Show HN: Sign Any PDF Free – No account, no watermarks, no limits
signanypdffree.comI got tired of paying $15-50/month to sign PDFs, so I built a free alternative.
How it works: Upload PDF, draw or type your signature, place it, download. Done.
No account required. No document limits. No watermarks. No "you've used your 3 free signatures" gotchas.
Monetized through ads (same model as Photopea).
Tech: Node.js + Express, pdf-lib for manipulation, vanilla JS frontend. Processing happens client-side for privacy.
Happy to answer questions about the implementation or business model.
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