Local Processing Local CPU
Merge, Split, Rotate & Page Tools
Reorder pages, merge multi-file collections, extract intervals, and rotate orientations. Runs entirely via local CPU algorithms inside your process.
Version v1.21.2 Windows 10 / 11 · 64-bit · Open Source
Bare. Fast. Yours.
An offline, resource-bounded PDF reader built with Rust and Google PDFium. Zero telemetry, zero accounts, and zero cloud lock-in.
Engine Google PDFium
UI Framework Slint & Rust
Memory Byte-Bounded LRU
Network Offline by Default
Actual release interface running on Windows 11. Fluent dark theme, integrated thumbnail navigation, and keyboard-driven HUD.
Verified Zero Telemetry
GitHub API Live Asset Metrics
Release Distribution Metrics
193 Total Asset Downloads
131 Setup Installer (.exe)
62 Portable Archive (.zip)
0 Background Tracking Calls
Asset numbers reflect the raw GitHub release asset download counter at site build time. They represent binary retrievals (including CI runners and repeated downloads), not unique active users. BarePDF transmits 0 analytics pings, sets 0 tracking cookies, and runs offline by default.
Committed Evidence
Measured Performance & Memory Bounds
Recorded using the repository benchmark script on Windows 11. No estimated numbers or speculative marketing charts.
Environment: Microsoft Windows 11 Pro · AMD Ryzen 5 5500
2.51 MB Idle Private Memory Clean application start, no document loaded
2.54 MB Document Loaded Memory With sample PDF loaded in memory
0.0% Settled Idle CPU Usage Zero background polling threads
13.6 MB Working Set Footprint Total active memory footprint under OS
Engineering Philosophy
What BarePDF Deliberately Does Not Do
Modern document tools often extract user attention and system resources to feed cloud platforms. BarePDF is built on an explicit series of architectural refusals.
01
crates/barepdf-platform-windows No Background Telemetry or Tracking Beacons
BarePDF contains 0 analytics SDKs, 0 user activity pings, and 0 identifier cookies. Reading activity stays entirely on your personal processor.
02
apps/barepdf/src/presentation/state.rs No Mandatory User Accounts or Cloud Sign-Ins
No email forms, subscription countdowns, paywalls, or cloud dependencies. When you launch BarePDF, you immediately open documents.
03
crates/barepdf-ui No In-App Advertisements or AI Summarization Upsells
The interface remains uncluttered. There are no sponsored banners, marketing sidebars, or intrusive modal dialogs urging you to upgrade to AI tiers.
04
apps/barepdf/src/infrastructure/update Offline by Default Operation
Document parsing, bitmap rendering, annotations, and page tools run strictly via local CPU instructions. Network connectivity is used only if you explicitly choose to check for updates.
Verified Capabilities
Fast, Focused, Verified Document Tooling
Every feature runs locally in your machine process without requiring external cloud subscriptions, telemetry trackers, or background sync services.
Vector Layer Annotations
Glyph Highlights, Ink Strokes & Stamp Notes
Highlight text with glyph-accurate vector coordinates, draw ink lines with full undo/redo stack, and place typewriter text annotations on any page.
Quick Actions Ctrl+K HUD
Keyboard-Driven Command Palette (Ctrl+K)
Jump to specific page numbers, toggle paper reading tints, switch view modes, or trigger tools without moving your hands away from the keyboard.
Viewport Layouts Reading Modes
Four Dedicated Layout Modes
Continuous vertical scrolling, focused single-page view, two-page side-by-side spread, and cover-aware book view layout.
Visual Ergonomics Eye Comfort
Calibrated Paper Reading Tints
Sepia for long daytime reading sessions, dark night tones for low-light rooms, Amber warmth, and high-contrast color inversion.
Windows Shell Win32 Native
Native Win32 Print & Shell Thumbnails
Direct high-resolution printing pipeline via native Win32 printer dialogs. Dedicated shell provider generates crisp PDF thumbnails inside Windows Explorer.
Live Git Stream
View Full Changelog Recent Repository Activity
Synchronized directly from the default branch on every site deployment.
d0e06eb fix: resolve Linux window dragging with down event and restore Slint compatibility
d6209cd fix: resolve Linux window dragging and update installation loop
d697410 feat: add smartboard mode and fix linux window controls
377d812 fix: allow Linux release assets in test-existing-release
ca44a87 fix: canonicalize Linux deb package asset name and allow revisioned fallback
Documentation & Guides
Explore the Technical Guides
Whether you are configuring desktop shortcuts or compiling from source with Cargo and PDFium, consult our documentation.