local-csv.com Open a CSV
Your data workshop, in the browser

CSV, finally
clear and manageable.

Your CSV is read and converted in browser memory: its contents are never sent to our servers. No account required.

Choose a file See how it works
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Your CSV stays on this device. Only the copy you download leaves browser memory. See how local processing works →

The tool

Drop. Check. Export.

Everything happens here, without leaving this page.

Drop your CSV file here

or choose it from your computer

CSV or TSV · The file never leaves this device
Privacy

Mask before sharing

Detected sensitive values will be replaced in the working copy. You can undo the operation.
Structure check

Compare two CSVs

The open file is the reference. Choose the version received later to find column and type changes.

Reference file——
Truly simple

Three steps.
Zero friction.

  1. 01
    ↥

    Import

    Drop a CSV or TSV. The delimiter and structure are detected automatically.

  2. 02
    ⌘

    Adjust

    Sort, search, correct cells and remove unnecessary data.

  3. 03
    ↧

    Export

    Download a new copy in the format that suits your needs.

Much more than a converter

A small tool.
Big capabilities.

01

Instant preview

Spot shifted columns, incorrect headers and missing data before making changes.

02
⌕

Search & sort

Find a value and sort a column in one click.

03
✦

Quick cleaning

Remove spaces, empty rows and duplicates, with undo.

05

Ten output formats

From spreadsheet to document, leave with exactly what you need.

CSVXLSXPDFJSONHTMLMDXMLTSVSQL
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Your file.
Your rules.

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