Later, she discovered – a free, offline AI upscaler (no Photoshop needed). It didn’t just enlarge; it reinterpreted JPEG garbage into plausible detail. She ran the old elm photo through it, then used Photopea (free browser-based Photoshop clone) to blend the result with the original.
Then she remembered (free, open source) with a plugin called “G’MIC-Qt” . It had a filter: Repair → JPEG Denoise . It wasn’t perfect, but it softened the blocks. Combined with “Wavelet Decompose” and a high-pass mask, she reduced the artifacts by 70%. download free jpeg cleanup adobe photoshop filter
“We need a Photoshop filter that cleans JPEGs,” her boss said. “And it has to be free.” Later, she discovered – a free, offline AI