Instafill.ai
Documents
Automatically fills PDF and Word forms with AI.
- PDF Form Filler
- AI Form Filler
- Form Automation
Best ChatPDF Alternatives in 2026
ChatPDF: Summarize, chat, and analyze PDFs with AI. Here are 12 alternatives — compare pricing, free plans and API access side by side.
ChatPDF vs. alternatives
| Tool | Category | Pricing | Starting at | Free plan | API | Open source |
|---|---|---|---|---|---|---|
| Documents | — | — | |||
| Documents | — | — | |||
 | Documents | — | — | |||
 | Documents | Freemium | €19/month | |||
 | Documents | Paid | €150/month | |||
 | Documents | Freemium | — | |||
 | Documents | Freemium | $99/year | |||
 | Documents | — | — | |||
 | Documents | Freemium | $500/month | |||
 | Documents | Freemium | $40/month | |||
| Wafaa.io | Documents | Paid | — | |||
 | Documents | Freemium | — | |||
 | Documents | — | — |
Top ChatPDF alternatives
Summary With AI
Documents
Summarizes long PDFs with AI.
- Document Summarization
fynk
Documents
Efficient legal workflows for teams: create, edit, negotiate and sign contracts faster with fynk.
- Contract Management
- Legal Workflows
- Data Analysis
Freemium
DocuSmart AI
Documents
AI-powered document search for nonprofits with citation-backed answers.
- Document Q&A
- AI-Powered Search
- Nonprofit Document Management
Paid
Papermark
Documents
Secure data rooms and document sharing for M&A, due diligence, fundraising, and high-stakes deals
- Data Rooms
- Document Sharing
Freemium
Granite
Documents
Automates document processing and retrieval with plain-English queries.
- Plain English Search
- Duplicate Detection
- Entity Linking
Freemium
Legitify
Documents
Notarize documents remotely with Legitify’s secure, fast, and legally compliant solution.
Extend
Documents
Parse, extract, and split complex documents with high accuracy.
- Document Parsing
- Structured Data
- PDF Editing
Freemium
Spell
Documents
AI document generator that creates polished documents quickly
- AI Document Generator
- AI Document Creator
- AI Document Writer
Freemium
Wafaa.io
Documents
Create, sign, and send digital contracts with Wafaa.
Paid
Demand Letter
Documents
Generate free demand letters with state-specific legal templates.
- Demand Letter Generator
- USPS Delivery
Freemium
FileOnTap
Documents
Free online file converter for images and PDFs.
- Image Converter
- PDF Converter
- File Converter