Check network information from your IP address.You can see IPv4/IPv6, ISP information, browser info, and more.
Look up information from an IP address, hostname, or URL.Shows IP version, type, reverse DNS, country/region, ASN, and ISP info.
Generate a QR code image from any text. Processing is done locally so your input is not sent anywhere.You can customize size, colors, and output format.
Shorten a long URL into a short link.You can choose a custom ID, and the short link redirects directly without interstitial ads.
Generate placeholder images for mocks and wireframes.Set image size, background/text colors, and text, and get a direct-link image URL.
Fetch DNS records for a domain in one go.Supports A / AAAA / MX / NS / TXT / CNAME / SOA, and accepts URLs and Punycode (IDN) as input.
Measure domain authority (domain power) based on backlink-related signals.
Diagnose OGP settings and preview how your page will look when shared on social networks from a URL or HTML source.Supports X (formerly Twitter) / Facebook / LINE, and can simulate from an image file as well.
Check a site's ranking (global rank).
Compare two texts and extract differences. Processing runs locally so no data is sent.Supports text file input and lets you download the result as an offline HTML file.
Get Whois information for domains and IP addresses.Supports IDN (Punycode) and IPv4/IPv6.
Encode and decode percent-encoding (URL encoding).Useful when handling URLs and query strings safely.
Generate random strings for passwords offline.You can set length, count, and character sets.
Forward lookup (domain/hostname → IP address) and reverse lookup (IP address → domain/hostname).Supports IDN TLDs (Punycode) and IPv6, and also performs the reverse conversion on results so you can check both directions at once.
Check whether a specific port is open on an FQDN (domain) or IP address from the Internet.Supports URL input and Punycode (IDN) as well.
Generate hash values from text.Supports common algorithms and optional salting.
Convert between Unix time and date/time.Supports seconds, milliseconds, microseconds, nanoseconds, and time zone selection.
Encrypt and decrypt text using a key.
Validate JSON (and optionally JSONP) and check for syntax errors.
Automatically detect your current Internet Service Provider (ISP).
Check whether your current network environment supports IPv6.
Fetch HTTP headers from a URL. Supports following redirects as well.
Generate placeholder text for design and wireframes.Supports presets or custom text and outputs a specified character count.
Optimize and minify SVG files to reduce size.
Follow HTTP redirects and inspect the redirect chain and final destination.
Count characters, bytes (UTF-8), line breaks, spaces, and more in real time.
Convert text case (UPPER/lower) quickly.
Encode text to Base64 and decode Base64 back to text.
Check a site's SSL/TLS certificate information.
Remove duplicate lines from text and output unique lines.
Read QR codes from an image file.
Check whether your current IP is detected as a VPN/proxy.
Convert an image file into a Base64 data URL.
Check HTTP security headers and see recommended settings.
Generate a checkered background pattern with CSS.
Generate a stripe background pattern with CSS.
Generate a polka dot background pattern with CSS.
Generate CSS for linear and radial gradients.
Generate CSS for box shadows (outer/inner) with adjustable parameters.
Encode and decode HTML entities (e.g. & ↔ &).
Generate a QR code for connecting to a Wi‑Fi network.You can set SSID, password, encryption type, size, colors, and more.
Fetch a domain's registration date and calculate its age.
Inspect basic information about a file (type, size, and more depending on the file).
Convert between Unicode domain names (IDN) and Punycode.
Extract and view image metadata (EXIF, GPS, etc.) from an image file.
Check whether iCloud Private Relay appears to be in use.
Convert an IPv4 address to a 32-bit number and back.
Look up ASN information from IP addresses.
Check whether an IP address is private, global, or a special-purpose address.
Calculate subnet information from an IP address and subnet mask.
Encode text as Unicode escape sequences (\uXXXX) and decode them back.
Fetch a domain's expiration date and related registration info.
Generate random UUIDs (Version 4) in bulk.
Get a user ID and related information from an X (Twitter) screen name (@xxx).
Fetch user information from an X (Twitter) ID (screen name).