Browser-based tools for network, security and dev
Network, security and developer utilities that run in your browser - fast, private and untracked. The one tool that shares data, Encrypted Paste, encrypts it end-to-end first so we can never read it.
Security & crypto
(6)CVE Watch
Curated vulnerability feed with analysis, mitigation steps and ready-to-run detection.
run →Password Generator
Strong random passwords, memorable passphrases and PINs.
run →Token Generator
Random tokens and strings with custom character sets.
run →Hash Text
MD5, SHA-1, SHA-256, SHA-512, SHA-3 and RIPEMD160 digests.
run →Encrypted Paste
Share secrets through a one-time, end-to-end encrypted link that self-destructs.
run →JWT Decoder
Decode and inspect a JSON Web Token's header and payload, no secret needed.
run →Networking
(7)Subnet Calculator
IPv4 and IPv6 CIDR, masks, host ranges and a subnet divider.
run →VLAN Calculator
VLAN subnet planning, 802.1Q tags and trunk config.
run →Firewall Rule Builder
Generate iptables, nftables, UFW, Cisco, pf and Windows rules.
run →What's My IP
Public IPv4 or IPv6, ISP, approximate geolocation and browser fingerprint.
run →DNS Lookup
Query A, AAAA, MX, TXT, NS, CNAME, SOA and CAA records for any domain.
run →IPv4 Address Converter
Convert an IPv4 address between dotted, decimal, hex and binary.
run →Port Checker
Test whether a TCP port is open, closed or filtered on a public host.
run →Infrastructure & dev
(6)RAID Calculator
Usable capacity, fault tolerance and rebuild time per level.
run →Bookmark Editor
Edge and Chrome managed favorites, plus Netscape HTML export.
run →Date Converter
Unix, ISO, RFC, Mongo ObjectID and Excel date formats.
run →JSON Formatter
Beautify, minify and validate JSON with clear error messages.
run →JSON to XML
Convert JSON to indented XML and XML back to JSON.
run →CSV to JSON
Convert CSV to a JSON array of objects and JSON back to CSV.
run →QR & content
(10)QR Code Generator
Turn text or a URL into a customizable QR code (PNG or SVG).
run →WiFi QR Code
Share Wi-Fi access: scan to connect, no typing.
run →Open Graph Meta
Generate Open Graph and Twitter social tags with a live preview.
run →Color Converter
Convert hex, RGB, HSL, HWB, LCH, CMYK and named colors.
run →Text to Markdown
Paste from Word, Google Docs or Notion to clean Markdown, and back.
run →Image to Base64
Encode an image to a Data URL for CSS, HTML or Markdown, and decode back.
run →Favicon Generator
Drop a logo, get favicon.ico, PNGs, a manifest and the link snippet in a ZIP.
run →Base64 Encode / Decode
Encode and decode text to and from Base64, UTF-8 safe, with a URL-safe option.
run →URL Encode / Decode
Percent-encode and decode URLs and query-string values.
run →Text to Binary
Convert text to binary and binary back to text, UTF-8 safe.
run →System & misc
(4)Chmod Calculator
Unix permissions: octal, symbolic and the chmod command.
run →MAC Address Lookup
Vendor (OUI) lookup, MAC formats and bit analysis.
run →GUID to ImmutableID
Convert Entra ID objectGUID to Base64 sourceAnchor and back.
run →Intune Favorit Builder
Build Edge bookmarks JSON for the Intune ManagedFavorites policy.
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