SolidUtils

The complete catalog of free online tools.

65+ tools, all free, all in-browser. Every tool below runs entirely on your device. Nothing you type is sent to a server. No account, no sign-up, no trial.

Bookmark any tool directly — the URL is the tool. Share a link, save it to your home screen, or use it offline after the first load.

LLM & AI Tools 2

Count tokens and estimate cost across every major language model.

Timers & Clocks 7

Pomodoro, countdowns, stopwatch, and focus timers with audio alerts.

Calculators 9

Fast, no-frills calculators for common math, money, and life decisions.

Random Generators 10

Dice, coins, numbers, words, and secure passwords. True client-side randomness.

Pickers & Spinners 11

Pick names, spin wheels, make groups, run giveaways, and settle decisions.

Text & Code 10

Format JSON, test regex, count words, encode / decode, and convert case.

Design & Media 8

Build palettes, generate QR codes, convert color formats, render LaTeX.

Wellness & Focus 4

Breathing exercises, white noise, tones, and BPM tap for music practice.

Utilities & Network 4

IP lookup, unit conversion, magic 8-ball, and trip planner.

Frequently Asked Questions

Are the tools really free?
Yes. Every tool on this site is free with no premium tier, no trial, no feature paywall. The site is supported by display ads.
Do you see what I type into a tool?
No. Everything runs in your browser. Nothing you enter into any tool (text, numbers, passwords, URLs) is ever transmitted to a server. You can verify by opening your browser's network tab — you'll see no outbound requests with your input.
Do I need to create an account?
No. There is no sign-up anywhere. Open a tool and use it immediately.
Do the tools work offline?
Most do. After the first visit, pages are cached by the browser and work without an internet connection for as long as your browser keeps the cache.
Can I embed a tool on my own site?
Yes — see embed plans. Free embeds carry a small SolidUtils credit; paid plans remove branding and allow multiple tools.
How do I suggest a new tool or report a bug?
Use our anonymous feedback form. No email required, no personal info requested.
What analytics do you collect?
Standard Google Analytics 4 pageview data: which pages get visited, referring domain, rough geography. No cross-site tracking, no behavioral profiling. See the privacy policy for detail.