No Bloat PDF is a free 4.6 MB PDF reader for Windows 10 and 11. It opens documents instantly, includes tabs, search, dark mode, annotations, and signatures, and makes zero network calls: no ads, no accounts, no telemetry.
Right here. Download No Bloat PDF, run the 4.6 MB installer (no admin rights needed), and you are reading PDFs about ten seconds later. The installer is digitally signed by verified publisher Brian Galvan, and the SHA-256 checksum is published next to the link so you can verify your copy. It costs nothing today and nothing later: there is no trial clock, no locked features, and no subscription waiting to spring.
Everything most people actually do with a PDF, and nothing that slows the app down. Here is the complete feature list, because it fits in a table:
| Feature | In No Bloat PDF |
|---|---|
| Open and read any PDF | Instant, even large files |
| Multiple documents | Tabs in one window (Ctrl+Tab to switch) |
| Find text | Full text search with highlight-all |
| Navigate | Thumbnails, bookmarks, outline, zoom, rotate |
| Mark up | Highlight, text notes, freehand drawing, stamps |
| Sign | Draw or type a signature, save the signed copy |
| Fill forms | Standard PDF forms, saved locally |
| Protected files | Password-protected PDFs, decrypted on your machine |
| High resolution, straight from the viewer | |
| Dark mode | Follows your system, documents stay true-color |
| Remembers your place | Reopens every file where you left it |
| Ads, accounts, telemetry | None. Zero network calls, ever |
The one honest limitation: it does not do heavy PDF editing, by design. That is exactly how the big readers got slow. If you mostly read, search, annotate, and sign (which is most people, most days), this is the whole toolkit.
Because "free" is usually a business model: ads in the toolbar, cloud upsells, bundled extras, and telemetry that pays the bills. We wrote up how that works in The hidden cost of free PDF readers. No Bloat PDF is free because one developer built it to give away. It makes zero network calls, so it could not phone home even if it wanted to. Unplug your internet and it works exactly the same, which is the simplest privacy audit there is.
If you landed here while hunting for Adobe's reader, read Before you download Adobe Reader first. And if your PDFs currently take forever to appear, here is why: the format was designed for instant first-page rendering. The delay is the app, not the file.
Version 1.0.0 · Windows 10/11 (x64) · 4.6 MB · free forever
Signed, 4.6 MB, zero telemetry. It will be open before you finish this sentence.
Download for Windows