About Tooleras

Tooleras is a collection of free online tools built for developers. Every tool runs entirely in your browser — your data never leaves your device.

Why we built this

We got tired of searching for simple developer tools and landing on sites loaded with ads, popups, and tracking scripts. Many send your data to their servers for processing — not ideal when working with API keys, tokens, or sensitive configuration data.

Tooleras is different. Every tool processes data client-side using JavaScript. Nothing is sent to any server. No accounts, no subscriptions, no premium tiers.

What we offer

• 200+ developer tools — Formatters, encoders, generators, converters, image tools, and more
• In-depth tutorials — Comprehensive guides on developer topics
• 100% client-side — Your data stays in your browser
• No signup required — Every tool is immediately accessible

Our commitment

We will never send your data to our servers, require you to create an account, put tools behind a paywall, or use dark patterns.

Get in touch

Have a suggestion or found a bug? Send us a message.