No. Bracely runs entirely in your browser, so nothing you paste or open leaves your device.

Edge-case test data

Input

Output

Edge-Case Test Data Generator

Turn one good payload into test payloads that try to break your code: each field missing, null, empty, the wrong type, very long, at number limits, or full of tricky text like emoji, quotes and script tags.

How to use it

Paste one valid payload.
Pick which kinds of cases to make.
Copy the labelled cases or the payloads into your tests.

What it does

Missing, null, empty and wrong-type fields
Long strings and number limits
Tricky text: emoji, quotes, script tags

Questions

Is my data uploaded?: No. Bracely runs entirely in your browser, so nothing you paste or open leaves your device.

More JSON tools

Bracely has more than 60 JSON tools in one page. Related ones:

JSON Schema Generator
Mock JSON generator
UUID generator
JSON hash
JSON Schema builder
JSON Schema validator
JSON data dictionary
JSON Formatter
JSON Validator
JSON Viewer
JSON Repair
JSON Diff
JSON to YAML
JSON to CSV
jq Playground

Runs entirely in your browser. Nothing you paste is uploaded. Privacy policy