UD5 Toolkit
Random Decision Maker - Online Yes or No & Wheel
Can’t decide? Use a coin flip, yes/no randomizer, or a customizable wheel. Multiple fun methods to break analysis paralysis. Pure browser fun.
Productivity Tools - Get More Done
99+ toolsOnline Alarm Clock - Set & Wake with Sound
Set an alarm that rings at a specific time even if the tab is in background. Multiple alarm tones. Works offline.
Screen Recorder - Online Record Browser Tab & Download WebM
Record your screen, application window, or browser tab directly using the Screen Capture API. Download as WebM. All local.
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.
Paraphrase Comparison Tool - Online Spot the Rewrite
Paste two versions of the same idea and see a word‑level diff highlighting the rewrite. Not AI, just diff.
Email Permutator - Online Generate All Possible Addresses
Enter a first name and last name, plus a domain, to generate common email address patterns. For finding contacts.
Event Budget Planner - Online Party Expense Estimator
Plan a party or event budget by category (venue, food, decorations). See total and cost per guest. Export summary.
Pros & Cons List Maker - Online Decision Helper
Create a weighed pros and cons list with a score. Help make tough decisions. Data saved locally.
Simple Online Journal - Private Daily Notes & Diary
Write and store encrypted daily journal entries directly in your browser's localStorage. Export as TXT. No sign-up, fully private.
Cron to Text Translator - Online Explain Cron Schedules
Enter a cron expression and get a plain English description of when it runs. Understand complex schedules instantly. Developer friendly.
Local Password Vault - Online Encrypted Browser Storage
Store passwords and notes encrypted with a master passphrase. Data lives only in your browser's localStorage. No cloud.
Microphone Sensitivity Tester - Online Input Level Meter
See a live VU meter of your microphone's input level. Test if your mic is working and adjust gain. Privacy‑friendly.
Envelope Addressing Tool - Online Print Address on Envelope
Type sender and recipient addresses and format them for printing on a standard envelope. No special software.
Envelope Budget Planner - Online Cash Category Allocator
Allocate your monthly income into virtual envelopes by category. Track spending and see remaining balances. LocalStorage.
Tea Steeping Timer - Online Perfect Brew Countdown
Choose your tea type and start a precise steeping timer with color‑changing background. Never over‑steep again.
Time Until Retirement Clock - Online Countdown to Freedom
Set your desired retirement date and see a live countdown of remaining days, hours, minutes. Totally motivating.
Tone Analyzer - Online Detect Emotion in Text
Paste text and get a rough analysis of its emotional tone (happy, sad, angry, etc.) based on keyword matching. Local.
Coin Collection Logger - Online Simple Inventory Tracker
Log your coin collection with year, mint, and grade. Filter and sort. Data stored in localStorage. For numismatists.
Icebreaker Question Generator - Online Team Building Prompts
Generate random icebreaker questions for meetings, parties, or classrooms. Categories for work, fun, and deep talks.
Mermaid Diagram Renderer - Online Flowchart & UML Editor
Write Mermaid markdown and instantly see the rendered flowchart, sequence diagram, or Gantt chart. Copy SVG output. Browser-side rendering.
Virtual Keyboard Tester - Online Check All Keys Functionality
Press keys on your physical keyboard and see them highlighted on a virtual keyboard. Detects multi-key rollover. Quick hardware check.
Barcode Scanner - Online Scan 1D Barcodes from Camera
Use your camera to scan 1D barcodes (UPC, EAN, CODE128) directly in the browser. Quick and no app install. All scanning is local.
Pomodoro Task List - Online Focus Timer with To-Do
Combine a Pomodoro timer with a simple task list. Assign estimated Pomodoros to tasks and track completions. Boost focus and get things done.
Habit Tracker - Online Free Daily Routine Builder
Build good habits by tracking daily completions. Visualize streaks and progress. Pure browser storage keeps your habit data private and offline-capable.
Online Stopwatch - Free Lap & Split Timer Tool
Accurate online stopwatch with lap and split time capabilities. Start, pause, and reset. Ideal for sports and presentations. Runs natively in the browser.
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.
Word Counter - Online Free Character & Word Count Tool
Count words, characters, sentences, and paragraphs instantly. Analyze text density and reading time. Secure client-side processing for your content privacy.
Date Duration Calculator - Online Calendar & Workdays
Calculate the exact number of days, weeks, months, and workdays between two dates. Visual calendar highlights. Perfect for projects.
Seating Chart Maker - Online Drag & Drop Desks
Create a simple seating chart by dragging desk icons and assigning names. Print or screenshot. Perfect for teachers.
Week Number Finder - Online ISO Week of Year
Enter any date and get the ISO week number. Also shows start and end of that week. Handy for project planning.
Yoga Sequence Builder - Online Drag & Drop Poses
Build a yoga flow by dragging pose cards into a sequence. Pose reference images included. Print or share your flow.
Subscription Rename & Cost Calculator - Online Saver
Track your subscriptions, calculate monthly and yearly totals, and find savings by pausing unused services. Local data.
Plant Watering Schedule - Online Reminder & Tracker
Add plants and track when you last watered them. Get a simple visual alert when it's time to water. Local storage.
Work Break Reminder - Online Eye‑Care & Stretch Timer
Set a timer that reminds you to take a break, stretch, or follow the 20‑20‑20 rule. Desktop notification supported. Runs offline.
Vision Board Maker - Online Collage of Goals & Images
Arrange and layer images on a canvas to create a digital vision board. Export as image. Images stay in your browser.
Keyboard Shortcuts Viewer - Online Your Browser & OS Keys
Display a dynamic list of keyboard shortcuts for the current browser and operating system. Filter by category. Keep it open for reference.
Simple Poll Creator - Online Create & Share Voting Link
Create a simple poll with multiple options and share a unique link. Votes stored anonymously via backend-free URL hash. Quick and free.
Timeline Creator - Online Generate Visual History Chart
Build a vertical timeline by entering events with dates and descriptions. Export as image or HTML. Perfect for project milestones.
Flashcard Maker - Online Create & Study With Spaced Repetition
Create custom flashcards and review them with a simple spaced repetition algorithm. Data stored in your browser. No sign-up required.
Crontab Guru - Online Cron Expression Parser & Translator
Describe cron schedule expressions in plain English and test future execution times. Indispensable for DevOps and backend developers. Local analysis.
Time Zone Converter - Online World Clock & Meeting Planner
Compare time across multiple time zones and find a suitable meeting time. Convert a specific time to various cities. Browser-based and always accurate.
Virtual Corkboard - Online Sticky Notes & Memos
Create colorful digital sticky notes on a corkboard. Drag, edit, and delete. Notes persist in local storage. No login.
Text Outline Generator - Online Structured Hierarchical View
Paste plain text and turn it into a nested outline using indent levels or Markdown headings. Great for planning.
Random Word Prompt - Online Creative Writing Inspiration
Get three random words as a creative writing prompt. Challenge yourself to use them in a story. No repeat for a while.
Label Sticker Maker - Online Design & Print Avery Templates
Design simple text‑based labels and print them on standard Avery label sheets. Choose from common templates.
Custom Reminder Pad - Online Simple Alarm Notes
Write a short note and set a specific time for a browser notification reminder. Great for quick one‑offs. Local.
Pomodoro Timer with Lo‑Fi Music - Online Focus Beats
Pomodoro timer with built‑in lo‑fi music playlist (synthetic). Focus and rest cycles. No copyright music; generated tones.
Countdown to Date - Online Custom Event Timer
Create a personal countdown to any future date (birthday, vacation, launch). Shows days, hours, minutes, seconds. Locally stored.
Typing Speed Test - Online WPM & Accuracy Checker
Measure your typing speed in words per minute and accuracy. Random word prompts. Compare results over time. No data sent.
Text Highlighter & Extractor - Online Annotate & Collect
Paste text, highlight important parts, and extract only highlights. Great for research and studying. Entirely client-side.
Online Spell Checker - Free Text Correction with Suggestions
Check English spelling and get suggestions using the browser's built-in dictionary. Highlight errors instantly. No data leaves your machine.
Meeting Cost Calculator - Online Time & Money Waster
Calculate the real monetary cost of a meeting by attendees' hourly rates. A humorous yet insightful productivity tool. All local calculation.
CSV Viewer & Editor - Online Spreadsheet Tool
View and edit CSV data in a familiar table interface. Add/delete rows and columns, sort, and export. Fully local, no cloud sync.
QR Code Scanner - Online Scan QR from Camera or Image
Scan QR codes using your device camera or by uploading an image. Instant decoding of URLs, texts, and more. No data sent to server, pure browser processing.
CSV Column Filter - Online Keep or Remove Columns
Paste CSV data and pick which columns to keep or drop. Rearrange column order by dragging. Download the new file. All local.
International Phone Number Formatter - Online Validate & Normalize
Paste a phone number and format it according to the E.164 standard. Identify country and detect common typos. Local parser.
Batch QR Code Generator - Online Multiple Codes at Once
Paste a list of URLs or texts and generate QR codes all at once. Download as individual images or a single sheet.
CSV to Wiki Table Converter - Online MediaWiki Markup
Paste CSV data and instantly get a formatted MediaWiki table code. Ideal for Wikipedia editors and internal wikis.
Voice Memo Recorder - Online Record & Download Audio
Record audio directly from your microphone and download it as a WAV file. Perfect for quick notes. No upload, fully offline support.
Decision Tree Builder - Online Visual Yes/No Path
Build a simple decision tree by adding yes/no nodes. Flowchart style. Export as text outline.