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Game save workbench
Local-first tools No installation Support status shown

Tool family

File Analysis

Compare saves, find values, inspect strings, and analyze file structure.

Current catalog

Verified and in-development tools.

Planned and deprecated records are intentionally excluded from Tool Family archives. Each result still carries its own support and processing state.

Verified

File Analysis

Dreamcast DCM Filesystem Consistency Auditor

Validate the normalized VMU root, FAT and directory structures without rewriting the DCM source.

Platform
Dreamcast
Processing
Local browser processing
Verified
2026-08-11
Verified

File Analysis

Dreamcast VMI Resource Checksum Inspector

Recompute and report the fixed four-byte VMI resource-name checksum relation from a strict 108-byte record.

Platform
Dreamcast
Processing
Local browser processing
Verified
2026-08-11
Verified

File Analysis

Dreamcast VMI Timestamp Inspector

Read the validated creation date/time fields from an exact 108-byte VMI metadata record.

Platform
Dreamcast
Processing
Local browser processing
Verified
2026-08-11
Verified

File Analysis

Dreamcast VMI Filename Inspector

Read the validated NUL-padded twelve-byte VMI filename field.

Platform
Dreamcast
Processing
Local browser processing
Verified
2026-08-11
Verified

File Analysis

Dreamcast VMI Mode Inspector

Decode the bounded VMI mode bits and reserved-field predicate without altering metadata.

Platform
Dreamcast
Processing
Local browser processing
Verified
2026-08-11
Verified

File Analysis

Dreamcast VMI File Size Inspector

Report the non-zero bounded VMI declared file size from a strict 108-byte record.

Platform
Dreamcast
Processing
Local browser processing
Verified
2026-08-11
Verified

File Analysis

Dreamcast VMU Directory Chain Inspector

Follow the validated 13-block VMU directory chain starting at block 253 and report its termination.

Platform
Dreamcast
Processing
Local browser processing
Verified
2026-08-11

Compatibility first

Read the individual tool page before using a save file.

A tool family groups related jobs, but individual file formats and game versions can have different requirements. The individual tool page is the source of truth for compatibility, processing mode, limitations, and verification details.