About UtilNexo

Processing may be local, server-based or involve an external provider. Each tool page explains its mode, known limits and retention conditions.

Our Mission

We believe useful software tools should be free, transparent, and accessible to everyone. UtilNexo offers a clean experience for common data tasks, with clear privacy: each tool states whether it runs in the browser or temporarily on a server.

Our story

UtilNexo was born from a common frustration: most useful online tools require sign-up, collect unnecessary data, or push aggressive ads. We wanted a simple alternative where anyone could solve a data task in seconds, without barriers.

We started with a handful of essential utilities — formatting JSON, validating CPF, generating passwords — and grew organically by listening to what users actually needed. Today the collection brings together dozens of tools organized by category, from base converters to PDF processors.

Our commitment remains the same: free, transparent, and fast tools. Every page clearly states whether processing happens in your browser or temporarily on a server, so you always know exactly what happens to your data.

What you'll find here

The UtilNexo collection is organized into categories to make navigation easier. Here are the main groups:

Converters

Transform data between formats: binary, decimal, hexadecimal, RGB, text, slug, JSON, YAML and more.

Calculators

Solve percentages, discounts, BMI, simple and compound interest, rule of three and other everyday math.

Validators

Check CPF, CNPJ, email, URL, IP, postal code, domain, password and UUID with instant in-browser validations.

Generators

Create strong passwords, UUIDs, QR Codes, dummy data and identifiers for development testing.

Developer tools

Format and validate JSON, XML, SQL, HTML and CSS, generate hashes and work with Unix timestamps.

PDF tools

Merge, split, compress and convert PDF documents, with local and temporary server processing options.