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About PyPad
Run real python on your browser, mainly focused on mobile
Runs real python (Pyodide v0.26.4) fully on your device
No server execution, your code is never uploaded
Runs in a Web Worker, so the UI stays responsive
Matplotlib plots show inline in the output panel
Pure-Python packages install on demand with micropip
numpy, pandas, scipy and sympy load only when your code imports them
Live run timer:
Running... 0.4sthenDone · took 1.2sStop interrupts your code without rebooting the engine
input()works on hosts with COOP/COEP headers
- Material 3 Expressive UI, designed for small screens
- Caches the engine after the first load
- Honest cold start: ~18s on a budget phone, ~35s on a slow tablet, then instant
- Open source: github.com/chomuloll69-oss/Pypad
- Who it is for
- People who want to test python snippets quickly
- Problem it solves
- PyPad lets you write and run real Python, matplotlib plots included, straight from your phone's browser, with nothing to install and no code sent to a server
- The solution
- PyPad helps you learn, test, and run real Python anywhere with just your phone and a browser, with no setup, no installs, and no code leaving your device
- What makes it unique
- PyPad runs real Python with plots entirely on your phone, so your code stays private and Stop never makes you wait through a reboot
Features
Online Python no app needed
Syntax highlighting
Library support
Auto indentation, auto completion and more
Details
- Platforms
- Web
- Pricing
- Free
- Open source
- Built for
People who want to test python snippets quickly
- Building since
2026
- Growth channels
Technology
Website performance
Independent mobile lab measurements and permanent weekly competition results from IndieTools Speed.
95ExcellentMobile Lighthouse
Last checked
- Load time
- 741 ms
- FCP
- 2.43 s
- LCP
- 2.43 s
- CLS
- 0.000
- TTFB
- 1 ms
- TBT
- 0 ms
- Speed index
- 2.43 s
Latest Performance Score: 95. Measured: October 16, 2026. Weekly Overall Rank: not finalized. LCP: 2.43 s. Load Time: 741 ms.
- Overall rank
- Not finalized
- Best overall rank
- Not finalized 0 top 10 finishes
- Best category rank
- Not finalized 0 category wins
- Latest change
- +40 score No finalized score yet
Website performance history
Inspect every successful mobile Lighthouse lab measurement by metric and date range.
Range
Metric
Latest score
95 / 100
Higher is better
2 measurements
Use the left and right arrow keys to inspect measurements. Use Home or End to jump to the first or last measurement. Press Escape to dismiss the chart tooltip.
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