Fast on real data
Not demo data. A 500,000-row CSV opens on a phone, scrolls without stutter, and sorts without a spinner. If it can't hold up on the real file, it doesn't ship.
Small apps that do one job properly.
Open a CSV too big for Excel, turn an idea into a mind map, stick with a habit for 30 days. Each app page says plainly what's free and what it needs.
D2:D7Trim, crop, flip, speed, reverse
AppHighlight
Video Trim, Flip, ReverseTrim, crop, flip, speed, reverse
JSON Editor: Smart JsonEditor, tree & graph
Mind Map: Smart MindAI generate & expand
CSV Editor - Smart CSV500,000+ rows
CSV File Viewer - Smart CSVAI assistant
Habit Tracker: 30Day Challenge30-day challenge gridDifferent jobs, same three rules.
Honest about what's free
Every app page says plainly what's free, what Pro adds, whether the free version shows ads, and whether it needs an account or the internet. Read it before you install, not after.
Nothing gets trapped
The apps export to open formats: PDF, PNG, Markdown, OPML, CSV, plain text. Your work can outlive the app you made it in.
Six apps, so far.
Each one started as a file that wouldn't open, a note that wouldn't stay put, or a habit that wouldn't stick.
Video Trim, Flip, Reverse
One video in, five tools, one export.
- Trim, crop, flip, speed, reverse
- One export pass
- MP4, GIF or audio
- No watermark, no account
JSON Editor: Smart Json
One JSON document, three views that all edit.
- Editor, tree & graph
- Live JSONPath
- Structural diff
- Offline, no account
Mind Map: Smart Mind
AI mind maps, kept on your device.
- AI generate & expand
- 8 layouts, 18 themes
- PDF, PNG, Markdown, OPML
- No account, exports free
CSV Editor - Smart CSV
Opens the CSV files other apps choke on.
- 500,000+ rows
- Excel-style sort & filter
- Formula columns
- Charts in two taps
CSV File Viewer - Smart CSV
Read, query and chart any CSV. AI assistant included.
- AI assistant
- SQL queries
- Visual filters
- Chart & PDF export
Habit Tracker: 30Day Challenge
Any goal, turned into a 30-day challenge.
- 30-day challenge grid
- Widgets & Control Center
- Heatmap & streak stats
- Offline, no account
Found a rough edge? Tell me about it.
One person builds these, and every bug report lands in the same inbox. Feature requests too. Plenty of what shipped started as an email from someone using the app on a file I'd never have thought to test.