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Guides Pricing

● CSV · 6 tools

CSV Tools Online

Compare, convert and clean CSV files online for free — CSV to JSON, SQL, Markdown and XML, plus diffing and deduplication. Everything runs in your browser with no uploads.

6 free tools free forever runs in browser

CSV → JSON open full tool →

name,role Ada,engineer Bo,designer

RESULT ✓

[
  { "name": "Ada", "role": "engineer" },
  { "name": "Bo", "role": "designer" }
]

↳ act on the page: the flagship tool is one paste away — no second click to get value.

What do you want to do?

Turn a CSV into JSON CSV to JSON → Diff two exports CSV Diff → Remove duplicate rows CSV Deduplicator → Generate an INSERT script CSV to SQL →

Most used

start here

Convert CSV files to JSON format online for free. Transform spre...

Compare two CSV files and find differences. Highlight added, rem...

C CSV Deduplicator

Remove duplicate rows from CSV files online for free. Find and e...

All CSV tools

3 more

CSV to SQL CSV to Markdown CSV to XML

Convert, compare or clean — which CSV tool?

TOOL USE WHEN RESULT

CSV to JSON Feeding data into an app or API Structured JSON

CSV Diff Two versions of the same export Added / removed / changed rows

CSV Deduplicator The file has repeated rows Unique rows only

CSV guides

How to compare two CSV files

CSV tools FAQ

SnapTools includes CSV Diff (compare two CSV files), CSV to JSON, CSV to SQL, CSV to Markdown, CSV to XML, and CSV Deduplicator (find and remove duplicate rows).

It auto-detects comma, semicolon, tab and pipe delimiters, and you can set the delimiter manually for non-standard separators.

Yes. All CSV tools handle files with or without header rows; converters use column headers as object keys (JSON) or element names (XML).

No. CSV tools parse your file entirely in the browser — nothing is sent to a server.

Related categories

JSON · 15 Format, validate, diff & convert JSON. Converters · 38 Bases, time, colour & units. Formatters · 8 Pretty-print SQL, HTML, CSS, XML.

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