The interface and keyboard shortcuts are nearly identical to Adobe Photoshop. Because it runs purely in your web browser, it is the ultimate "portable" application—no installation required on any computer you use. File Support: It natively opens and saves .PSD files. 2. GIMP (GNU Image Manipulation Program)

Despite being over two decades old, Photoshop CS2 contains the foundational tools that modern digital artists still rely on. For basic editing tasks, it remains highly capable.

GIMP is an open-source, powerful raster graphics editor. The community officially maintains "GIMP Portable" through platforms like PortableApps. This version is legally free, entirely secure, and optimized to run directly from a USB drive on modern operating systems. It features a wide array of advanced filters, layers, and mask capabilities. 3. Krita Portable

for the general public. Adobe officially states that only those with a pre-existing license for CS2 are legally entitled to use those serial numbers. The Risks of "Portable" Versions

Enables non-destructive scaling, rotating, and warping of layers without losing original image quality.

Adobe officially retired the Creative Suite 2 (CS2) line many years ago.