CSV to Excel Converter - XLS, XLSX, JSON, PDF

by Convert.Rocks · convert.rocks · Tools

Established publisherManifest V3 Free

View in Chrome Web Store Data as of 18 Oct 2026

Convert CSV files to Excel (XLSX, XLS), JSON, PDF & more. Free offline converter that works in your browser - no data upload needed.

Users

105

+10 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#83K

#70K among extensions

Version

1.0

updated 5 Jul 2025

Users

monthly, 16 months

Latest, 18 Oct 2026: 105 usersMove the mouse over the chart for any month

Ratings count

monthly, 16 months

Latest, 18 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About CSV to Excel Converter - XLS, XLSX, JSON, PDF

Convert CSV to XLS, XLSX, ODS, or HTML — Securely in Your Browser Looking for a fast, private way to convert CSV files? This Chrome extension helps you convert CSV to XLS, XLSX, ODS, and even HTML with zero server uploads. Whether you're a business user, student, or developer, this tool transforms your files instantly and offline — right inside your browser. ✅ Convert CSV to XLS (Legacy Excel) ✅ Convert CSV to XLSX (Modern Excel) ✅ Convert CSV to ODS (OpenDocument Spreadsheet) ✅ Convert CSV to HTML table Why Choose This Converter? 🔐 100% Private — No uploads, no tracking, no login 🚀 Offline & Fast — Works instantly in your browser after install 🧠 Smart UI — Drag and drop, clear feedback, file rename automation 🌍 Multilingual — 14 languages including RTL support for Arabic & Hebrew 🦾 Fully Accessible — Keyboard navigation & screen reader ready 💾 Lightweight — Minimal footprint, built with SheetJS & Manifest V3 Perfect for: Users who want to convert CSV to Excel (XLS or XLSX) without Excel Working with sensitive data without internet Chrome users on Windows, macOS, Linux — no OS limitations No file size limits (browser memory only), no signup, and full offline mode make it the best CSV to spreadsheet converter for your daily workflow.