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The CSV Pro

20 free CSV and Excel tools that run entirely in your browser. Convert CSV to JSON, Excel, SQL, XML or Markdown, open and search large files, split, merge and dedupe. Nothing is uploaded and no account is needed, because there is no server.

The CSV Pro is a set of 20 free tools for CSV and Excel files that run entirely in the browser. There is no backend: the file is parsed by JavaScript on your own machine, so nothing is uploaded, nothing is stored, and no account is required. You can open the network tab and watch it stay empty.

Converters: CSV to JSON, Excel, SQL, XML and Markdown, plus the reverse direction for each, Excel to CSV, JSON, SQL and HTML, HTML tables to CSV, and plain text to CSV.

Utilities: a viewer that opens large files with search, sorting and paging, plus split, merge, deduplicate and a delimiter converter for the semicolon files European Excel produces.

All 20 tools share one parser written to RFC 4180, which is what separates them from a quick homemade script. Quoted fields, commas inside quotes, line breaks inside cells, byte order marks and mixed delimiters are handled instead of silently corrupting a row.

Free, no sign-up, no watermark and no file size limit imposed by a server, because there is no server.

A startup from Argentina.

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The CSV Pro Reviews and Details

This page is designed to help you find out whether The CSV Pro is good and if it is the right choice for you.

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CSV to JSON, parsed in the browser //
2026-08-28

Features & Specs

CSV-Focused Functionality

The tool is specifically designed for working with CSV files, which can make it more streamlined and efficient for tasks involving CSV data manipulation, viewing, and editing compared to general-purpose spreadsheet software.
Simplicity

Being focused on a single file format, the interface and feature set are likely simpler and more intuitive for users who specifically need CSV handling without the complexity of full spreadsheet applications.
Potential for Fast Performance

Specialized tools for a single file type often load and process files faster than general-purpose applications, especially for large CSV datasets, since they don't need to support multiple formats.
Targeted Feature Set

Features are likely tailored specifically to common CSV pain points like delimiter detection, encoding issues, and formatting inconsistencies that general tools might handle less gracefully.
Accessibility

As a web-based tool, it likely offers easy access from any device with a browser without requiring software installation, making it convenient for quick CSV tasks.

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Public traffic stats of The CSV Pro

Check the traffic stats of The CSV Pro on SimilarWeb. The key metrics to look for are: monthly visits, average visit duration, pages per visit, and traffic by country. Moreoever, check the traffic sources. For example "Direct" traffic is a good sign.
Domain Rating (DR)

Check the "Domain Rating" of The CSV Pro on Ahrefs. The domain rating is a measure of the strength of a website's backlink profile on a scale from 0 to 100. It shows the strength of The CSV Pro's backlink profile compared to the other websites. In most cases a domain rating of 60+ is considered good and 70+ is considered very good.
Domain Authority (DA)

Check the "Domain Authority" of The CSV Pro on MOZ. A website's domain authority (DA) is a search engine ranking score that predicts how well a website will rank on search engine result pages (SERPs). It is based on a 100-point logarithmic scale, with higher scores corresponding to a greater likelihood of ranking. This is another useful metric to check if a website is good.
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The CSV Pro discussion

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Is The CSV Pro good? This is an informative page that will help you find out. Moreover, you can review and discuss The CSV Pro here. The primary details have been verified within the last quarter. So they could be considered up to date. If you think we are missing something, please use the means on this page to comment or suggest changes. All reviews and comments are highly encouranged and appreciated as they help everyone in the community to make an informed choice. Please always be kind and objective when evaluating a product and sharing your opinion.

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