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We Tested Five Ways to Black Out a Number in a PDF, and Our Own Detector Missed Three

We Tested Five Ways to Black Out a Number in a PDF, and Our Own Detector Missed Three

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6 min read
PDF passwords: the open password vs the owner password (and why permissions alone aren’t security)

PDF passwords: the open password vs the owner password (and why permissions alone aren’t security)

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2 min read
Why Copy-Pasting Two-Column Academic PDFs Scrambles Text — and How On-Device Apple Vision Fixes It

Why Copy-Pasting Two-Column Academic PDFs Scrambles Text — and How On-Device Apple Vision Fixes It

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4 min read
Parsing bank statement PDFs in the browser, with a CSP that proves nothing gets uploaded

Parsing bank statement PDFs in the browser, with a CSP that proves nothing gets uploaded

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6 min read
The file you generate is a memory budget, not a format: streaming PDFs, images and ZIPs under a hard ceiling

The file you generate is a memory budget, not a format: streaming PDFs, images and ZIPs under a hard ceiling

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19 min read
PDF RAG citations break when chunks lose page boundaries

PDF RAG citations break when chunks lose page boundaries

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3 min read
I ran three PDFs through Ghostscript's /screen, /ebook and /printer presets. Here's what happened to each.

I ran three PDFs through Ghostscript's /screen, /ebook and /printer presets. Here's what happened to each.

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2 min read
Reading Hebrew public tenders with LLMs: scanned annexes, moving deadlines and a strict trust order

Reading Hebrew public tenders with LLMs: scanned annexes, moving deadlines and a strict trust order

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7 min read
We built a Zapier integration for our Compress PDF API — test it via our public beta link!

We built a Zapier integration for our Compress PDF API — test it via our public beta link!

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2 min read
Fintech Bundle Evidence: Verify Each PDF Signature Before Page Assembly

Fintech Bundle Evidence: Verify Each PDF Signature Before Page Assembly

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6 min read
True Redaction Beyond Black Boxes: 3 Ownership Gates (For Support Bundles)

True Redaction Beyond Black Boxes: 3 Ownership Gates (For Support Bundles)

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7 min read
PDF Invoice Template Recovery: 3 Audit Records Across Layout Changes

PDF Invoice Template Recovery: 3 Audit Records Across Layout Changes

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9 min read
Compiling LaTeX Papers and Presentations with Prism Studio and Tectonic

Compiling LaTeX Papers and Presentations with Prism Studio and Tectonic

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1 min read
Translating Technical and Scanned PDFs Without Breaking Equations, Tables, or Domain Terms

Translating Technical and Scanned PDFs Without Breaking Equations, Tables, or Domain Terms

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6 min read
I built a free PDF editor with no file-size limit

I built a free PDF editor with no file-size limit

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2 min read
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