Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience real numbers from our own analytics — open to see them
–Visitors
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · counted by iTechGuides's own first-party analytics, bots removed, every figure rounded down · how we count

Head-to-head · ROM Hacking Tools

HexManiacAdvance vs Lazy Shell

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score HexManiacAdvance #4 in ROM Hacking Tools 7.1/10 Free plan Free plan✓ 3 of 3 features Try HexManiacAdvance
Lazy Shell #5 in ROM Hacking Tools 7.0/10 Free plan Free plan✓ 3 of 3 features Visit Lazy Shell

HexManiacAdvance leads on 0 checks, Lazy Shell on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreHexManiacAdvance · 7.1/10
  • Free planboth

HexManiacAdvance scores higher on our rubric for rom hacking tools: 7.1 against 7.0 out of 10; our editors rank them #4 and #5.

On game scope, HexManiacAdvance gives you Game series where Lazy Shell offers Specific game.

HexManiacAdvance is the better fit for broad Pokémon ROM editing and patching. Lazy Shell is the better fit for editing Super Mario RPG ROM content.

  • HexManiacAdvance fits best

    Broad Pokémon ROM editing and patching

  • Lazy Shell fits best

    Editing Super Mario RPG ROM content

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. How we rank.

Side by side

Feature HexManiacAdvance 7.1/10 Visit ↗ Lazy Shell 7.0/10 Visit ↗
At a glance
Editor score 7.1 7.0
Ranking #4 in ROM Hacking Tools #5 in ROM Hacking Tools
Best for Broad Pokémon ROM editing and patching Editing Super Mario RPG ROM content
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Desktop Desktop
Platforms Windows Windows
Built for Solo Solo, Small business
Features HexManiacAdvance 3/3 · Lazy Shell 3/3
ROM editing ✓ ✓
Tile/sprite editing ✓ ✓
Hex editor ✓ ✓
Specs
Patch formats IPS, UPS Not checked yet
Supported platforms Windows Windows
Game scope Game series Specific game
Our review
Pros
  • Combines byte editing with Pokémon data, maps, text, graphics, and scripts
  • Imports and exports PNGs for image and tilemap work
  • Creates and applies IPS and UPS patches
  • Edits maps, NPCs, exits, event fields, and map layers.
  • Combines sprite, palette, script, audio, and hex editors.
  • Previews levels and scripts through SNES9X or ZSNES.
Cons
  • Focused on Pokémon Game Boy Advance games
  • Supports Windows only
  • Community support may not suit users seeking dedicated assistance
  • Focused on the US version of Super Mario RPG, not multiple games.
  • Requires Windows and Microsoft .NET Framework 4.0 or higher.
  • Previewing depends on SNES9X or ZSNES.
Our verdict

For Pokémon Game Boy Advance ROM projects, HexManiacAdvance brings a hex editor together with specialized tools for game content. Its documented support covers English Ruby, Sapphire, FireRed, LeafGreen, and Emerald, making it relevant to…

Read the review →

Lazy Shell is a free Windows desktop editor for modifying elements in the US version of the Super Mario RPG ROM. Its audience is hackers working on that game who want a single application for maps, graphics, scripts, audio, and other ROM…

Read the review →
  1. HexManiacAdvanceROM Hacking Tools 7.1Free plan
  2. Lazy ShellROM Hacking Tools 7.0Free plan

Strengths and trade-offs

  • HexManiacAdvance — where it wins

    • Combines byte editing with Pokémon data, maps, text, graphics, and scripts
    • Imports and exports PNGs for image and tilemap work
    • Creates and applies IPS and UPS patches

    Where it doesn't

    • Focused on Pokémon Game Boy Advance games
    • Supports Windows only
    • Community support may not suit users seeking dedicated assistance
  • Lazy Shell — where it wins

    • Edits maps, NPCs, exits, event fields, and map layers.
    • Combines sprite, palette, script, audio, and hex editors.
    • Previews levels and scripts through SNES9X or ZSNES.

    Where it doesn't

    • Focused on the US version of Super Mario RPG, not multiple games.
    • Requires Windows and Microsoft .NET Framework 4.0 or higher.
    • Previewing depends on SNES9X or ZSNES.

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update