Instant CSV Converter
Transform your data into professional formats instantly. Secure, client-side conversion for XLSX, JSON, and PDF.
Drag & drop a CSV file here, or click to select
CSV to Excel (XLSX)
Perfect for business reports. Converts your flat CSV data into a fully compatible Microsoft Excel file.
CSV to JSON
The developer's choice. Turn spreadsheet rows into clean, structured JSON arrays for your apps.
CSV to PDF
Generate clean, printable tables. Ideal for sharing data in a non-editable, professional document.
Live Search
Quickly filter through large datasets using the global search bar.
Inline Cell Editing
Double Click any cell to update its Content. Perfect for fixing typos
Column Management
Hide irrelevant data fields or reorder columns to focus on what matters. Your view settings stay persistent during your session.
PDF Reporting
Generate clean, professional PDF tables. Ideal for sharing snapshots with non-technical stakeholders.
Excel & JSON Export
Download data in .xlsx or .json. Our engine ensures all nested data are Managed correctly.
Selective Export
Use checkboxes to pick specific rows. Export only the data you need, reducing file size and noise.
Why use our Browser-Based CSV Converter?
Most online converters require you to upload your files to their servers. If you are handling sensitive customer data or private financial records, this is a major security risk. Our Free CSV Converter processes every single byte directly on your machine.
High-Fidelity Conversion
Whether you have comma-separated, tab-separated, or semicolon-delimited files, our tool detects the format automatically and ensures the conversion to XLSX or JSON is flawless.
No File Size Limits
Because we don't use server bandwidth to "receive" your file, you aren't restricted by typical upload limits. Convert large datasets in seconds.
Dealing with JSON data? Use JSON tool.
Working with Excel? Switch to the XLSX Converter.
More than a Converter: A Full Data Workspace
Live Inline Editing
Correct data errors on the fly. Double-click any cell to modify values—from fixing typos, before you generate your final export file.
Column Visibility Control
Don't clutter your CSV or PDF with metadata. Use our column toggles to hide internal IDs, timestamps, or technical fields, ensuring your export is clean and business-ready.
Global Search & Filtering
Instantly find records across massive datasets. Filter by specific keywords and use our selective row checkboxes to export only the data that meets your criteria.
Dynamic Sorting
Click any column header to sort your data alphabetically or numerically. Perfect for organizing reports by date, revenue, or priority before converting to PDF or Excel.
Frequently Asked Questions
How do I convert CSV to JSON for free?
Simply upload your file above. Our tool immediately creates a structured JSON object from your rows, which you can download with one click.
Can I customize the PDF output?
Yes! Use our Viewer or Editor to filter the rows you want before clicking "Export to PDF" to ensure your document only contains the data you need.
Will my data be secure?
Yes. This is a "Zero-Server" tool. Every conversion happens inside your browser tab. We cannot see, store, or share your data because it never reaches us.
Stop Paying for Your Own Data.
Microsoft wants your credit card. Google wants your personal info (force you create an account).
Datadesk wants neither.
Privacy by Design
We don't "trust" servers with your data—we don't use them at all. Using client-side parsing, your files never leave your machine. Your financial reports and client lists stay exactly where they belong: under your control.
Built for Power
Forget "heavy" software. Our virtualized engine handles hundreds of thousands of rows without a single stutter. Inspect hidden columns and multi-sheet workbooks instantly. No lag, no crashes, just data.