// Tools
DocScan
Scan PDF, DOCX, XLSX, PPTX files for hidden threats — JavaScript, VBA macros, DDE attacks, embedded executables, and suspicious links. Like VirusTotal, but 100% in your browser.
- PDF analysis — JavaScript, OpenAction, Launch, embedded files
- Office macros — VBA, ActiveX, DDE, template injection
- Risk scoring — CLEAN / SUSPICIOUS / DANGEROUS verdict
PickleScan
Scan Python pickle files for malicious code without executing them. Parses bytecodes, flags dangerous opcodes and known malware patterns.
- Bytecode analysis — GLOBAL, REDUCE, BUILD opcodes
- PyTorch support — .pt/.pth ZIP archives
- Risk scoring — SAFE / WARNING / DANGEROUS
GGUF Inspector
The first standalone browser-based GGUF inspector. View metadata, tensor layout, and quantization details for llama.cpp and Ollama models.
- Full metadata — architecture, context, KV pairs
- Tensor explorer — name, shape, type, size
- Quant analysis — type distribution charts
MergeScope
Preview how two AI models would merge before running mergekit. Simulate SLERP, TIES, DARE, and Linear strategies.
- 4 merge methods — with parameter tuning
- Tensor preview — layer-by-layer comparison
- Cross-format — GGUF and SafeTensors
FileScope
Instant data profiling for Parquet, Arrow, Feather, and Lance files. Column stats, distributions, correlations — powered by DuckDB WASM.
- Column stats — min, max, mean, nulls, uniques
- Distribution charts — histograms per column
- Correlation heatmap — Pearson matrix
DeviceTest
12+ browser-based hardware tests. Mic, webcam, speakers, keyboard, screen — check everything without installing anything.
- Mic test — real-time audio levels
- Speaker cleaner — water eject via sound
- Dead pixel test — full-screen color check
掼蛋练习
The first dedicated practice tool for Guandan (掼蛋). 30+ puzzles, AI opponents, smart hints, and a complete tutorial.
- 30+ puzzles — beginner to advanced
- AI battle — 3 difficulty levels
- Smart hints — explains optimal plays
ChoirPitch
A clean pitch pipe for choir directors and singers. Full chromatic range, setlist management, custom tuning. Works offline as PWA.
- C2–C7 range — full chromatic
- Setlist mode — save starting pitches
- Custom tuning — 432/440/415 Hz
ArrowScope
Browser-based viewer for Apache Arrow IPC and Feather files. Schema explorer, data preview, and column statistics.
- Schema explorer — types, nullability
- Data preview — sortable table
- Column stats — min, max, uniques
// Why browser-based
🔒 Privacy First
Everything runs locally. We don't collect, upload, or store your data. What happens on your device stays on your device.
⚡ Instant Access
No downloads, no installations, no updates. Open the URL and start using it immediately.
📱 Works Everywhere
Desktop, tablet, phone — if it has a modern browser, it works.
💰 Actually Free
No freemium walls, no sign-ups, no feature limits. Fully functional. Zero cost.