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

YY-CHR vs DSVEdit

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score YY-CHR #1 in ROM Hacking Tools 8.4/10 Free plan Free plan✓ 2 of 3 features Visit YY-CHR
DSVEdit #7 in ROM Hacking Tools 6.8/10 Free plan Free plan✓ 2 of 3 features Visit DSVEdit

YY-CHR leads on 0 checks, DSVEdit on 0, and 3 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreYY-CHR · 8.4/10
  • Free planboth

YY-CHR scores higher on our rubric for rom hacking tools: 8.4 against 6.8 out of 10; our editors rank them #1 and #7.

YY-CHR is the better fit for editing ROM graphics across multiple systems. DSVEdit is the better fit for editing supported NDS and GBA Castlevania ROMs.

  • YY-CHR fits best

    Editing ROM graphics across multiple systems

  • DSVEdit fits best

    Editing supported NDS and GBA Castlevania ROMs

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 YY-CHR 8.4/10 Visit ↗ DSVEdit 6.8/10 Visit ↗
At a glance
Editor score 8.4 6.8
Ranking #1 in ROM Hacking Tools #7 in ROM Hacking Tools
Best for Editing ROM graphics across multiple systems Editing supported NDS and GBA Castlevania ROMs
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Desktop Desktop
Platforms Windows Windows
Support Community Docs
Built for Solo Solo
Features YY-CHR 2/3 · DSVEdit 2/3
ROM editing ✓ ✓
Tile/sprite editing ✓ ✓
Hex editor Not checked yet Not checked yet
Specs
Patch formats Not checked yet Not checked yet
Supported platforms Windows Windows
Game scope Multiple games Multiple games
Our review
Pros
  • Supports tile formats for NES, Game Boy, SNES, PCE, GBA, and more
  • Palette editor can load palettes from emulator state files
  • Includes ROM Palette Editor and PRG Pattern Editor utilities
  • Edits rooms, maps, entities, graphics, sprites, and text
  • Builds modified ROMs from edited game files
  • Can launch an emulator for modified-ROM and room testing
Cons
  • Focused on ROM graphics rather than full ROM editing
  • Palette display changes do not alter the graphics themselves
  • The latest listed build is dated 2021-06-06
  • Supports only five specified Castlevania games
  • Requires Windows
  • Does not document patch-format creation or a hex editor
Our verdict

YY-CHR is a Windows desktop dot editor for viewing and editing graphics contained in retro-game ROMs. Its audience is people working on graphics across multiple older console and computer formats, rather than users looking for a full ROM…

Read the review →

DSVEdit is a free Windows desktop editor for modifying data in five Castlevania games on Nintendo DS and Game Boy Advance. It is aimed at solo ROM hackers working with Dawn of Sorrow, Portrait of Ruin, Order of Ecclesia, Aria of Sorrow, or…

Read the review →
  1. YY-CHRROM Hacking Tools 8.4Free plan
  2. DSVEditROM Hacking Tools 6.8Free plan

Strengths and trade-offs

  • YY-CHR — where it wins

    • Supports tile formats for NES, Game Boy, SNES, PCE, GBA, and more
    • Palette editor can load palettes from emulator state files
    • Includes ROM Palette Editor and PRG Pattern Editor utilities

    Where it doesn't

    • Focused on ROM graphics rather than full ROM editing
    • Palette display changes do not alter the graphics themselves
    • The latest listed build is dated 2021-06-06
  • DSVEdit — where it wins

    • Edits rooms, maps, entities, graphics, sprites, and text
    • Builds modified ROMs from edited game files
    • Can launch an emulator for modified-ROM and room testing

    Where it doesn't

    • Supports only five specified Castlevania games
    • Requires Windows
    • Does not document patch-format creation or a hex editor

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update