William Huang

Sylvian AI Forms - Never fill a PDF by hand again

Upload a reimbursement form and 10 receipt images — Sylvian will fill in your form with all the info. Upload a compliance form and a spreadsheet with 10 rows of information — Sylvian will fill out 10 compliance forms for you. All of this in seconds. Sylvian AI Forms is the most complete PDF Form AI ever, made so you never have to fill a PDF by hand again.

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William Huang
Hi Product Hunt! I'm Will, CEO of Sylvian (YC F25), and we're setting out to create reliable, specialized AI. We're releasing Sylvian AI Forms with the goal of saving you the time of filling out PDFs by hand. Sylvian can read spreadsheets, images, and PDFs alike, and can fill out as many forms as you need in seconds. Our AI handles even the most complex of forms, handling tables, checkboxes, and radio buttons from notoriously complicated forms from medicine, law, compliance, and more. Would love to hear your feedback! Feel free to reach out to hi@sylvian.ai.
Kimberly Ross

@williamhuang Congrats William! What are the main technical challenges in extracting data from unstructured sources like images and spreadsheets and mapping it correctly to PDF form fields?

Michael Klikushin

This is useful, I hate filling pdfs. How do I try this?

William Huang

@mklikushin try for free at sylvian.ai!

Brandon Yao

Looks super useful for our workflow! Are you guys planning on offering an API soon?

William Huang

@brandon_yao yup, we're releasing an API soon!

Osman Siddique

Love the focus on agents that operate directly on PDF forms hits a real, painful bottleneck in many industries—finance, healthcare, logistics, government—where critical workflows still live inside static documents. Looking forward to the API coming out!

William Huang
Gokul Chandrasekaran

This is nice. Are you planning to release multiple specialised agents yourself or open it to other builders release agents on your platform?

William Huang

@gokuljd Hi Gokul, we’re building specialized agents ourselves as of now!

NextGrid

Love the focus on reliability-first workflows. PDF form filling is one of those painfully real tasks where a specialized agent can save hours if it’s accurate and auditable. Curious what your validation and error-checking loop looks like.

William Huang

@nextgrid Our platform allows users to edit our AI’s understanding of a form if any mistakes are made, which allows the AI to fill the form correctly in future iterations!

Mykyta Semenov 🇺🇦🇳🇱

Can it also fill out standard tax forms? That’s a common problem for accountants all over the world) I think your main demand for this service will be in accounting.

Michael Henderson

YO @williamhuang @niall_kehoe
Love the product, congrats on the launch. Excellent work

I do research for H1Gallery newsletters, we feature excellent headlines in a weekly newsletter. You can google us

We are featuring Sylvian's home page in our Feb 13th issue. The team here loves it. So this is just a heads up that you're being featured in our newsletter, and a quick ask: would you mind giving us a comment on the headline you went with: "Extract and fill PDFs. AI tuned to your business."

What was your strategy for writing the copy here and on the rest of the page/hero section? We would like to add your comment to the newsletter.

P.s. sylvian will appear in our newsletter whether you give us a quote or not, so no pressure. Having a quote makes it way cooler tho.

Appreciate it

Tugay Pala

pdf filling is painful especially with government forms. does it handle checkbox fields and signatures too or just text?

William Huang

@tugay_pala yes, it can handle checkboxes too! for signatures it will not fill in your signature on your behalf.

Tugay Pala

This solves such a real pain point! Government forms, contracts, applications - so much time wasted on manual PDF filling. Does it learn from corrections? Like if it misplaces a field once and you fix it, does it remember for next time?

William Huang

@tugay_pala yes, it's self-learning!