Skip to content
Helpfeel

Get verified diagrams, charts, and tables
in your AI chat.

Find source-linked answers across your PDFs, docs, and spreadsheets. Apply for Public Preview access to the app and API.

You“Which gasket fits the HF-2200?”
KeylineIdentified one diagram.Searched 10,000+ PDFs, docs, xlsx, pptx
Your agent
Gasket 4A-118 fits the HF-2200.1Verified
4A-118240 mm
HF-2200-user-manual, page 212, figure A
Contact sales

Do more with every document.

One question can turn a dense document dump into verified answers that are ready to use.

Many PDFs and documents converge into one clear answer, Part A-17.

Scalable.

Ask one question across your indexed PDFs, docs, and spreadsheets. Keyline finds the documents and the exact parts worth opening.

A square peg is checked against two openings and fits the matching square opening.

Fast.

Charts, tables, and diagrams stay part of the answer, so the details inside them are available in your chat.

A question asking which part fits leads to answer Part A-17 with source page 42.

Easy.

See visual chunks from the source page beside the answer. You can check the claim without leaving the conversation.

See Keyline in action.

Give every team more useful answers.

The same verified search results turn raw source material into working assets your team can use right now.

Sales

Send follow-ups with the perfect graph, table, or diagram to back up your value-add.

Service

Answer configuration and compatibility questions with the right diagram and tables at hand.

Research

Explore your library from one chat and keep every finding connected to its source.

Legal

Jump directly from citation to the actual section of the original document and see the logic trace directly.

The easier path from question to proof.

Spend less effort finding, assembling, and checking the answer. Keyline keeps the useful detail and its source together from the first question.

Search the library

Before: AI can't see inside your PDFs

Open likely files and repeat the same search until you find the right page.

After: Search indexed documents with one question

Ask once across your indexed PDFs, docs, and spreadsheets.

Use the answer

Before: Visuals aren't visible in chat

Pull the useful details together from separate documents and pages.

After: Bring visual details into your chat

Get the chart, table, diagram, or text block directly in your chat.

Check the proof

Before: Checking means slow browsing

Open the file and find the page that supports the claim yourself.

After: See the source beside the answer

See the source page and visual chunks beside the answer.

Bring your hardest document question.

Approved Public Preview accounts get $50 in free credit each month, without a credit card, for a limited time. Apply below and we will follow up about access.

Contact sales