Free Windows App  ·  100% Offline  ·  No Cloud

Upscale. Compress.
Perfected by AI.

Transform hundreds of images with AI-powered upscaling and smart compression — running locally on your GPU. Zero cloud. Zero subscriptions.

Download for Windows — Free See it in Action
7
Built-in AI Models
4×
Image Upscale
0
Cloud Uploads
100%
Free Forever
PixelForge — Image Pipeline
Dashboard
Settings
About
AI Upscaling RUNNING
Upscaled 34 of 104 images · Upscayl Standard 4×
Compression (caesium) WAITING
104
Input
34
Upscaled
0
Compressed
—
Saved
[12:01:05] Upscaled 32 of 104 — photo_032.jpg
[12:01:18] Upscaled 33 of 104 — photo_033.jpg
[12:01:31] Upscaling 34 of 104 — photo_034.jpg
Features

Everything You Need.
Nothing You Don't.

Professional-grade image processing in a lightweight Windows app. No subscriptions, no logins, no limits.

7 Bundled AI Models
Ships with Upscayl Standard, Lite, Ultra Sharp, Remacri, UltraMix, Digital Art, and High Fidelity — no downloads required, works entirely offline.
GPU Accelerated
Vulkan-powered inference via upscayl-ncnn. Auto-detects your dedicated GPU for blazing performance on any Windows machine.
Real-Time Progress
Exact live counts — "Upscaled 34 of 104" — no estimations, no guessing. Watch every image complete in real time via the live log.
Smart Compression
caesium compression shrinks file sizes after upscaling without visible quality loss. Fully configurable quality targets and output formats.
Clean Cancellation
Cancel mid-batch at any time. PixelForge stops gracefully between images — no errors, no crashes, no corrupted output files left behind.
100% Offline & Private
Your images never leave your machine. No accounts, no telemetry, no cloud. Full privacy by design — always and forever.

All 7 AI models bundled — no internet, no downloads

Upscayl Standard 4×
Upscayl Lite 4×
Ultra Sharp 4×
Remacri 4×
UltraMix Balanced 4×
Digital Art 4×
High Fidelity 4×
How It Works

Up & Running
in 3 Steps.

Install once, use forever. No subscriptions, no logins, no internet required after setup.

01
Download & Install
Run the Windows installer. PixelForge sets up everything automatically — all 7 AI models are bundled inside. No extra downloads, no configuration needed.
02
Select Your Folder
Point PixelForge to any folder of images. It scans instantly and shows exactly how many images it found before you begin — JPEG, PNG, WebP supported.
03
Start the Pipeline
Hit Start. Watch each image upscale one by one with live progress, then get compressed output — ready to use, space saved shown in real time.
Built on Open Source

Standing on the
Shoulders of Giants.

PixelForge is a smart automation layer over outstanding open-source tools. Full legal attribution is included in every installation.

upscayl-ncnn
AGPL-3.0
The core AI upscaling engine. Vulkan-based NCNN inference by the Upscayl team. Powers every upscale in PixelForge with full GPU acceleration.
upscayl-custom-models
MIT
The trained AI model weights — 7 curated models for different image types. All bundled directly inside the PixelForge installer for offline use.
caesium-clt
GPL-3.0
High-quality configurable image compression CLI by Matteo Paonessa. Handles the compression stage of the PixelForge pipeline.
Privacy First

Your Images.
Your Machine.

We built PixelForge so your data never has to leave your hands. No servers, no accounts, no compromise.

Fully Offline Processing
All AI inference runs locally on your GPU. No internet connection required after installation.
No Data Collection
We collect zero analytics, zero telemetry, zero usage data. There is no phone-home. Ever.
Open Source Transparency
Built on verifiable open-source tools you can audit. Every dependency is credited and licensed.
Local AI processing
No account required
No usage analytics
Open source dependencies
Cloud image uploads
Subscription or login
Telemetry or tracking
Read our full Privacy Policy
Free forever  ·  No account required

Ready to Upscale
Everything?

Download PixelForge for Windows and process your first batch in under 2 minutes. All 7 AI models bundled — no additional downloads needed.

Download PixelForge for Windows — Free

Windows 10 / 11  ·  64-bit  ·  ~230 MB  ·  View on GitHub  ·  Privacy Policy