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Format
JSON
Limit
1 MiB total
Runtime
Browser

Apply an RFC 6902 JSON Patch atomically

Apply a sequential JSON Patch to a cloned document with validation enabled.

Local processingNo sign-upNo presets or upload

Apply JSON Patch

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.

Patched JSON document

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

What this tool proves

Explicit, bounded structural semantics

Operations run sequentially against a clone. A failed test or invalid path stops the request and no partially changed document is returned. Prototype-modification paths are rejected.

Validation happens before the result is exposed

Operations run sequentially against a clone. A failed test or invalid path stops the request and no partially changed document is returned. Prototype-modification paths are rejected.

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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