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

Tool family

Hex & Binary Tools

Inspect bytes, numbers, endian order, signatures, and low-level data.

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

Hex & Binary Tools

SHA-512 Integrity Receipt

Calculate SHA-512 over the exact bytes of one local file, optionally compare an expected digest, and export a deterministic read-only integrity receipt without inferring file validity.

Platform
Platform details on page
Processing
Local browser processing
Verified
2026-08-11
Verified

Hex & Binary Tools

CRC-32/ISO-HDLC Byte-Range Integrity Inspector

Use the existing verified CRC-32/ISO-HDLC implementation to calculate the digest over only an explicit user-selected byte range, with an optional exact expected-digest comparison and no repair authority.

Platform
Platform details on page
Processing
Local browser processing
Verified
2026-08-11
Verified

Hex & Binary Tools

CRC-16/CCITT-FALSE Byte-Range Integrity Inspector

Use the existing verified CRC-16/CCITT-FALSE implementation to calculate the digest over only an explicit user-selected byte range, with an optional exact expected-digest comparison and no repair authority.

Platform
Platform details on page
Processing
Local browser processing
Verified
2026-08-11
Verified

Hex & Binary Tools

Adler-32 Byte-Range Integrity Inspector

Use the existing verified Adler-32 implementation to calculate the digest over only an explicit user-selected byte range, with an optional exact expected-digest comparison and no repair authority.

Platform
Platform details on page
Processing
Local browser processing
Verified
2026-08-11
Verified

Hex & Binary Tools

MD5 Byte-Range Integrity Inspector

Use the existing verified MD5 implementation to calculate the digest over only an explicit user-selected byte range, with an optional exact expected-digest comparison and no repair authority.

Platform
Platform details on page
Processing
Local browser processing
Verified
2026-08-11
Verified

Hex & Binary Tools

SHA-256 Byte-Range Integrity Inspector

Use the existing verified SHA-256 implementation to calculate the digest over only an explicit user-selected byte range, with an optional exact expected-digest comparison and no repair authority.

Platform
Platform details on page
Processing
Local browser processing
Verified
2026-08-11
Verified

Hex & Binary Tools

CRC-32/ISO-HDLC Zeroed-Field Integrity Inspector

Use the existing verified CRC-32/ISO-HDLC implementation to calculate the whole-file digest after zeroing only an explicit user-selected range in a temporary analysis copy, with an optional exact expected-digest comparison and no repair authority.

Platform
Platform details on page
Processing
Local browser processing
Verified
2026-08-11
Verified

Hex & Binary Tools

GZip Tool

Compress a selected local file to GZip or decompress a GZip file locally with a hard expanded-output ceiling.

Platform
Platform details on page
Processing
Local browser processing
Verified
2026-08-07
Verified

Hex & Binary Tools

Zlib Tool

Compress or decompress the Zlib Compressed Data Format locally using DEFLATE with the zlib wrapper and checksum.

Platform
Platform details on page
Processing
Local browser processing
Verified
2026-08-07
Verified

Hex & Binary Tools

Raw DEFLATE Tool

Compress or decompress raw DEFLATE streams locally using the browser deflate-raw Compression Streams format.

Platform
Platform details on page
Processing
Local browser processing
Verified
2026-08-07
In development

Hex & Binary Tools

LZ4 Tool

Planned browser-local LZ4 processing page. Phase 19 does not claim an operational LZ4 codec.

Platform
Platform details on page
Processing
Local browser processing
Verified

Hex & Binary Tools

UUID / Windows GUID Byte Order Converter

Convert between canonical UUID text order and the in-memory byte order of the Windows GUID Data1/Data2/Data3/Data4 structure.

Platform
Platform details on page
Processing
Local browser processing
Verified
2026-08-09
Verified

Hex & Binary Tools

MS-DOS Date/Time Converter

Encode or decode the packed 16-bit MS-DOS date and time fields used by formats such as ZIP.

Platform
Platform details on page
Processing
Local browser processing
Verified
2026-08-09
Verified

Hex & Binary Tools

Windows FILETIME Converter

Convert between UTC timestamps and unsigned 64-bit Windows FILETIME ticks.

Platform
Platform details on page
Processing
Local browser processing
Verified
2026-08-09
Verified

Hex & Binary Tools

Checksum & Hash Calculator

Calculate CRC-32, explicit CRC-16 variants, Adler-32, MD5, SHA-1, SHA-256, or SHA-512 for UTF-8 text, hexadecimal bytes, or a selected local file.

Platform
Platform details on page
Processing
Local browser processing
Verified
2026-08-07
Verified

Hex & Binary Tools

CRC-32 Calculator

Calculate CRC-32/ISO-HDLC for text, hexadecimal bytes, or a local file entirely in the browser.

Platform
Platform details on page
Processing
Local browser processing
Verified
2026-08-07
Verified

Hex & Binary Tools

CRC-16 Calculator

Calculate one of four explicitly named CRC-16 variants instead of relying on an ambiguous generic CRC-16 label.

Platform
Platform details on page
Processing
Local browser processing
Verified
2026-08-07
Verified

Hex & Binary Tools

Adler-32 Calculator

Calculate the Adler-32 checksum for text, hexadecimal bytes, or a local file in the browser.

Platform
Platform details on page
Processing
Local browser processing
Verified
2026-08-07

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.