Data Tools

QR Code Generator

Generate free QR codes for URLs, plain text, WiFi networks, and contact cards (vCard). Download as PNG, no sign-up, no expiry.

CSV to JSON Converter

Convert CSV to JSON or JSON to CSV instantly in your browser. Handles quoted fields, commas, and headers correctly. Free, no upload.

XLSX to CSV Converter

Convert Excel (XLSX) spreadsheets to CSV or CSV to XLSX, free and instantly in your browser. Supports multi-sheet workbooks. No upload.

JSON to YAML Converter

Convert JSON to YAML or YAML to JSON instantly in your browser. Supports nested config, multi-document YAML, and indentation control. No upload.

CSV to SQL INSERT Statement Generator

Convert CSV data into ready-to-run SQL INSERT statements for MySQL, PostgreSQL, SQLite, or ANSI SQL. Optional CREATE TABLE with type inference. Free, no upload.

ISBN Validator & Format Converter

Check if an ISBN-10 or ISBN-13 is valid and convert between formats instantly in your browser. Free checksum validator for books, no lookup required.

UTM Campaign URL Builder

Build UTM-tagged campaign URLs for Google Analytics. Add utm_source, utm_medium, utm_campaign, utm_term & utm_content with live preview, free and instant.

CSS Cubic-Bezier Easing Curve Generator

Drag control points on a live curve to design a CSS cubic-bezier() timing function, preview the animation, and copy the ready-to-use CSS. Free, no upload.

CSS Clip-Path Generator

Drag points on a live preview to build a CSS clip-path shape (polygon, circle, ellipse, inset), then copy the ready-to-use CSS. Free, no upload.