.app/tool/stampjam.md) | | 18 | [Image to Text](https://openaitools.app/tool/image-to-text-converter) | 4,871,767 | +0.8% | Freemium | Free online OCR that turns any image into editable text in seconds | category: ai-pdf | [.md](https://openaitools.app/tool/image-to-text-converter.md) | | 19 | [SciSpace](https://openaitools.app/tool/scispace) | 4,464,111 | +8.6% | Freemium | AI research platform for reading, understanding and writing scientific papers | category: ai-pdf | [.md](https://openaitools.app/tool/scispace.md) | | 20 | [TopPDF](https://openaitools.app/tool/toppdf) | 643 | -90.6% | Freemium | All-in-one AI PDF tools to edit, convert, compress and translate documents | category: ai-pdf; keywords 100%; semantic match | [.md](https://openaitools.app/tool/toppdf.md) | | 21 | [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; semantic match | [.md](https://openaitools.app/tool/pdf-co.md) | | 22 | [Goodnotes](https://openaitools.app/tool/goodnotes) | 3,227,341 | +10.8% | Freemium, Free Trial | Handwritten notes, PDF markup, and AI study tools on one canvas | semantic match | [.md](https://openaitools.app/tool/goodnotes.md) | | 23 | [EaseUS Software](https://openaitools.app/tool/easeus-software) | 4,037,331 | -4.9% | Freemium, Free Trial, Paid | Data recovery, backup, and AI-powered media utilities in one suite | category: ai-pdf | [.md](https://openaitools.app/tool/easeus-software.md) | | 24 | [Chatbox AI](https://openaitools.app/tool/chatbox-ai) | 3,291,252 | +3.8% | Paid | Every major AI model in one subscription | category: ai-pdf | [.md](https://openaitools.app/tool/chatbox-ai.md) | Page 1 of 20 · [Next page →](https://openaitools.app/index.md?q=PDF+Signature&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%20Signature More Markdown: [Categories](https://openaitools.app/categories.md) · [Traffic rankings](https://openaitools.app/rankings.md) · [llms.txt](https://openaitools.app/llms.txt)