JSONViewerTool is a fast, browser-based collection of 60+ developer tools for working with
JSON, YAML, CSV, XML, JWT, Base64, UUID, and more.
π Built for developers, DevOps, testers, and data engineers
π 100% client-side (no uploads, no tracking)
β‘ Instant results β’ No signup required
π Website: https://jsonviewertool.com
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JSON Viewer β Visualize JSON in a collapsible tree
https://jsonviewertool.com/json-viewer -
JSON Formatter β Beautify & pretty-print JSON
https://jsonviewertool.com/json-formatter -
JSON Validator β Find syntax errors with line numbers
https://jsonviewertool.com/json-validator -
JSON Minifier β Compress JSON for production
https://jsonviewertool.com/json-minifier -
JSON Compare β Diff two JSON objects
https://jsonviewertool.com/json-compare
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YAML β JSON β Debug Kubernetes & CI configs
https://jsonviewertool.com/yaml-to-json -
JSON β YAML β Convert JSON configs to YAML
https://jsonviewertool.com/json-to-yaml -
JSON β CSV β Export API data to Excel
https://jsonviewertool.com/json-to-csv -
CSV β JSON β Convert spreadsheets to JSON
https://jsonviewertool.com/csv-to-json -
JSON β XML β Integrate with legacy systems
https://jsonviewertool.com/json-to-xml -
XML β JSON β Convert SOAP/XML to JSON
https://jsonviewertool.com/xml-to-json -
JSON β Excel β One-click .xlsx export
https://jsonviewertool.com/json-to-excel
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JSON Merge β Merge multiple JSON objects
https://jsonviewertool.com/json-merge -
JSON Flatten / Unflatten β Handle deeply nested JSON
https://jsonviewertool.com/json-flatten -
JSONPath / JMESPath β Query JSON like SQL
https://jsonviewertool.com/json-path -
JSON Schema Validator β Validate JSON using schema
https://jsonviewertool.com/json-schema-validator -
JSON Sample Generator β Generate mock JSON data
https://jsonviewertool.com/json-sample-generator -
JSON Size Analyzer β Measure payload size
https://jsonviewertool.com/json-size-analyzer
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JWT Decoder β Decode JWT tokens instantly
https://jsonviewertool.com/jwt-decoder -
Base64 Encoder β Encode text/files to Base64
https://jsonviewertool.com/base64-encoder -
Base64 Decoder β Decode Base64 data
https://jsonviewertool.com/base64-decoder -
UUID Generator β Generate RFC-compliant UUIDs
https://jsonviewertool.com/uuid-generator
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JSON Escape / Unescape β Escape strings safely
https://jsonviewertool.com/json-escape -
Compare Clips (Text Diff) β Compare any text
https://jsonviewertool.com/compare-clips
- Runs entirely in your browser
- No data sent to servers
- Designed for speed, privacy, and developer productivity
π Explore all tools: https://jsonviewertool.com
π¬ Feedback, issues, and feature requests are welcome!
https://dev.to/jsonviewertool/how-i-built-a-fast-client-side-json-viewer-for-developers-32md