Skip to content
tools

Everyday online tools

Free and ad-free. Whatever can be computed in your browser stays in your browser.

new Network

Email DNS check

Advanced check of a domain's mail DNS: MX, SPF, DKIM, DMARC, MTA-STS, BIMI, DANE and blacklists.

SPF lookup counting, include tree and a clear list of what to fix.

open tool
new Security

Encrypted file sharing

Send files and secrets encrypted in your browser. The link works only once, then everything is deleted.

Free account required: ideal for passwords, API keys and confidential documents.

open tool
Privacy

Open source alternatives

The free, transparent programs I use and recommend instead of Big Tech apps.

Messaging, email, browsers and Linux distributions: all free.

open page
Network

Public IP

Shows your public IP and basic network info at a glance.

Handy for troubleshooting VPNs, NAT, firewalls and reachability tests.

open tool
Network

Domain whois

Public information about an internet domain: registrar, expiry date, name servers.

Quick lookups with no ads or hidden fees.

open tool
Security

Password generator

Generate strong passwords right in your browser, with nothing sent over the network.

Perfect when you need an untraceable password in a hurry.

open tool
Utility

QR code generator

Turn links, text and contacts into QR codes ready to print or share.

Ideal for flyers, business cards, slides and landing pages.

open tool
Development

Binary converter

Convert between binary, decimal and hexadecimal, built for quick debugging.

Useful for flags, registers, addresses and low-level values.

open tool
Utility

Keyboard test (Italian layout)

Virtual keyboard to check that your physical one works.

Useful for keys that stick or are not detected.

open tool

Need a custom tool?

Got a script or utility in mind that would make your day easier? Describe the workflow: automation, converter, viewer or anything else.

Write to me