JSON tools
Free JSON tools online
JSON processing tools.
BSON to JSON
Decode BSON documents into MongoDB Extended JSON.
Random BSON Generator
Generate random BSON documents as a downloadable .bson file.
Filter JSON
Keep the array items whose field matches a rule.
Group a JSON Array
Group array items into an object keyed by a field.
Merge JSON Arrays
Concatenate two JSON arrays (optionally de-duplicated). Separate them with ---.
Merge JSON Objects
Merge two JSON objects. Separate them with ---.
Compare JSON Documents
Show added, removed and changed paths. Separate the documents with ---.
Find JSON Keys and Values
Locate keys or values matching a query, with their paths.
Split a String to a JSON Array
Split text on a separator into a JSON array.
Double-Quote JSON
Normalise single quotes and unquoted keys into strict JSON.
Fix Broken JSON
Repair comments, trailing commas, smart quotes and unquoted keys.
Damage JSON
Introduce one documented corruption to test parsers and formatters.
Generate Fake JSON
Generate a plausible fake dataset (fakeson).
Highlight JSON Syntax
Render JSON as HTML with syntax highlighting classes.
Visualize JSON
Render JSON as an indented tree with box-drawing characters.
Run jq
Query JSON with a documented jq subset: .key, .a.b, .[0], .a[0], keys, values, length, type, first, last, |.
List to XML
Wrap list items in an XML document.
XML to List
Extract the text of XML elements into a list.
Random XML Generator
Generate a random XML document.
List to YAML
Render list items as a YAML sequence.
YAML to List
Read a YAML sequence back into a list.
Random YAML Generator
Generate a random YAML document.
Create JSON Art
Draw a JSON document as a framed bar picture.
About JSON tools
- Tools in this category
- 47
- Accepted input types
- json, list, text, none, xml, yaml
- Where it runs
- in your browser