Geek Tools Dashboard

Free online tools that work in your browser, with no sign-up: convert Unix timestamps, format JSON, check live exchange rates, pick colors, take an MBTI or IQ test, and plan your day.

8

Tools

Available Tools

Official Site ↗

GeekTask

Plan your day with one-off or repeating tasks (daily, weekly, monthly). Unfinished items carry over.

Productivity Daily

Official Site ↗

GeekLanguage

Learn English vocabulary 150 words a day: Know or Don't Know, missed words come back, spaced review. 20,000 words with American audio and Chinese meanings.

Language Learning Daily

Dusk Flap, Steel Patrol and Sidetrack — small, fast browser games. No install, no login, just play.

Arcade Browser No install

Write and run Java 21 right in your browser — a fast, clean pad for coding-interview practice. No install, no login.

Java Interview Dev

Draw software architecture diagrams: drag components, connect them, group them in zones. Export PNG, PDF or SVG — or let AI draw the first version.

Architecture Design Dev

Live Rates Dashboard

Real-time crypto prices, gold, and forex exchange rates with customisable currency pairs.

Finance Live Forex

Unix Timestamp Converter

Convert Unix timestamps in seconds, milliseconds, microseconds or nanoseconds to dates and back. Shows the current epoch time live.

Epoch Calendar & Date Picker

Pick a date and time and get the epoch, Unix seconds, ISO 8601, week number and day of year. Includes a 12-month day-of-year calendar.

Rich Text Editor

Write formatted text and get clean HTML as you type. Copy it, download it, or edit the HTML directly.

Live World Clock

Live clocks for cities around the world, with each city's time difference from you.

Time Live World

JSON Formatter & Validator

Format, minify and validate JSON. An error shows the exact line and column, with a hint to fix it.

English Dictionary

Look up word meanings, IPA pronunciations (US/UK), examples, and images.

Dictionary Language Learning

Base64 Encoder & Decoder

Encode text or files to Base64 and decode Base64 to text, images or files. UTF-8, URL-safe and data URIs.

Dev Converter Files

JWT Decoder & Verifier

Decode JSON Web Tokens, see exp and iat as dates and whether the token has expired, and verify HS256, RS256 or ES256 signatures.

Dev Security Auth

Generate random UUID v4 strings in bulk with configurable case and dash options.

Dev Random Bulk

Share text and files across your devices with a 6-digit code — no login required.

Share Files Cross-device

Pick a color from an image, the palette, RGB sliders or anywhere on your screen. Copy it as HEX, RGB or HSL and check text contrast.

Design HEX Eyedropper

MBTI Personality Test

Answer 48 questions to find your 4-letter type, with a per-axis breakdown and a full profile for each of the 16 types. Private — runs in your browser.

Personality Quiz 16 Types

20 timed reasoning puzzles for an estimated IQ, your percentile on a bell curve, and a per-category breakdown. Private — runs in your browser.

IQ Quiz Reasoning

Windows screenshot app with annotation — plus capture-while-scrolling to grab full long pages. Free download.

Screenshot Scrolling Windows

Popular tasks

Why GeekTools

Free, no sign-upEvery tool is free to use. Only GeekTask needs an account, and it also has a guest mode.
Private by designMost tools run fully in your browser, so your JSON, keys and text are not sent to a server.
Works on any deviceEvery page works on phones, tablets and desktops, in any modern browser.

More tools: RSA & MD5 · Coin Formatter