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Today: 1,953 launches · Niche of the day: specialized calculation tools · See what launched today →

PDFBlack

Zero-knowledge, 100% local in-browser PDF suite

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The private alternative to cloud PDF tools. Merge, split, compress, foliate, and convert PDFs 100% locally in your browser using Web Workers and WebAssembly. No file uploads, no remote servers, zero data tracking. Completely free and open-source.

PH · launched Sep 30, 2026 · 1 upvote (top 69%) · 0 views

Niche: browser-based pdf tools · 442 launches, 36 in the last 7 days ▼ -32% · Explore this niche →

Category and tags
  • Horizontal
  • Workflow automation
  • Prosumer
  • Not AI
  • Commercial product
  • Open Source
  • Privacy
  • Developer Tools
  • GitHub

Visit website ↗ Source listing ↗

More like this: all 442 launches in browser-based pdf tools →

Could you build this?

Yes In-browser PDF manipulation is readily achievable using popular client-side libraries such as pdf-lib, PDF.js, and WebAssembly-compiled poppler/Ghostscript.

Competitors

Other products that read as similar to this one : 1509 launches clear the similarity bar, closest 8 shown.

Attention rank: #1188 of 1510 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 308 days after the earliest competitor.

  • Free PDF Tools Online · ph · 2026-09-22 · 1 upvotes · similarity 0.69
  • ZifyPDF · ph · 2026-09-20 · 1 upvotes · similarity 0.66
  • ForgePDF · ph · 2026-10-01 · 2 upvotes · similarity 0.65
  • Freeallpdf · ph · 2026-09-11 · 1 upvotes · similarity 0.65
  • localipdf · ph · 2026-11-03 · 1 upvotes · similarity 0.65
  • SlowPDF · ph · 2026-10-29 · 1 upvotes · similarity 0.65
  • LocalPDF Tools · ph · 2026-09-16 · 1 upvotes · similarity 0.64
  • GetTaskCraft · ph · 2026-10-20 · 1 upvotes · similarity 0.64

Related data

The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.