Zaruni Tools
Free tools that run in your browser.
Four web tools built to solve everyday problems instantly — write and preview code, generate usernames, format and convert data, or create strong passwords. No install, no account, just open and use.
Browser IDE
Write and run HTML, CSS and JavaScript in your browser.
A free browser-based code IDE. Write HTML, CSS, and JavaScript with live preview — no install, no sign-up, works in any browser.
Cool Usernames
Generate unique usernames for gaming, Instagram, TikTok and more.
Free username generator. Create cool, unique usernames for gaming, Instagram, TikTok, Discord and more — hundreds of ideas instantly.
Free Online Web Tools
A collection of free, instant tools for text, code, images and more.
Free online web tools for developers and creators: text utilities, code formatters, image tools, color tools, SEO tools and more. No install, no sign-up.
SecureGen
Generate strong passwords and passphrases instantly.
Free secure password and passphrase generator with entropy estimation. Customizable length, character sets, and passphrase options. No data ever sent anywhere.
Built by Zaruni
Useful. Fast. Free.
Every Zaruni tool is built with the same principles: it should work instantly, require nothing from you, and never cost a thing.
Browser-only
Every tool runs entirely in your browser. Nothing is installed on your device, nothing is sent to any server.
No account ever
No sign-up, no email, no password. Open the link and the tool is immediately ready to use.
Permanently free
No trial periods, no upgrade prompts, no hidden limits. Every tool is fully free and always will be.
Also from Zaruni
Looking for the mobile apps?
Zaruni also has four standalone Android apps — Kenya Docs Guide, PAYE Calculator, Hustle Tracker, and Mess Hall. All free, all offline-capable.
See Zaruni Apps →