UD5 Toolkit
Encrypted Note Taker - Online Write & Encrypt in Browser
Write notes that are encrypted in your browser before saving to localStorage. Only accessible with your passphrase.
Quick Notepad - Online Private Note Taker with Auto Save
Frequently Asked Questions
Absolutely. Everything you type stays in your browser’s local storage. No data is sent to any server or third party.
No, because the notes are saved locally in your current browser. To move a note, use the download button and transfer the .txt file.
Clearing cookies and site data will delete your saved note. We recommend downloading important content regularly.
As you type, changes are automatically saved to localStorage after a brief pause. You can close the tab and reopen it later – your text will be there.
LocalStorage can hold 5–10 MB of text, which is roughly hundreds of pages. The live word counter helps you track length.
Once the page is loaded, the notepad works completely offline. No network requests are made while you type.
Reverse Chord Finder – Name That Chord from Notes
Input the notes you're playing and get all possible chord names, including inversions and slash chords. A lifesaver for songwriters and music theorists.
Brain Dump Journal – Online Private Unfiltered Writing
Write whatever is on your mind with auto-save. No formatting, no judgment. Data stays in browser.
Gratitude Journal with Daily Prompts - Online Private Diary
Write a private gratitude entry guided by daily reflective prompts. All entries stored only in your browser with optional export as text file. No account needed.
Menstrual Cycle Logger - Online Private Period Tracker
Log period start dates and cycle length locally. Predict next period and fertile window. Data stays in your browser's storage, never uploaded. Private by design.
Encrypted Daily Journal - Online Private Diary
Write daily notes encrypted with a password. All data stored in your browser. Export as encrypted file. True privacy.
Web MIDI Keyboard Tester - Online Visual Note Display
Connect your MIDI keyboard and see pressed notes visually on a piano roll. Check velocity, channel, and aftertouch. No DAW needed.
Meeting Notes Filler - Online Structured Agenda & Minutes
Fill in a pre‑designed meeting notes template and copy as formatted HTML or plain text. Quick documentation.
Bass Fretboard Trainer - Online Note Recognition Game
A random note name appears; click the correct position on the bass fretboard. Beat your time and accuracy.
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.