No-Intro DAT Matcher

Spec sheet

Purpose

The script matches ROM files to No-Intro or Redump DAT filenames and copies them to an output folder with those names.Read 7 Oct 2026 · github.com

DAT sources

The README directs users to obtain DAT files from DAT-o-MATIC or Redump.Read 7 Oct 2026 · github.com

Dependencies

The instructions require Python 3 and the xmltodict and tqdm packages.Read 7 Oct 2026 · github.com

Disk-space option

For large games when disk space is limited, the maker recommends moving files instead of copying them.Read 7 Oct 2026 · github.com

File handling

The example commands support copying or moving renamed files and skipping files already in the output folder.Read 7 Oct 2026 · github.com

Large-file limit

The maker says hashing large disc-based games can take a very long time and recommends --skip-existing for repeated runs.Read 7 Oct 2026 · github.com

License and warranty

The repository provides the software under the MIT License and says it is provided as is without warranty.Read 7 Oct 2026 · github.com

Matching method

It hashes files and matches their hashes against entries in a DAT file.Read 7 Oct 2026 · github.com

Missing files

It prints missing ROMs and unmatched files to a text file to help identify missing ROMs.Read 7 Oct 2026 · github.com

N64 handling

The README says N64 users may need both Byte Swapped and Big Endian DATs and mentions tool64 for converting ROM formats.Read 7 Oct 2026 · github.com

NES handling

NES files with an iNES header must end in .nes for matching, and the script skips the first 16 bytes for those files.Read 7 Oct 2026 · github.com

Windows note

The maker reports occasional errors when running through cmd or PowerShell and says it seems to work better with Python in a Cygwin terminal.Read 7 Oct 2026 · github.com

Plans and prices

Every No-Intro DAT Matcher plan and price →

Where Specifiction places it

• ROM Management Software#17 of 397.5