Is Obvious Tool free?

Yes! All 50+ core developer, design, text, image, audio, video and PDF tools are completely free to use directly in your browser.

Does Obvious Tool work offline?

Yes. Once loaded as a Progressive Web App (PWA), tools like calculators, unit converters, JSON formatters and image compressors work locally in your browser offline.

Is my data safe and private?

Absolutely. Data processing for local tools happens directly inside your browser without uploading your private code, JSON, PDFs or images to external servers.

Obvious Tool | Your Digital Swiss Army Knife

Access 50+ powerful developer and design tools in one beautiful, privacy-focused workspace.

Stop the Chaos.

You know the drill. You need to format JSON, so you Google it. You click a link, get bombarded with ads, accept cookies, and paste your sensitive data into a random server. Then you need to convert a color... and the cycle repeats.

No more ad-filled websites.
No more privacy risks.
No more context switching.

Built for Everyone — Free Online Tools Directory

Stop the Chaos.

Built for Everyone — Free Online Tools Directory

Developer & Text Tools

Design, Web & Image Tools

Files, Measurements, Audio, Video & 3D Tools