AI Upscaler inside Photoshop / Real-ESRGAN via Replicate - 2x/4x/6x/8x/10x (Mac & Windows)

AI Upscaler — upscale 2x, 4x or 6x with Real-ESRGAN via Replicate directly inside Photoshop

Select layer → run script → done!

All without leaving PS. Works in Photoshop Beta 2025 too. Perfect final step after Harmonize or AI scripts like Nano Banana, Flux Kontext, or Seedream

=> ***What’s New:

Update v.3 is here with some important updates:

• Better handling of large images - improved auto-resizing for 3.7MP+ files and smoother processing for Extra-large 10MP+ images (thanks to David and Carlos for the feedback!) / Cleaner, friendlier interface / Improved processing messages

Features

• Direct Upscale in Photoshop, no exporting, no external platforms
• 2x 4x 6x upscale options
• Built-in face enhancement (GFPGAN)
• Mac & Windows support
• Setup guide included with step by step instructions for getting and using your Replicate API key
• Works as the final step after Harmonize to bring back sharp details before exporting
• 7 day refund if you're not happy

Compatibility

• Works with any image inside Photoshop
• Compatible with Harmonize (including Beta), ideal for sharpening blurred AI-generated images
• Lightning-fast processing (typically 9 seconds)

I made this as an illustrator for my own print work, and I know it inside out — so if you ever get stuck, just message me.

Practical Tips

• Restart Photoshop after adding the script or API key, otherwise it may not run correctly
• Current cost: about $0.002 per upscaled image (may change if Replicate updates pricing)

Usage & Licensing (attached)

• For personal use only
• No resale, redistribution, or derivative products allowed
• You can modify the script for your own workflow, but not for resale

Support Questions? Email: anna.paskini@outlook.com