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Showing all 11 tools

Developer

JSON Formatter

Pretty-print, minify, validate, sort, and clean JSON in your browser.

Serialization Converter

Convert between BSON, MessagePack, CBOR, JSON, Protobuf, Pickle, Java, and plist.

PCAP Analyzer

Inspect pcap/pcapng files: layers, statistics, topology, and packet flows, fully offline.

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.

Files & Conversion

Image Format Converter

Convert images between PNG, JPEG, and WebP in your browser. Batch, resize, and quality control.

Document Converter

Convert documents between Markdown, HTML, docx, LaTeX, EPUB, and more, all in your browser.

Financial

Mortgage Calculator

Estimate monthly mortgage payments from loan amount, rate, and term.

Investment Calculator (FVIFA)

Project investment growth with a lump sum and multiple recurring contributions via FVIFA.

Tax Calculators

Income tax calculators for 8 countries plus a cross-country tax comparer.

Tax Comparer

Compare income tax and take-home pay across 8 countries from one income.