Tool category

Machining & CNC Calculators

G-code travel-limit and work-envelope checks, coordinate, GD&T inspection, Grbl and LinuxCNC configuration, circular-arc, change-gear, layout, and code-planning tools for machining and CNC setup tasks. Free, browser-based, and no account required.

Available tools

Machining & CNC

G-code Travel-Limit Checker

Check CNC G-code against machine soft limits, work offsets, tool lengths and keep-out boxes locally; find rapids below safe Z, per-tool extents, and every violating line on a path view.

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Machining & CNC

SQLite Rollback Journal Inspector

Audit SQLite rollback-journal headers, sector alignment, original-page records, sparse checksums, duplicate pages, tails, and an optional matching database locally.

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Machining & CNC

SQLite SHM Inspector

Audit SQLite -shm header copies, native-order checksums, checkpoint counters, frame-to-page mappings, hash pointers, and an optional matching WAL locally.

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Machining & CNC

SQLite WAL Inspector

Verify SQLite WAL headers, salts, cumulative checksums, frame boundaries, commit markers, recovery-valid prefixes, page histories, and an optional database header locally.

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Machining & CNC

Binary Plist Structure Inspector

Audit bplist00 trailers, offset and object tables, typed records, container references, shared values, cycles, unreachable objects, and byte ranges locally.

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Machining & CNC

OLE/CFB Structure Inspector

Audit OLE compound-file headers, FAT, DIFAT, MiniFAT, directory trees, stream chains, shared sectors, unreachable entries, and orphan allocation locally.

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Machining & CNC

QuickBooks IIF Inspector

Audit IIF headers, transaction blocks, amount balance, dates, duplicate signatures, source lines, and accounting references locally before a QuickBooks Desktop import.

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Machining & CNC

MARC 21 Record Inspector

Audit binary MARC record boundaries, Leaders, Directories, fields, encodings, tags, indicators, subfields, and duplicate control numbers locally.

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Machining & CNC

EBCDIC File Inspector

Compare CP037, CP500, CP1047, and CP1140 locally; inspect hex and decoded bytes, test record widths, and export strict conversions.

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Machining & CNC

COBOL Copybook Layout Inspector

Calculate PIC, USAGE, OCCURS, and REDEFINES byte positions, then inspect EBCDIC, COMP-3, binary, and floating-point record fields locally.

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