Free Online Tool

CSV Excel Converter

Convert CSV and TSV files to XLSX, or export XLSX sheets to CSV, with browser-side batch processing.

No sign-up Browser processing No app-server storage No input database
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Quick Flow

Workflow

    Service Principles

    Service Principles

    1. Open immediately Use tools without creating an account or signing in.
    2. Browser processing Whenever practical, text and files are processed in the browser instead of through an application server API.
    3. Privacy by default Input text, selected files, recordings, and generated results are not stored in a ko-workspace account database.
    4. Separated ads Advertising areas stay outside the upload, input, conversion, and result controls.