Proposal generators for built-in forms

If you need a proposal built from answers to their own forms, 3 tools here can make one. The first three in our order are Formstack Documents, DoxFlowy and Docupilot. None of the 3 has a free tier.

Tools: 3
With USD price: 3, from $20
Free tier: 0
Direct / via Zapier: 2 / 1
Checked: 20 Oct 2026

01

Formstack Documents Editor's pick formstack.com

Formerly WebMerge. Only in Suite plan, $250/mo paid annually, 250 deliveries/mo.

Outputs PDF, DOCX, PPTX, e-sign documents Template Word, PDF form, Visual builder Also reads Salesforce, HubSpot, Airtable, API +2 G2 4.5 (148)

$250 / mo
02

DoxFlowy doxflowy.com

Core $20/user/mo annual per Capterra.

Outputs PDF, e-sign documents Template Visual builder Also reads API

$20 / mo, cheapest here
03

Docupilot Editor's pick via Zapier docupilot.com

Starter $29/mo, 100 docs.

Outputs PDF, DOCX, PPTX, XLSX, e-sign documents Template Word, Visual builder Also reads Airtable, Zapier/Make/n8n, API

$29 / mo

What differs for built-in forms

For proposals built from answers to their own forms, the lowest paid starting price is $20 a month, from DoxFlowy. Published starting prices run from $20 to $250 a month, the top end from Formstack Documents.

These tools for proposals most often write PDF (3), e-sign documents (3) and DOCX (2). Among them, 1 needs Zapier, Make or n8n to read answers to their own forms, so it sits after the tools with a direct connection. A submission to the tool's own form builds the document from the answers. Prices were checked on 20 Oct 2026.

Nearby pages

Broader list: Document generation for built-in forms (27 tools).

How to generate PDFs from built-in forms: a step-by-step guide, updated 21 Oct 2026.

All tools, with filters for source, output, use case and price.

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