The problem with document tools in 2026
You've got a contract. You want to summarize the risk clauses, redact the PII, compress the result, and email it to counsel. That's four tools. You open four tabs, juggle four uploads, copy four download links. By the time you're done, your coffee is cold and the meeting starts in five minutes.
PDFPilot4U Agent Mode collapses that to one prompt.
How it works
Type what you want in plain English. The agent does three things:
- Plans the workflow. It inspects your file, understands the request, and picks the tools —
read_pdf_text→redact_regions→compress_pdf→get_pdf_info. - Executes each step. Real tool calls, real output files, with progress streamed back to the chat.
- Reports back. Summary + citations + download buttons for every artifact it produced.
What's under the hood
- 25 callable tools — every PDF operation we offer is a function in the agent's toolkit
- GPT-4o-mini as the reasoning engine (we benchmarked cost vs quality; 4o-mini wins for multi-step tool calls)
- Max 10 iterations hard cap to prevent runaway loops
- Human-in-the-loop gates for destructive ops like signing or mass-deletion
A real example
You: redact PII from this contract then compress it
Agent thinks:
Step 1: smart_redact({ file_index: 0, entity_types: [name, email, ssn] })
Step 2: compress_pdf({ file_index: <redacted output>, quality: "high" })
Agent says:
I redacted 47 PII spans across 12 pages, then compressed the result from 12.4 MB to 3.1 MB (75% reduction). Both files are ready below. [ACTIONS: Download both | Watermark | Add page numbers | New chat]
Those [ACTIONS:] markers become clickable chips in the UI. The UX is chat — the power is agentic.
Where we're going
- Multi-document workflows (agents that stitch across 10+ files)
- Scheduled agents (cron that runs "every Monday, pull invoices from Drive → extract totals → email CFO")
- Agent-to-agent handoffs (redact-agent hands redacted file to summarize-agent)
Try it at /agent. Feedback welcome.