About 4utils

4utils is a collection of free online utility tools — generators, validators, calculators, converters and content tools — that run entirely in your browser. No file ever leaves your computer; no signup is required.

Our mission

Make everyday digital tasks faster, safer and easier. We focus on tools you actually use — compressing a PDF before sending an email, generating a strong password, validating a document number, converting an image format. Things that should take seconds, not minutes.

Why client-side?

Every tool on 4utils runs locally in your browser. We don't upload your files, we don't read your data, we don't send anything to a server. This is faster (no upload time) and safer (no privacy risk). The browser is powerful enough today; we just put it to work.

Languages

We started in Portuguese (BR) and are gradually rolling out English versions. The Brazilian site (4utils.com.br) hosts the full PT-BR catalog; the English site (4utils.com) ships its growing roster of universal tools.

Contact

Have feedback or want to suggest a tool? Reach out via our contact page.