One App = Notes + Todo + 50+ Premium Offline Tools
Private local workspace for Windows. 100% offline, no data upload, no monthly fees.
Zero Cloud
All data stays on your local PC.
No Subscription
One-time lifetime purchase.
50+ Bundled Tools
Replace dozens of paid utilities.
Lightweight & Fast
No bloat, no background service.
Stop using fragmented, ad-filled, cloud-dependent tools
❌ The problem
- !Web tools track your data & show ads
- !PowerToys lacks note & todo workspace
- !You have to buy many tiny paid apps separately
- !Subscription fees pile up every year
✅ Sunmemo.net
- ✓All tools built-in, no extra download
- ✓Full private note + todo workbench
- ✓All premium niche utilities bundled
- ✓Pay once, own forever
Six powerful tool families
Private Note & Todo Workbench
Windows System Efficiency Tools
Professional Niche Calculators
Text & Clipboard Utilities
Streak & Time Tracker
Image & File Light Tools
See it in action
A purchase you can trust
No Internet Required
No Data Collection
No Auto-Update Spam
Lifetime License
Follow the build
Dev logs, new tool releases, and offline-productivity tips.
50+ Premium Offline Tools Bundled in One App
Most functions inside Sunmemo.net are sold individually on Gumroad & Microsoft Store for $12 each. Now you get all of them in one single purchase.
📝① Private Note & Todo
- Markdown Editor & Preview
- Quick Pop-up Floating Note
- Task Todo & Reminder
- Habit Tracker & Streak Statistics
- Local Encryption & Backup
- Batch Export & Template Library
⚙️② Windows System Tools
- Theme Light/Dark Auto Switch
- Volume Profile Presets (Meeting/Work/Night)
- One-Click Monitor Off
- Always On Top / Transparent Window
- Mouse Finder / Crosshair / Magnifier
- Keep Awake / Screen Ruler
🧮③ Professional Niche Calculators
- Tip & Bill Split Calculator
- BMI / BMR Health Calculator
- Height Predictor
- Pregnancy Due Date
- Loan & Compound Interest
- Work Hour & Income Converter
- Fuel MPG Calculator
🔤④ Text & Productivity Tools
- Offline TTS Text-to-Speech
- Text Expander (Custom Snippet)
- Text Case Convert / Line Deduplicate
- URL / Base64 Encode & Decode
- Accent Fast Input for EU Users
⏱️⑤ Streak & Time Tracker
- Quit Counter (Smoke/Alcohol/Caffeine)
- Fasting Timer
- Multi-Countdown Board
- Anniversary Reminder
🖼️⑥ File & Image Light Tools
- Batch Image Resize & Convert
- Color Picker / Pixel Measure
- Empty Folder Cleaner
- File Hash Verify / Batch Rename
Pay Once, Own Forever
Personal License
- ✓Activate 1 Windows Device
- ✓Full features unlocked
- ✓Lifetime updates
- ✓Personal use only
Family License
- ✓Activate 2 Windows Devices
- ✓All premium tools included
- ✓Lifetime free updates
- ✓Family & personal use
Your Local Data Should Stay Local
Most productivity tools force cloud sync, track your notes, scan your files, and require monthly subscriptions. Sunmemo.net is built differently:
- ✓100% offline calculation & processing
- ✓Zero data collection, zero telemetry
- ✓No account login required
- ✓No forced internet connection
- ✓All notes & records store only on your computer
- ✓Perfect for freelancers, business users, privacy-focused people
Frequently Asked Questions
About Sunmemo.net
Sunmemo.net is built by an independent developer who was tired of buying dozens of tiny paid utilities, dealing with cloud sync, and paying endless subscriptions. We believe a private, local, one-time-purchase workspace should just work — on your PC, offline, forever.
Instead of buying 20+ separate paid tiny tools, get everything in one lightweight offline app. No cloud. No subscription. One-time purchase.
Contact
Questions, feedback or partnership: support@sunmemo.net
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