Online Data Converters
Free online tools to convert between JSON, CSV, XML and YAML data formats — all running locally in your browser with no data sent to any server.
Convert JSON arrays to CSV and download as a .csv file for Excel or Google Sheets. Flattens nested objects and supports custom delimiters.
Convert CSV files and spreadsheet exports to JSON. Auto-detects delimiters, supports headers, outputs as array of objects or keyed by column.
Convert JSON to XML online — handles nested objects, arrays and custom root elements. Ideal for SOAP APIs and data interchange formats.
Convert JSON to YAML or YAML to JSON instantly. Ideal for Kubernetes configs, Docker Compose files and CI/CD pipelines.
About These Converters
Modern development requires working across many data formats. APIs often return JSON but systems like Excel, legacy enterprise services and infrastructure tools like Kubernetes expect CSV, XML or YAML. These converters let you switch between formats instantly without writing any code.
All conversions happen entirely in your browser — no file uploads, no server processing, no data retention. Safe to use with production data and sensitive payloads.
Frequently Asked Questions
Can I convert JSON to CSV for use in Excel?
Yes. The JSON to CSV converter outputs a standard .csv file you can download and open directly in Excel or Google Sheets. Nested objects are automatically flattened into columns.
How do I convert a CSV export from a database to JSON?
Use the CSV to JSON tool — paste your CSV or upload a file, choose whether the first row is a header, and get a JSON array of objects instantly.
Is JSON to YAML conversion useful for Kubernetes?
Yes. Most Kubernetes documentation shows examples in YAML but tools like Helm and Kustomize sometimes work with JSON. The bidirectional JSON/YAML converter lets you switch between formats instantly.
What is JSON to XML useful for?
JSON to XML is commonly needed when integrating with SOAP-based APIs, legacy enterprise systems, or any service that only accepts XML payloads.
Do these converters work with large files?
Yes, all conversions run in the browser using JavaScript so there is no file size limit imposed by a server. Very large files may take a moment depending on your device.