ROM Management

Tools for exporting, fixing, trimming, renaming, and scraping ROM metadata.

Header Export

Exports parsed ROM header information to external files.

Export Formats

  • Text report — human-readable summary for one or more ROMs.
  • CSV file — tabular data with one row per ROM, suitable for spreadsheets.

Batch Mode

Select a directory to export headers for all ROMs found inside it. The batch report includes a system-by-system summary.

SNES Copier Header Tool

Manages the 512-byte copier header found in some SNES ROM dumps.

Operations

Operation Description
Detect Checks whether a copier header is present
Add Prepends a 512-byte header to an unheadered ROM
Remove Strips the first 512 bytes from a headered ROM

Copier headers were added by hardware backup devices (Super Magicom, Super Wild Card, etc.) and can cause compatibility issues with some emulators and flash carts.

Batch Header Fixer

Fixes or recalculates ROM headers for all supported files in a directory.

Supported Fix Operations

System Fix Applied
SNES Internal checksum recalculation
NES iNES header cleanup (dirty bytes)
Game Boy / GBC Header checksum and global checksum
GBA Header checksum recalculation
Mega Drive / Genesis Internal checksum recalculation
Sega 32X Checksum recalculation
SMS / Game Gear TMR SEGA checksum
N64 CRC1/CRC2 checksum (CIC-NUS-6102)
Atari 7800 Header validation
Atari Lynx LYNX header cleanup
PC Engine Copier header cleanup
Virtual Boy Header validation
Neo Geo Pocket Header validation
Atari Jaguar Header validation
MSX Cartridge header validation
ColecoVision Header validation
Watara Supervision Header validation
Nintendo DS Header CRC16 recalculation
Intellivision Header validation

Usage

  1. Select a directory containing ROM files.
  2. Click Fix Headers.
  3. The tool processes each file and reports what was fixed or skipped.

ROM Trimmer

Removes trailing padding bytes from ROM files to reduce file size.

How It Works

  1. Select a ROM file.
  2. The tool analyzes trailing bytes (0x00 and 0xFF patterns).
  3. The trimmed size is calculated, aligned to the nearest power of two to maintain compatibility.
  4. Space savings are shown before you confirm the trim.

ROM Renamer

Renames ROM files based on information parsed from their headers.

Naming Components

The new filename is built from:

  • Game title (internal name)
  • Region code
  • System identifier

Modes

  • Single file — rename one ROM.
  • Batch directory — preview all proposed renames before applying them.

File names are sanitized for cross-platform compatibility (invalid characters are replaced).

Metadata Scraper

Extracts metadata from ROM files in bulk and exports the results.

Collected Metadata

  • Header-parsed fields (title, region, mapper, sizes)
  • File checksums (optional: CRC32, MD5, SHA-1, SHA-256)
  • System type and file extension

Export Formats

  • CSV — tabular data with one row per ROM.
  • Text report — human-readable summary.

ROM Organizer

Automatically sorts ROMs into system-specific subfolders based on detected system type.

How It Works

  1. Select a source directory containing ROM files.
  2. Select an output directory where system folders will be created.
  3. Optionally filter to a specific system.
  4. Choose Copy or Move mode.
  5. Click Organize to begin.

Features

  • System auto-detection — each ROM is identified by its file extension and header via the ROM detector.
  • Copy or Move — duplicate ROMs into organized folders while preserving originals, or relocate them.
  • System filter — optionally organize only a specific platform.
  • Duplicate handling — files that already exist at the destination are skipped (no overwrites).
  • Summary report — shows processed, skipped, and failed file counts after completion.