Santekno/tools
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CSV Viewer & Converter

View CSV data as a table, validate, and convert to JSON instantly.

Processed in your browserUpdated · Jan 2026
Input
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Output
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How to use CSV Viewer & Converter

Paste your input on the left, choose the options you want, and the output appears instantly on the right. Everything runs in your browser — none of your data is sent to a server.

  • Paste or type your input in the INPUT panel
  • The output regenerates automatically as you type
  • Use Copy to put the result in your clipboard
  • Click Sample to load a working example

What is CSV Viewer & Converter?

Paste CSV (or TSV) data and instantly see it as a clean table or structured JSON. Auto-detects delimiter (comma, tab, semicolon, pipe), handles quoted fields, and respects RFC 4180 escaping. Works fully in your browser — no upload needed. This tool is part of santekno's developer toolbox — a curated collection of utilities built for engineers who care about speed, privacy, and simplicity.

Common use cases

  • Debugging API payloads and integration issues
  • Inspecting tokens, hashes, or encoded strings during development
  • Generating fixtures and sample data for tests
  • Sharing readable output with teammates in code reviews

FAQ

Yes — comma, tab, semicolon, and pipe are auto-detected based on the first line.