FormatForge Collections
Convert data between JSON, CSV, Excel and YAML formats online. This collection includes free tools for JSON to Excel, Excel to JSON, CSV to JSON, JSON to CSV, YAML to JSON and JSON to YAML conversion.
Convert JSON data into Excel XLSX format with nested JSON, arrays and multi-sheet export support.
JSON to Excel, JSON to XLSX, nested JSON to Excel
Convert Excel XLSX spreadsheets into structured JSON with nested object and array support using dot notation.
Excel to JSON, XLSX to JSON, nested Excel to JSON
Convert CSV files or pasted CSV text into clean JSON arrays for APIs, apps and databases.
CSV to JSON, CSV parser, CSV to JSON array
Convert JSON arrays and API responses into Excel-ready CSV with nested object flattening support.
JSON to CSV, JSON array to CSV, API JSON to CSV
Convert YAML configuration files into JSON for DevOps, Kubernetes, Docker Compose and app workflows.
YAML to JSON, Kubernetes YAML to JSON, DevOps YAML
Convert JSON data into YAML for Kubernetes, Docker Compose, CI/CD pipelines and DevOps configuration.
JSON to YAML, JSON YAML converter, YAML generator
Developers, analysts and business users often need to move data between formats. API responses are usually JSON, spreadsheets are commonly Excel or CSV, and DevOps configuration files are often YAML. FormatForge data conversion tools help convert between these formats quickly in the browser.
Convert JSON to Excel for reporting, audits and business analysis. You can also convert Excel to JSON for API payload generation, database imports, application configuration and structured data workflows.
CSV files are common in exports from databases, spreadsheets and business software. Convert CSV to JSON for applications and APIs, or convert JSON to CSV for Excel, Google Sheets and reporting tools.
YAML is widely used in Kubernetes, Docker Compose, GitHub Actions, Azure DevOps, Helm and Ansible. Convert YAML to JSON for structured inspection, or convert JSON to YAML for DevOps configuration files.
Data conversion tools help transform data from one format to another, such as JSON to Excel, Excel to JSON, CSV to JSON, JSON to CSV, YAML to JSON and JSON to YAML.
Yes. FormatForge provides a free JSON to Excel converter with support for nested JSON, arrays and multi-sheet export.
Yes. FormatForge Excel to JSON supports nested objects and arrays using dot notation columns such as customer.name and orders.0.product.
Yes. CSV files and pasted CSV text can be converted into JSON arrays online.
Yes. FormatForge includes YAML to JSON and JSON to YAML converters for DevOps and application configuration workflows.
Yes. FormatForge data conversion tools are free to use online.
Most FormatForge conversion tools process data locally in your browser and do not upload pasted content to a server.
Choose with confidence
Start with the outcome you need, use the smallest suitable tool, and verify the downloaded or copied result before relying on it. The guidance below helps turn individual utilities into a reliable workflow.
Start here
Inspect headers, nested objects and data types before conversion.
Open recommended tool →Use Excel for review, CSV for flat exchange and JSON for structured applications.
Open recommended tool →Reopen the output and compare counts, columns and representative values.
Before you finish
Recommended workflows
Continue your workflow
