11 tools, all client-side
Tools that respect your privacy
A collection of web tools that run entirely in your browser. No uploads, no servers, no tracking. Just open and use.
- Total tools
- 11
- Categories
- 3
- Data uploaded
- 0
- Cost
- Free
Tools
Categories
Bytes uploaded
Forever
Built different
Most online tools send your data to a server. These don't.
Private by design
Nothing is uploaded. Every calculation and conversion happens locally on your device.
Instantly fast
Tools load only when you open them. No heavy bundles, no waiting, no clutter.
Works offline
Once loaded, tools keep working without a connection. Bookmark them and use anywhere.
Try a tool
A random pick from the collection. Shuffle for more.
Tax Comparer
Compare income tax and take-home pay across 8 countries from one income.
Network Packet Format Converter
Convert network packets between Scapy, hex, raw bytes, and tcpdump formats.
IP Address Toolkit
Hub for offline IPv4/IPv6 inspect, subnet, plan, convert, and batch tools.
Mortgage Calculator
Estimate monthly mortgage payments from loan amount, rate, and term.
Document Converter
Convert documents between Markdown, HTML, docx, LaTeX, EPUB, and more, all in your browser.
JSON Formatter
Pretty-print, minify, validate, sort, and clean JSON in your browser.
Explore by category
Ready to dive in?
No sign-up, no install, no data leaving your device. Just tools that work.
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