Developer
Format JSON, HTML, CSS, JavaScript and SQL, compare structures, apply JSON patches and validate NDJSON. Inspect code and data without executing your source.
Explore tools
JSON structure redactor
Replace all JSON scalar values or explicit object keys with a mask while retaining the document structure and a value-free path report.
Exact unified diff applier
Apply one text-file unified diff at its declared lines with exact context and explicit line-ending handling.
Markdown frontmatter extractor
Separate supported JSON or YAML frontmatter from Markdown and verify that the remaining body bytes stay unchanged.
EditorConfig path inspector
Resolve declared properties for explicit paths under one EditorConfig file and trace section order, overrides and unset.
npm lock declared-copy inventory
Inspect package-lock v2/v3 installation declarations and separate repeated names, aliases, links, workspaces and unknown versions.
Gitignore path inspector
Test supplied paths under one root Gitignore file and trace the final matching rule and excluded parent directory.
SemVer range version selector
Check strict supplied versions against an npm SemVer range, sort by precedence and find the highest matching version.
Source map stack mapper
Map explicit generated stack frames or coordinates through an ordinary v3 source map, preserving unmapped frames and column bases.
WASM import and export inspector
List a local core WebAssembly module’s import/export descriptors without instantiating it or running its start function.
Structured PO catalog converter
Convert UTF-8 gettext PO and structured JSON while preserving context, plural indices, headers, comments, previous values and obsolete entries.
Platform translation placeholder checker
Compare Android Java Formatter or Apple NSString placeholder signatures across paired strings, including argument order, types and formatting changes.
Offline JSON-LD expander and compactor
Expand or compact JSON-LD 1.1 with inline contexts and a supplied local URL-to-context map, without fetching remote documents.
Schema-bound Protobuf message decoder
Inspect binary Protobuf with a supplied standalone proto2/proto3 schema and explicit message type, including 64-bit integers, field presence and unknown wire records.
Avro writer/reader schema compatibility
Check both resolution directions between local Avro JSON schemas, including promotion, aliases, defaults and incompatible results.
LCOV offline coverage report
Read one local LCOV 1.x tracefile, recompute coverage totals, retain unknown branches and download a complete offline HTML report.
Intel HEX address merger
Merge local Intel HEX 00–05 files by sparse 32-bit addresses, checking record checksums, overlaps and entry-point conflicts before output.
Notebook output cleaner and source recovery
Remove outputs and execution counts from a local nbformat 4 notebook while preserving cell source, attachments and precise metadata numbers.
JUnit offline test report
Read local JUnit XML results, distinguish testcase outcomes from declared counters and download every failure and log in an offline report.
CycloneDX dependency-reference audit
Audit local CycloneDX 1.6 bom-ref declarations and dependency edges, showing duplicates, dangling references, external URNs and unambiguous cycles.
GEDCOM references and ancestry audit
Inspect UTF-8 GEDCOM 5.5.1 family/person references, reciprocity and declared ancestry SCCs with original lines and pedigree classifications.
SARIF rules and locations report
Read local SARIF 2.1.0 runs, resolve rules, artifact indices and directory URI bases, preserving unlocated results, unknown states and complete original results.
Wheel archive and RECORD audit
Compare a local wheel filename, metadata, tags and every RECORD hash/size, distinguishing integrity failures, unsupported hashes and unverified signatures.
Torrent metainfo identity and layout
Derive the original v1 info-hash, declared file offsets and inclusive piece ranges from a local .torrent, then save the complete layout and a local magnet string.
Helm release Secret inspector
Decode a local Helm3 release Secret, preserve the exact release and manifest, and compare raw JSON field spans with decoded chart file sizes and hashes.