Convert XLSX to JSON

Turn a spreadsheet into JSON for use in code and APIs.

Geen aanmelding vereistBestanden blijven privé

Sleep bestanden hierheen of klik om te bladeren

XLSX, XLS, CSV, ODS geen bestandsgroottelimiet

Bestanden bladeren

Jouw bestanden verlaten nooit je apparaat. Alle verwerking vindt lokaal in je browser plaats.

Open .xlsx, .xls, .csv, or .ods spreadsheets without Excel or Google Sheets. The file is parsed entirely in your browser.

JSON tips

🧱

The JSON export uses the first row as keys, producing an array of objects per row.

👩‍💻

Handy for seeding a database or loading reference data into an app from a spreadsheet.

🗂️

Switch sheets and export each one as needed.

🔒

Everything is processed in your browser.

Bestand kiezen

Drop your file into the tool above. It stays entirely on your device — nothing is sent to any server.

Verwerken

The tool processes your data instantly in your browser using JavaScript. No server, no waiting.

Downloaden

Get your result instantly. Nothing is stored after you leave the page — complete privacy.

✓Volledig gratis — geen verborgen kosten, ooit

✓Geen account, e-mail of aanmelding vereist

✓Bestanden verlaten nooit je apparaat

✓Absoluut geen bestandsgroottelimieten

✓Geen watermerken op uitvoer

Open an XLSX Without Excel

Quickly peek inside a spreadsheet without buying E

Convert XLSX to CSV

Open an Excel file and export a sheet as clean CSV

Safely Inspect an Unknown Spreadsheet

View a spreadsheet from an untrusted source withou

View a Spreadsheet on Your Phone

Open an Excel attachment on mobile without install