Free tools, no sign-up, nothing leaves your browser.
Small tools we built for ourselves and left open. Each one is a taste of a Centilio tool: the invoice generator of Bill, the password generator of Vault, the PDF tools of Sign.
6 tools
Word counter
Count words, characters, sentences and reading time instantly. Free, private, runs in your browser.
Free · no sign-up · in your browserPassword generator
Generate strong, random passwords in your browser. Nothing is sent anywhere. From the makers of Centilio Vault.
Free · no sign-up · in your browserQR code generator
Free QR code generator for links, text and contact details. Download as PNG at print size. No sign-up, no watermark.
Free · no sign-up · in your browserUTM builder
Build UTM-tagged campaign links correctly, every time. Free UTM generator with presets for email, social and ads.
Free · no sign-up · in your browserInvoice generator
Free invoice generator with GST and tax fields. Fill, preview and download a PDF invoice in your browser. No account needed.
Free · no sign-up · in your browserMerge PDF
Merge PDF files in your browser, free. Files never leave your device. From the makers of Centilio Sign.
Free · no sign-up · in your browserFiles, text and passwords are processed on your device without uploading them. Utility code is served with this website; nothing is saved for your next visit.
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