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Lumin vs Smallpdf: catalog facts
Lumin	Smallpdf
Freemium Free to start, with paid plans for more features; check the site for current pricing.	Freemium A limited free tier is available. Pro is a paid subscription.
Web	Windows, Android, iOS, Web
Edits PDF text, merges files and builds fillable forms Built-in eSignature through Lumin Sign	Clean, fast interface that covers the common PDF chores Desktop and mobile apps alongside the browser tools
Mainly a cloud service, so documents are processed online Product lineup leans toward business agreement workflows and AI features	Free use is capped at a couple of documents per day Files are processed on their servers
Downloadable app, Web application	Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.