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Format
JSON
Limit
1 MiB total
Runtime
Browser

Compare JSON after excluding explicit paths

Exclude known volatile fields before generating a structural patch report.

Local processingNo sign-upNo presets or upload

Compare without ignored paths

Each document is capped at 512 KiB; combined input is capped at 1 MiB.

Tool Swim does not upload, fetch, save, log, or create presets from these values.

Filtered structural diff

The report states the algorithm, semantics, paths, counts, or conflicts used as proof.

What this tool proves

Explicit, bounded structural semantics

Ignored paths are exact JSON Pointers, not wildcards. The same exclusions are applied to both documents before comparison and are listed in the result as proof.

Only exact pointers are excluded

Ignored paths are exact JSON Pointers, not wildcards. The same exclusions are applied to both documents before comparison and are listed in the result as proof.

Each document is capped at 512 KiB, combined input at 1 MiB, traversal at 100,000 values and 100 levels, reports at 10,000 entries, and output at 1 MiB. Source and results stay in the active browser tab.

Parsing and comparison semantics

Inputs use the browser's JSON parser. Duplicate object names therefore keep their last value, object member order is ignored, array order is preserved unless the selected tool explicitly says otherwise, and integers outside JavaScript's safe range are rejected instead of rounded silently.

Primary references

Questions and answers

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