UD5 Toolkit
Pomodoro Timer - Online Focus & Productivity Countdown
Boost your productivity with the Pomodoro technique. Customizable work and break intervals with desktop notifications. Simple, clean, and works offline.
Pomodoro Task List - Online Focus Timer with To-Do
Pomodoro Timer
Focus Session #1
25:00
🍅 Today: 0 sessions · 0 min
Task List
Add a task and press â–¶ to focus on it.
Frequently Asked Questions
The Pomodoro Technique is a time management method that breaks work into intervals, typically 25 minutes, separated by short breaks. It helps improve focus and productivity by encouraging sustained concentration and regular rest.
Click the play button next to any task to start a Pomodoro session for that task. When the timer finishes, the completed Pomodoro will be automatically added to that task, helping you track how much time you've spent on each activity.
Yes! Open the settings (⚙️) to adjust focus duration, short break, long break, and how many Pomodoros before a long break. Your preferences are saved automatically.
Absolutely. Your tasks, settings, and daily Pomodoro statistics are stored locally in your browser, so you can close the page and come back without losing anything.
Yes, the timer and task list are fully responsive and optimized for mobile. You can use it on your phone or tablet just like on desktop.
Pomodoro Task Planner - Online Work Sessions & To‑Do List
Combine a Pomodoro timer with a built‑in to‑do list. Estimate pomodoros per task, track completed sessions, and see daily progress. All data stored locally.
Event Loop Visualizer - Online See Call Stack & Microtask Queue
Watch a simulation of how the JavaScript event loop handles synchronous code, microtasks, and macrotasks. Learn async.
Cron Job Simulator - Online Visual Schedule Tester
Set a cron expression and see a calendar of the next 1,000 execution times. Never miss a schedule again.
Crontab Expression Editor - Online Interactive Cron Builder
Build cron expressions using a visual editor with dropdowns. See human-readable description and next run times. Easier than raw cron.
Ice Pack Timer – Online 20‑Minute On/Off Cycle
Visual timer with reminders to apply ice for 20 minutes and rest for 2 hours. Useful for sprains.
Cover Letter Generator - Online Customizable Job Application
Create a tailored cover letter based on job title, your skills, and a template. Download as text or PDF print. Private.
Dunder Mifflin Text Generator - Online The Office Style
Make your text look like the Dunder Mifflin logo heading. Bold, wide‑spaced, and ready to copy. For fans.
Envelope Budget Planner - Online Cash Category Allocator
Allocate your monthly income into virtual envelopes by category. Track spending and see remaining balances. LocalStorage.
Simple Kanban Board - Online Local To‑Do & Columns
A super lightweight Kanban board with drag‑and‑drop. Columns: To Do, Doing, Done. Data stays in your browser.
Unit Circle Visualizer - Online Trigonometry Interactive Chart
Drag an angle around the unit circle and see sin, cos, tan values change live. Degrees and radians display. Perfect for learning trig.
Bubble Wrap Popper - Online Stress Relief & Fidget Game
Pop the virtual bubble wrap with mouse or touch. Satisfying sound and reset button. Pure stress‑busting fun in your browser.
Mailto Link Generator - Online HTML Email Link
Build a complex mailto: link with to, cc, bcc, subject, and body. Get the HTML anchor tag. Local.
Daily Question Journal – Online Prompted Reflection
Each day shows a reflective question (e.g., 'What made you smile?'). Answer privately. Local storage.
Letter Boxed Solver (NYT) – Online Find All Possible Words
Enter the 12 letters and get a list of possible single‑word or two‑word solutions. Cheat helper or learning tool.
Lazy Loading Demo - Online See Intersection Observer
Scroll down to see images load lazily. Code snippet provided. Learn how native loading='lazy' works.
Random Medieval Profession - Online RPG Background
Generate a random medieval occupation with a short description. For NPCs or historical curiosity. Local list.
Mini Capsule Wardrobe Planner – Online 10‑Item Outfit Combos
Select 10 clothing items and generate all possible outfit combinations. Visual grid. Travel light.
Cyberpunk Name Generator - Online Street Samurai
Create a dystopian cyberpunk character name (handle or real). Perfect for Shadowrun or Cyberpunk RED.
Icebreaker Question Generator - Online Team Building Prompts
Generate random icebreaker questions for meetings, parties, or classrooms. Categories for work, fun, and deep talks.
Online Tone Generator - Audio Frequency & Sound Wave Tool
Generate pure audio tones of specific frequencies (Hz). Adjust waveform type (sine, square, sawtooth). Ideal for audio testing and science experiments.
World Capitals List & Search - Online Reference
Search by country or city to find the capital. Full offline list. Useful for homework or travel planning. Static data.
Pub Trivia Host Toolkit – Online Score & Answer Checker
Enter the correct answer and accept player entries. Highlights correct ones. Simple scorekeeper for home trivia.
Domain Name Brainstormer - Online Word Combination
Enter keywords and get domain name ideas by mixing, prefixing, suffixing, and replacing. Check availability indication.
Canning Recipe Scaler – Online Adjust Jars & Headspace
Convert a canning recipe to a different number of jars while keeping proportions and correct headspace. Local calculator.
Word Search Puzzle Maker – Online Create & Print
Enter up to 20 words and a title to generate a printable word search grid. Custom size.
Stain Removal Assistant – Online Quick Treatment Finder
Select stain type (wine, grease, ink) and surface to get immediate first-aid cleaning steps. Local reference.
Net Worth Tracker - Online Assets & Liabilities Overview
Log your assets and liabilities to calculate your net worth over time. Data saved only in your browser for security. Simple and clutter-free.
QR Code with Text - Online Add Label & Caption Below
Generate a QR code with a custom text label below or above. Perfect for printed signs. All generated locally as a single image.
SQL JOIN Visualizer - Online Interactive Venn Diagrams
See interactive Venn diagrams for SQL JOINs: INNER, LEFT, RIGHT, FULL, CROSS. Understand set theory visually. Local static site.