Iurii Rogulia
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HTPBE.TECH
Detect if a PDF was tampered with — in seconds
HTPBE analyzes the binary structure of PDF files to detect post-creation modifications. Upload any PDF and get a verdict — intact, modified, or inconclusive — based on metadata timestamps, Creator/Producer fields, xref revisions, and digital signature status. Free web tool, no account required. REST API available for automated workflows.
Top comment
Hey Product Hunt! 👋 I'm Iurii, the founder of HTPBE. The problem I kept running into: PDFs are the most trusted document format in business — invoices, contracts, diplomas, bank statements. And they're trivially easy to edit. Most people assume a PDF looks legitimate = a PDF is legitimate. That's not true. Any PDF editor can change an amount, a date, a name, and the result is visually identical to the original. HTPBE reads the binary structure of the PDF — not the rendered content. A PDF file keeps a structural record of every save operation: metadata timestamps, Creator/Producer fields, xref table revisions, digital signature status. If the file was modified after creation, that record shows it. The tool returns three verdicts: → intact — no structural evidence of post-creation modification → modified — clear evidence found (with specific markers) → inconclusive — created with consumer software, structural signals ambiguous The free web tool works without an account. The API is for teams that want to automate this check at intake — before a payment runs, before a contract is signed, before a hire is made. Happy to answer anything about how the detection works, what it misses, or why I built it this way.
About HTPBE.TECH on Product Hunt
“Detect if a PDF was tampered with — in seconds”
HTPBE.TECH was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #294 on the daily leaderboard. HTPBE analyzes the binary structure of PDF files to detect post-creation modifications. Upload any PDF and get a verdict — intact, modified, or inconclusive — based on metadata timestamps, Creator/Producer fields, xref revisions, and digital signature status. Free web tool, no account required. REST API available for automated workflows.
On the analytics side, HTPBE.TECH competes within Legal and Security — topics that collectively have 8.7k followers on Product Hunt. The dashboard above tracks how HTPBE.TECH performed against the three products that launched closest to it on the same day.
Who hunted HTPBE.TECH?
HTPBE.TECH was hunted by Iurii Rogulia. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of HTPBE.TECH including community comment highlights and product details, visit the product overview.