New Feature Launch

PDF AI Processing: From Static Documents to Solved Answers

Upload a PDF. Get it back solved. No prompts, no chat, just a completed document with answers overlayed right where they belong.

Repath Khan, Founder of LeemerChat
January 25, 2026
6 min read
New FeaturePDF ProcessingMistral OCRMulti-AgentProduct Launch

Most AI tools treat PDFs as just another text source for a chat window. You upload a file, then spend 10 minutes crafting prompts like "Solve question 3" or "Summarize page 5." The context switching is exhausting.

Today, we're launching PDF AI Processing—a dedicated, standalone experience designed for students and professionals who need work done, not conversations.

The Promise

You upload a question paper or worksheet.
We return a new PDF with expert answers overlayed onto the original layout.
Zero prompting required.

How It Works

Behind the simple "Upload" button lies a sophisticated multi-stage pipeline. We don't just read the text; we reconstruct the document's logic.

The Zero-Prompt Pipeline

How we turn a raw PDF into a completed answer sheet automatically.

Mistral OCR
Extracts text & layout from PDF
Question Detection
Segments exam into answerable blocks
Multi-Agent Solve
Gemini 3 + GPT-5 + Sonar Pro (Web)
Merge & Arbitrate
Synthesizes best answers with citations
PDF Overlay
Places answers directly on original pages
Average Processing Time: 2-4 minutes

Mistral OCR

We use state-of-the-art OCR to read scanned documents and handwriting, preserving spatial structure.

Smart Detection

The system auto-detects questions and separates them from instructions, diagrams, and headers.

Multi-Agent Consensus

Three frontier models (Gemini, GPT-5, GLM-4) solve each question in parallel to ensure accuracy.

Visual Overlay

Answers are painted back onto a fresh PDF copy, aligned perfectly with the original questions.

Web-Aware When Needed

Static knowledge isn't always enough. For questions requiring current events or specific data lookup, our system automatically routes them to Perplexity Sonar Pro.

Intelligent Routing

We classify every detected question: does it need the web?

  • "Solve for x in this quadratic equation" → Internal Reasoning
  • "What were the key outcomes of the 2025 AI Summit?" → Sonar Pro Web Search
SEARCH_TOOL_ACTIVE
Source: reuters.com, techcrunch.com...

Designed for Focus

We stripped away the chat interface. No "typing..." indicators, no scrolling through long message histories. Just a clear progress timeline and a final artifact you can download or email.

1

Upload & Relax

Large file support (up to 64MB). Go make a coffee while we process.

2

Review & Refine

See the extracted answers. Ask for a revision if needed ("Explain #4 more simply").

3

Download Completed PDF

Get the final file delivered to your dashboard and inbox.

Try It Now

The PDF AI Processing tool is live for all signed-in users. Transform your study materials and work documents today.

Go to PDF Processor