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AI answers for your own files
Signal87 reads across PDFs, reports and spreadsheets to create summaries, comparisons, timelines and cited research.
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14 findings · 8 sources · 32 cited details
How it works
Signal87 selects new uploads automatically and keeps every answer connected to the evidence it used.
Drag in PDFs, Word files, spreadsheets, text, or scans.
Choose Quick Answer or Computer and describe what you need.
Review citations, then copy, save, or download the finished work.
Compare the agreement with the budget and flag anything that could delay launch.
Useful work, not another chat transcript
Every output can be copied, saved to a project, or downloaded with its citations.
Clear briefs and research reports
Structured comparisons and extracted data
Events, deadlines and dependencies
Contracts, policies and versions
Shareable PDF and Word-ready output
Patterns and calculations made visible
Your evidence stays attached
Signal87 shows where important claims came from, keeps your workspace private, and lets you delete your files whenever you choose.
Read about the technologyOpen the supporting file and page behind important details.
Your files are not used to train AI models.
You stay in control of documents and saved work.
Get a quick answer or run deeper web and document research.
Simple pricing
Use Quick Answer and Computer on your own files. When you need more, move to 100 documents for $29 per month through Stripe.
20 documents, cited answers, projects and exports.
Try Signal87 FreeUp to 100 documents per monthly billing period. Cancel anytime.
Choose $29 plan