Lumin is a PDF & document tools tool: Cloud PDF editor and e-signature built around Google Drive.

How much does Lumin cost?

Lumin uses a Freemium model; paid plans start at $9 per month.

What are the best alternatives to Lumin?

Community-listed alternatives to Lumin include Adobe Acrobat, Nitro PDF, DocHub, Smallpdf.

Does Lumin have a free trial?

Yes, Lumin offers a 7-day free trial.

What does Lumin integrate with?

Lumin integrates with Google Drive, Google Workspace, Dropbox, OneDrive, Slack, Salesforce and more.

Which platforms does Lumin support?

Lumin is available on web, macos, windows, ios, android.

Lumin

Cloud PDF editor and e-signature built around Google Drive

Freemium · $9Contracts & e-signature PDF & document tools

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Lumin is a PDF & document tools tool for Small businesses and Freelancers, offered as freemium ($9/mo). Based in New Zealand, founded in 2014. Popular alternatives include Adobe Acrobat, Nitro PDF, DocHub.

About Lumin

Lumin is a cloud PDF editor and e-signature tool from Christchurch, New Zealand. Max Ferguson, who studied civil engineering at the University of Canterbury, started it in 2014 in his university flat and grew it largely through the Google Drive app marketplace into a product the company says is used by tens of millions of people. Its core job is opening, editing, annotating and signing PDFs straight from cloud storage without installing Acrobat.

Lumin edits PDF text, annotates, redacts, merges, splits, compresses and converts PDFs to and from Word, Excel, PowerPoint and images, with OCR for scans. Lumin Sign adds e-signatures, verified signing with ID checks and an eSign API. Lumin AI summarizes documents, answers questions about a PDF and generates agreements such as NDAs and leases. It runs on the web, Mac, Windows, iOS and Android. Plans move from a free tier with three documents a month to Starter, then team plans (Pro and Business) priced per workspace rather than per seat.

Lumin fits Google Workspace teams and small businesses that edit and sign PDFs occasionally and want flat team pricing. Adobe Acrobat remains stronger for print production, accessibility and advanced forms, Smallpdf is simpler for quick conversions, and Foxit is a cheaper desktop-first Acrobat alternative. Heavy e-signature senders may prefer Dropbox Sign or DocuSign.

Buying tip: Pro and Business are priced per team, so adding colleagues does not raise the bill, but documents are pooled at 200 per month. Every paid plan has a 7-day free trial.

Key features of Lumin

Edit PDF text, annotate, redact and create fillable forms
Merge, split, compress, rotate and reorder pages
Convert PDFs to and from Word, Excel, PowerPoint and images
OCR text recognition for scanned documents and images
Lumin Sign e-signatures with ID-verified signing and an eSign API
Lumin AI summaries, chat with PDF and agreement generation
Works directly on files in Google Drive, Dropbox and OneDrive
Web, Mac, Windows, iOS and Android apps with offline mobile use

Pros and cons

Pros

Team plans priced per workspace, not per seat
Deep Google Drive integration keeps files where they are
Runs on every major desktop and mobile platform
AI agreement generator for common contracts
Usable free tier for occasional edits

Cons

Free plan limited to three documents a month
Team plans share a pooled monthly document quota
Only 5 agreements per month on Pro
Less capable than Acrobat for print and accessibility work

Lumin pricing

Lumin uses a freemium model. A 7-day free trial is available.

Plan	Price	Includes
Free	$0	3 docs per month, basic editing and eSignatures
Starter	$9 / mo	Billed annually; 10 docs per month, digital signing
Pro	$19 / team/mo	Billed annually; 200 docs, 5 agreements per month
Business	$99 / team/mo	Billed annually; access and domain controls, connectors
Enterprise	Custom	Enterprise SSO, storage controls, success manager

Source: www.luminpdf.com · checked on Oct 20, 2026

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How Lumin compares in PDF & document tools

Rank by votes: #1 / 17
Starting price: $9
Free alternatives: 0

Lumin ranks #1 of 17 pdf & document tools tools by community votes and is priced in line with the category.

Common use cases

1Editing and signing PDFs stored in Google Drive
2Small teams sharing one flat-priced PDF workspace
3Drafting NDAs and leases with the AI agreement generator
4Annotating and reviewing documents on tablets
5Sending contracts for ID-verified signatures

Best for

Google Workspace teams and small businesses that need everyday PDF editing and signing at a flat team price.

Not ideal for

Print production, accessibility and complex form work (Adobe Acrobat) or high-volume signature workflows (DocuSign, Dropbox Sign).

Integrations

Google Drive
Google Workspace
Dropbox
OneDrive
Slack
Salesforce
HubSpot
Claude

Our take

Lumin is a sensible Acrobat replacement for teams that live in Google Drive and edit PDFs a few times a week. Pick Pro for a small team, but check the 200-document pool and agreement limits before rolling it out widely.

FAQ

What is Lumin?: Lumin is a PDF & document tools tool: Cloud PDF editor and e-signature built around Google Drive.
How much does Lumin cost?: Lumin uses a Freemium model; paid plans start at $9 per month.
What are the best alternatives to Lumin?: Community-listed alternatives to Lumin include Adobe Acrobat, Nitro PDF, DocHub, Smallpdf.
Does Lumin have a free trial?: Yes, Lumin offers a 7-day free trial.
What does Lumin integrate with?: Lumin integrates with Google Drive, Google Workspace, Dropbox, OneDrive, Slack, Salesforce and more.
Which platforms does Lumin support?: Lumin is available on web, macos, windows, ios, android.
Who is Lumin for?: Google Workspace teams and small businesses that need everyday PDF editing and signing at a flat team price.

Alternatives to Lumin

See all 10

Adobe Acrobat
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Adobe's PDF editor, converter and e-signature suite with AI tools
Freemium · $15Enterprise
checked Oct 20
Nitro PDF
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PDF editor and e-signature suite positioned against Adobe Acrobat
Paid · $15Small businesses
checked Oct 20
DocHub
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Online PDF editor and e-signature tool built around Google Workspace
Freemium · $8Small businesses
checked Oct 20
Smallpdf
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Compress, convert, edit and sign PDFs online
Freemium · $15Small businesses
checked Oct 20
iLovePDF
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Free online PDF toolkit
Freemium · $7Small businesses
checked Oct 20
PDF Expert
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Readdle's PDF editor for Mac, iPhone and iPad with AI tools
FreemiumFreelancers
checked Oct 20

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fileForensics
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Checks files for tampering and AI edits before data is extracted
PaidEnterprise
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