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Charmrai

Convert CSV to JSON, remove headers or select columns, and add Unix timestamp to each row.

Try Charmrai free
  • Free plan available
  • No credit card

What is Charmrai?

Charmrai is a straightforward CSV to JSON converter designed for developers and data analysts who need to transform tabular data into JSON format. The tool offers practical options to customise your output: you can remove headers, select specific columns, and automatically add Unix timestamps to each row. This is particularly useful when you're preparing data for APIs, databases, or applications that require JSON input with time-based tracking. The freemium model means you can try basic conversions without cost, making it accessible for small projects and testing before committing to paid features.

Key features

CSV to JSON conversion

transforms comma-separated values into properly formatted JSON objects

Header removal

strip out header rows if your JSON output doesn't need column labels

Column selection

choose which columns to include in the JSON output rather than converting everything

Unix timestamp addition

automatically adds a Unix timestamp to each row, useful for tracking when data was processed or ingested

Freemium access

convert data without payment for basic use cases

Pros & cons

Advantages

  • Simple, focused tool that does one job well without unnecessary features
  • Column selection saves time when working with large CSV files where you only need specific fields
  • Automatic timestamp addition removes a manual step in data preparation workflows
  • Free tier allows testing and small-scale conversions at no cost

Limitations

  • Limited to CSV input format; doesn't handle other common data formats like Excel or TSV
  • No batch processing or bulk file conversion mentioned, so handling multiple files requires individual uploads
  • Unclear what restrictions or limitations apply to the free tier versus paid tiers

Use cases

Preparing CSV exports from spreadsheets for API endpoints that require JSON input

Adding processing timestamps to datasets before importing into databases

Filtering unwanted columns from CSV files during data transformation pipelines

Converting customer or product data exports into JSON format for application configuration

Testing and validating data format changes before committing to larger conversion tools

Ready to try Charmrai?

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Pricing

Free

Free

Basic CSV to JSON conversion with standard options

Get started with Charmrai

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Try Charmrai free
  • Free plan available
  • No credit card