Free, privacy-first browser tools

Every tool below runs entirely in your browser. Your files are never uploaded, never stored, and never leave your device.

Every tool here is free to use, with no signup.

• Barcode Label GeneratorGenerate Code 128, EAN-13, UPC-A, and Code 39 barcodes as a printable PDF label sheet.
• Invoice Payment Reminder GeneratorGenerate a professional payment reminder letter for an overdue invoice.
  vs QuickBooks
• Image To WebP Converter FirstConvert PNG, JPG, and other images to WebP, with optional resize and quality control.
• SVG To Icon Font ConverterBundle a set of SVG icons into a downloadable icon font (TTF + CSS).
• JSON Formatter ValidatorFormat, validate, and minify JSON with syntax highlighting.
• PDF Merge