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With UPDF AI, you can chat with multiple files simultaneously. Simply upload your legal documents or even images, and ask AI to "Compare these two legal documents."
After entering your prompt, you can choose your preferred AI model. UPDF AI defaults to using ChatGPT-5 to generate comparison results. If you prefer to use DeepSeek R1 instead, simply click the “DeepThink” button to activate it.
Once you've entered your prompt and selected an AI model, simply click "Send." Detailed comparison results will appear within seconds, which you can then review, copy, or regenerate.
Beyond comparison, UPDF AI can summarize your documents. Simply click "Summarize," select your file, and define the page range to get an instant, high-quality summary.
Eliminate hours of manual proofreading. UPDF AI processes hundreds of pages in seconds, pinpointing discrepancies between contract versions instantly. Just upload your files and get a professional comparison report at the click of a button.
Legal accuracy is nonnegotiable. UPDF AI meticulously scans every word to identify subtle omissions or modified liability terms that the human eye might miss. Stay fully informed of every revision to safeguard your legal standing.
Effortlessly compare documents across different languages. Our AI understands legal terminology globally, ensuring consistency in international agreements.
Your sensitive legal data deserves the highest protection. UPDF AI is built with enterprise-grade encryption to ensure your confidential contracts and litigation files remain private. We prioritize data sovereignty in accordance with our Privacy Policy, so you can compare sensitive documents with total peace of mind.
Free
(100 QAs + 5 PDF Uploads)
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Supported File Formats
(PDF, Image and Text)
(Text Input Only)
Multilingual Legal Support
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(Limited)
Clause Level Comparison
(Identity Discrepancy and Change)
(General Summaries Only)
AI Models
ChatGPT-5 & DeepSeek R1
ChatGPT-5
Multiplatform Availability
Online, Windows, Mac, iOS, Android
Online
Automated Content Summaries
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