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How to Do a Hires.fix-Style Workflow in Fooocus

Learn how to replicate Hires.fix in Fooocus using the built-in Upscale workflow, with step-by-step guidance, FAQs, and pro tips for all users.
Hires.fix-Style Workflow in Fooocus
Published on:
January 20, 2026

Step 1 — Generate an Image

  1. Open Fooocus
  2. Generate your image normally
    • Let Fooocus choose its recommended resolution
    • Do not force ultra-high resolutions (this causes blur & instability)
  3. Pick the best image from the batch

Why this matters:
Hires.fix (and its Fooocus equivalent) works best when the composition is already correct. Upscaling does not fix bad anatomy or framing — it refines detail.

Step 2 — Send Image to Upscale

  1. Click Input Image
  2. Drag your chosen image into:
    “Upscale or Variation”
  3. Make sure you are not in prompt-generation mode anymore
    You are now refining an existing image)

Step 3 — LOCK the Image

This is where most people mess up.

  1. Open Advanced
  2. Disable randomness
    • Set Seed = 0
    • Turn Random OFF (if visible)

✅ This ensures:

  • The image structure stays the same
  • Fooocus refines instead of re-imagining

This directly matches Reddit + YouTube advice and explains why people saw unwanted changes before fixing the seed.

Step 4 — Choose the Correct Upscale Mode

✅ Recommended (Closest to Hires.fix)

  • Upscale (2×)
  • Non-Fast

⚠️ Avoid for Hires.fix-style refinement

  • Fast 2× → acts more like a traditional upscaler

Why non-fast matters:
It performs diffusion-based refinement, closer to img2img / hires.fix behavior.

Step 5 — Generate

Use 1 Image Only

  • Set Images = 1
  • Click Generate

You now get:

  • Higher resolution
  • Sharper textures
  • Cleaner edges
  • Better micro-details

🎉 This is the Fooocus equivalent of Hires.fix

‍

🧠 Pro Tips (Power Users)

🔹 Pro Tip 1 — 1.5× vs 2×

  • 1.5× → subtle refinement, safer for faces
  • 2× → maximum detail, riskier for artifacts
    ‍

🔹 Pro Tip 2 — Faces Changing?

  • Disable Enhance temporarily
  • Use non-fast upscale
  • Avoid prompt edits during upscale
    ‍

🔹 Pro Tip 3 — Best Hires.fix Quality

  1. Generate base image
  2. Upscale 1.5× (non-fast)
  3. Upscale again 2× (optional)
  4. Stop before artifacts appear
    ‍

(This mirrors multi-pass hires.fix workflows in A1111)

🔹 Pro Tip 4 — When NOT to Upscale

  • Bad anatomy
  • Crooked faces
  • Broken hands
  • Wrong composition

Fix those before upscaling.

Fooocus Upscale (“Hires.fix”) FAQs

Quick answers for beginners, intermediate users, and power users.

Because direct high-res generations often trade stability for pixels:

  • More blur or “mushy” texture
  • Less stable composition (poses/structure drift)
  • More artifacts (weird edges, noise, odd micro-details)
Pro tip

Think “hires.fix philosophy”: stability first, detail second. Generate a clean base, then upscale/refine.

Most commonly, Fooocus is producing a variation because something is still allowing randomness or prompt drift:

  • You left Random Seed on
  • You used Variation instead of Upscale
  • You changed the prompt during upscale (can re-interpret content)
Fix checklist

Set Seed = 0, turn Random off (if shown), remove prompt edits, then use Upscale only.

Fast vs Non-Fast changes how much “refinement” happens during upscale:

  • Fast 2×: quicker, more like a traditional upscaler (less re-detail)
  • Non-Fast 2×: stronger refinement, closer to a hires.fix/img2img feel
Rule of thumb

Use Non-Fast when you want a hires.fix-like result. Use Fast for quick enlargements when you don’t want extra changes.

Not officially as a single always-on toggle like A1111.

However, the community references automation approaches such as:

  • GitHub feature requests for auto-upscale behavior
  • Debug / Advanced experimental toggles (varies by build)
  • Enhance-based workflows that refine outputs
Pro tip

If your build includes it, look under Advanced/Debug for automation-style options. Otherwise, the reliable path is: generate → Upscale (2× non-fast).

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