Build a notes app that opens instantly, finds anything, and stays on your device
Speed is what makes a notes app worth using: open, type, close, and find it again in two seconds next week. Anticode can build a simple notes app with instant capture, tags and search that saves to your own browser and installs on your home screen. What it can't do is sync between devices, so this page is also about deciding whether that matters to you.
Capture first, organise later
The most common reason people abandon a note taking app is friction at the moment of capture: choosing a folder, a template or a title before typing. Design the opposite way.
- Open on a blank note with the cursor in it, or on the list with a large New button. Pick one and keep it.
- No title field. The first line becomes the title, as in most notes tools people stick with.
- Autosave on every keystroke pause. No Save button, no "unsaved changes" dialogs.
- Organise afterwards with tags typed inline (
#recipes,#work) or added from the note's menu.
Tags, pins and search
Folders force a note into one place; tags let it be in several. For most personal collections, a handful of tags plus good search beats a folder tree.
- Search as you type
- Across titles and bodies, highlighting matches, with recent notes first. For a few thousand notes, plain searching in the browser is instant.
- Tag filter
- Tap a tag to see only those notes; combine two for an intersection.
- Pinned
- Three to five notes kept at the top: the shopping list, the Wi-Fi password for guests, the ideas file.
- Recently edited
- The default order, because the note you want is usually the one you touched yesterday.
- Archive, then delete
- Archived notes leave the list but stay searchable. Deletion goes to a bin for a while before it's final.
Formatting: keep it light
Checklists, bold, headings and links cover nearly every note. A full rich-text editor adds bugs and slows the app; a Markdown-flavoured plain text with checkboxes stays fast. If you write long documents rather than notes, a dedicated markdown editor app with live preview suits that better.
Describing your notes app
"Build a quick-capture app for notes on my phone. Opens on the note list with a big New button; the first line is the title. Inline #tags, a tag bar to filter, search as you type across all notes, pin up to five, archive and a bin that keeps deleted notes for 30 days. Checklists with tap-to-tick. Autosave. Export all notes as a file and import it back. Fast and quiet: system font, off-white, one accent colour, works one-handed."
Anticode's model writes this as one app. Once it's published you can install it on your phone like any app; it opens from the home screen and has an offline fallback (check that in flight mode before you rely on it). Try it with a few hundred notes (ask for a sample-data button to generate them, then clear them) to check search stays quick.
The trade-off: local and private, but no sync
Anticode's apps run in a sandbox with no network. Every note is saved in that browser on that device and goes nowhere else, including to Anticode. That's private by design, and it's the reason there's no sync.
| Fits well | Fits badly |
|---|---|
| One main device, usually your phone | You switch between phone, laptop and tablet all day |
| Private notes you don't want on a server | Notes you share with a partner or a team |
| Short-lived lists and drafts | A ten-year archive you can't afford to lose |
| You'll export a backup now and then | You expect backups to happen without thinking |
Browser storage has a few megabytes for an app like this, which is a lot of text but not many photos, so keep images out. Clearing the browser's site data, or using a private window, empties it. An export file is your backup; test that it imports back before you trust it.
What it won't do
- No sharing or collaboration on a note, and no shared notebooks.
- No voice notes or photos from the camera; the sandbox has no microphone or camera access.
- No reminders. It can't notify you about a note at a time.
- No web clipping. It can't fetch a page you want to save; paste the text and link.
- Not a product with accounts. To launch a notes service for the public with sign-in and sync, the Next.js export gives a developer a starting point with a database.
Questions people ask
Are notes kept private this way?
Notes stay in your browser on your device. The published app contains none of them; each visitor starts empty.
Can I move my notes to a new phone?
Export them to a file on the old phone and import it on the new one. There's no automatic sync.
Does it work without internet?
Installed on your home screen it has an offline fallback; test it in airplane mode.