Upload your CSV file using the tool above, choose your delimiter and indentation style, then click Run. Your JSON file downloads automatically — no sign-up or account required.
Yes. The tool auto-detects tab-separated values (TSV) files, or you can select 'Tab (TSV)' from the delimiter dropdown to set it manually.
The free tier supports CSV files up to 10MB and 100,000 rows. This covers the vast majority of real-world datasets.
No. Your file is processed in memory and deleted immediately after conversion. Nothing is stored on Nix servers.