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locacsv.comOpen and inspect a CSV without uploading it

Inspect a CSV

Open and inspect a CSV without uploading it

Browse every row and column of a CSV up to 50 MiB in your browser, 100 rows at a time, and check its text encoding, separator, BOM, and column count.

How to useSpecifications & limits

CSV processing stays in your browser

Your files are not uploaded to a server.

File selection

CSV data, file names, headers, and cell values are not sent outside your browser.

Drag and drop a CSV file here

1 CSV file, up to 50 MiB

Input encoding

CSV data, file names, headers, and cell values are not sent outside your browser.

What you can check in a large CSV

  • 1Browse all rows in 100-row pages and all columns in 50-column pages.
  • 2Auto-detect UTF-8 or Shift_JIS, or choose from seven encodings and four separators.
  • 3Long cells are shortened only on screen; full-file counts still use the complete values.

How to inspect a CSV

  1. 1Choose one CSV up to 50 MiB. It never leaves your device.
  2. 2Confirm or change its text encoding and separator.
  3. 3Move through the rows and columns, then open the next tool that fits the issue.

Continue with the right task

Convert garbled text, split an oversized file, or repair rows with the wrong number of columns.

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