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What Tablif read on PDFDocPreflight's site

PDFDocPreflight describes itself as: “PDF Preflight Tools for KDP, Lulu & IngramSpark”

Price model: free tier
Free tier: Free forever
Stage: Live, no waitlist
How it differs: “This sits in between: structural checks that apply to any PDF, plus destination rules sourced directly from each platform's own documentation.”

What it is

Calls itself “preflight tools”.

Calls itself: preflight tools

“Free PDF preflight tools for Amazon KDP, Lulu, and IngramSpark.”

Where it puts itself

Rules out “not uploaded to a server”.

Says it will not: not uploaded to a server

“This sits in between: structural checks that apply to any PDF, plus destination rules sourced directly from each platform's own documentation.”

“Your document is not uploaded to a server.”

What it costs

A free tier, free forever. No monthly or yearly plan.

Monthly: no
Yearly: no
Free plan: free forever

“Is PDFDocPreflight free? Yes. The checkers and calculators are free to use with no account needed, and your file is processed in your browser.”

“Free · No account required · Browser-based processing”

“Professional preflight services exist too. Send a file in, get a report back a day later, usually for a fee. PDFDocPreflight does the same job instantly and for free”

Who it sells to

Sells to consumers. Made for authors. Available in 6 languages.

Sells to: consumers
Made for: authors
Languages: 6 languages

“For self-published authors, the stakes are the same: a PDF that fails preflight gets rejected, delayed, or, worse, printed with a problem nobody caught until the physical book arrived.”

“For self-published authors, the stakes are the same”

How it runs

A web app. Runs locally and works offline. No API. Built with Google Analytics.

Kind: web
Runs where: on the device, offline
API: no
Analytics: Google Analytics

“Browser-based processing”

“PDFDocPreflight analyzes your PDF in your browser using pdf.js and pdf-lib.”

What it works with

Analyzes / reviews IngramSpark and Lulu. Built on pdf-lib and pdf.js. Names Amazon KDP and onlinefontviewer.com on its pages.

Analyzes / reviews: IngramSpark · Lulu
Built on: pdf-lib · pdf.js
Names: Amazon KDP · onlinefontviewer.com

“Free PDF preflight tools for Amazon KDP, Lulu, and IngramSpark.”

“My other free tool, onlinefontviewer.com , opens font files right in your browser.”

What it offers as proof

Live, no waitlist. Try it without signing up. Publishes docs.

Instant signup: yes
Trial asks for: nothing

“Upload PDF Try a sample PDF”