Getting Started · 3 min read
How to Use Muscle Editor: The 60-Second Walkthrough
A complete walkthrough of the Muscle Editor app - from upload to first render to HD export. Use this if you’re getting started.
Published February 10, 2026
Muscle Editor is a four-tap app. If your first render looks weird, you skipped step two.
Most "first edits don’t look right" complaints come down to choosing the wrong photo or the wrong intensity. The fix is one minute of setup.
The work, step by step
- Pick or shoot the right photo. Front-on, even daylight, fitted or no shirt. Bad lighting and baggy clothes are the #1 cause of weak first renders.
- Tap the body parts you want to edit. Up to three at a time. Stick to abs+chest+arms for upper-body or glutes+legs for lower-body until you know how the AI handles your frame.
- Pick an intensity. Fit for realistic edits, Muscular for clear gains, Bodybuilder for maximum. New users almost always start with Fit.
- Generate. Hit the button. Most renders finish in 20–40 seconds. The result lands in your history automatically.
- Compare and refine. Drag the before/after slider. If the result is too subtle, re-run on Muscular. Too cartoonish, drop to Fit. The original photo is preserved.
- Save in HD. Premium upscale exports a crisp HD version - the one you’ll actually use as your wallpaper or post.
Common pitfalls
- Picking a baggy-hoodie photo - the AI can’t see what to enhance.
- Maxing every body part on Bodybuilder for the first render.
- Re-running 10 times instead of switching the photo.
Pro tip: Generate Fit, Muscular, and Bodybuilder versions of the same photo. Comparing all three teaches you which intensity reads "true" for your frame.
How Muscle Editor fits in
Every step of this walkthrough is in the Muscle Editor app today. Free credits get you through the full upload-to-export loop without spending a cent. Premium just removes daily caps and unlocks HD upscale.
Frequently asked questions
How long does the first edit take?
About 60 seconds total - 20 seconds of setup, 30–40 seconds of render time.
What if the result looks fake?
Drop the intensity. Fit is the most realistic preset and works on the widest range of starting frames.
Can I use the app offline?
You can browse your saved history offline. Generation needs an internet connection because the AI runs in the cloud.
Filed under Getting Started. Tagged: tutorial, walkthrough, getting started.