All 201 tools

Blacklist check, geolocation, whois, ping, traceroute, port scans and CIDR maths.

• IP Blacklist Check

  Scan an IPv4 or IPv6 address through 80+ DNSBL and IP reputation services in real time.

• Whois Lookup

  Registrar, owner, dates and name servers for a domain, or the network block of an IP.

• IP Geolocation

  Country, region, city, coordinates, ISP and ASN of any public IP address.

• My IP Address

  See your public IP, browser, operating system and the HTTP headers you send.

• Ping Online

  Ping a host or IPv4 address from our servers and read latency, TTL and packet loss.

• Multi-Location Ping new

  Ping a host from servers in America, Europe, Asia and Oceania at once and compare the latency.

• IPv6 Ping Test

  Ping an IPv6 address or AAAA hostname over IPv6 and check it is reachable.

• Traceroute Online

  Trace the network path to a host over IPv4 or IPv6, hop by hop, using traceroute.

• IP to Country

  Resolve an IP address to its country, with country code and continent.

• IP to ASN

  Find the autonomous system number, AS name, organisation and route of an IP.

• ASN Lookup

  Organisation, country, RIR, abuse contact and announced IPv4/IPv6 prefixes of an ASN.

• Reverse IP Lookup new

  Find the websites hosted on the same IP address: up to 100 domains sharing a server.

• IP to Google Maps

  Locate an IP address on an interactive map using its approximate coordinates.

• IPv4 CIDR Calculator

  Convert an IPv4 CIDR block to its IP range, netmask, wildcard and host count.

• IPv4 CIDR Checker

  Check whether one or more IPv4 addresses fall inside a CIDR range.

• IPv6 CIDR Calculator

  Expand an IPv6 CIDR block into its first and last address and total address count.

• IP to Decimal

  Convert IPv4 addresses to decimal, hex and binary, and decimal numbers back to IPs.

• Open Port Checker

  Check whether a TCP port is open on your own IP address, to test port forwarding and firewalls.

• TCP Port Scanner

  Nmap TCP scan of the most common ports, or a custom port list, on an IP you own.

• UDP Port Scanner

  Nmap UDP scan of common ports (DNS, NTP, SNMP, …) or custom ports on an IP you own.

• Website Location

  Find the country and city where a website is hosted, from its server IP.

• Find Website IP

  Resolve a website or hostname to its current IPv4 and IPv6 addresses.

• Who Is Hosting a Website

  Discover the hosting provider, ISP and ASN (such as OVH SAS) behind any website.

• Proxy & VPN Detection new

  Detect whether an IP address is a proxy, VPN, Tor exit node, relay or data-centre address.

• Residential Proxy Detection

  Detect residential proxies: real household IPs rented to proxy networks.

• What Is My ISP new

  See which internet service provider and organisation your current IP belongs to.

• My User Agent new

  See the User-Agent your browser sends and the operating system it identifies.

• Internet Speed Test new

  Measure the latency, download and upload speed of your connection from the browser.

• WebRTC Leak Test new

  Check whether WebRTC reveals your real public IP address behind a VPN or proxy.

DiG, MX, NS, TXT, DMARC, DNSSEC, reverse DNS and global propagation checks.

• DiG DNS Lookup

  Run dig online for A, AAAA, CNAME, MX, NS, TXT, SOA, SRV or ANY and read the raw answer.

• DNS Propagation Checker

  Check whether your DNS changes have propagated to resolvers across America, Europe and Asia.

• DNS Reputation Check

  See if a domain is blocked by Quad9, Comodo, AdGuard and other filtering DNS resolvers.

• MX Lookup

  List the mail exchanger (MX) records and priorities of a domain.

• NS Lookup

  Quickly find the authoritative name servers (NS records) of a domain.

• TXT Lookup

  View the TXT records of a domain: SPF, verification tokens, DKIM selectors and more.

• CNAME Lookup new

  Look up the CNAME record of a hostname to see which canonical name it points to.

• SOA Lookup new

  Look up the SOA record of a domain: primary name server, admin e-mail, serial and timers.

• CAA Lookup new

  Look up the CAA records of a domain to see which certificate authorities may issue for it.

• AAAA IPv6 Lookup

  Look up the AAAA records (IPv6 addresses) of a hostname to check its IPv6 connectivity.

• Reverse DNS Lookup

  PTR lookup: find the hostname assigned to an IPv4 or IPv6 address.

• DMARC Lookup

  Read and validate the DMARC record of a domain: policy, reporting addresses and issues.

• SPF Lookup new

  Read and validate the SPF record of a domain, including mechanisms and qualifiers.

• BIMI Lookup new

  Read the BIMI record of a domain, preview the SVG logo and check the VMC certificate.

• DKIM Lookup new

  Look up and validate the DKIM public key of a domain for a given selector.

• DNSSEC Lookup

  Query a domain with +dnssec to view RRSIG and other DNSSEC records.

• DNSSEC Verifier

  Validate the full DNSSEC chain of trust of a domain from the root down.

• DNSKEY Lookup

  View the DNSKEY records (KSK and ZSK public keys) published by a signed zone.

SSL, TLS, HTTP headers, status codes, screenshots, reputation and domain age.

• SSL Certificate Check

  Issuer, subject, validity, days left and fingerprints of a TLS certificate.

• SSL Certificate Generator new

  Generate a self-signed SSL certificate and private key in your browser.

• Certificate Converter new

  Convert certificates between PEM, DER, PKCS#7 (P7B) and PKCS#12 (PFX) formats in your browser.

• PEM Decoder new

  Decode PEM certificates, CSRs and keys: subject, issuer, validity, SANs, key size, fingerprints.

• TLS Version Checker

  Which SSL/TLS protocol versions a server supports, from SSLv2 to TLS 1.3, with a score.

• HTTP Headers

  View the raw HTTP response headers and status line returned by any URL.

• Security Headers Analyzer

  Check HSTS, CSP, X-Frame-Options, Referrer-Policy and other security headers.

• HTTP Status Code Checker

  Check the HTTP status code and redirect target of up to 15 URLs at once.

• HTTP/2 Test

  Check whether a website serves HTTP/2 over TLS, so if HTTP/2 is enabled.

• Gzip Compression Test

  Check whether a URL is served with gzip content encoding enabled and configured.

• Brotli Compression Test

  Check whether a URL is served with Brotli (br) content encoding.

• Track HTTP Requests

  Load a URL in a real browser and list every HTTP request it makes, with hosts, IPs and sizes.

• Unshorten URL

  Reveal the real destination behind bit.ly, t.co, tinyurl and any other short link, safely.

• Domain Reputation Check

  Check a domain on 40+ blacklists with risk score, server details and security checks.

• Domain Age Checker

  Creation date and age of a domain in days, months and years. Spot freshly registered domains.

• Website Screenshot

  Capture a desktop, mobile or full-page screenshot of any URL without visiting it.

• Web Page to PDF

  Convert any web page into a downloadable PDF rendered by a real browser.

• Web Sniffer

  Fetch the HTTP headers and raw HTML source of a page without opening it in your browser.

• Website Down Checker new

  Quickly check whether a website is down for everyone or just for you.

• Multi URL Opener

  Open a list of validated URLs in new tabs with one click, supports custom delay.

• Make URL Harmless

  Defang malicious URLs (hxxp, [.]) so they can be shared safely, and refang them back.

• Get Cached Page

  Open the Wayback Machine, Bing cache and other archived copies of any URL.

Sort, dedupe, split, compare and clean up lists and text in your browser.

• Sort Text Lines

  Sort lines alphabetically, naturally or by length, reversed, case-insensitive, with dedupe.

• Sort Numbers

  Sort a list of numbers in ascending or descending numeric order.

• Sort IP Addresses

  Sort IPv4 and IPv6 addresses numerically, not alphabetically, with duplicates removed.

• Sort Delimited Words

  Sort words separated by a comma, pipe or any delimiter, keeping or changing the delimiter.

• Split String

  Split a long string into chunks of N characters or by a separator, one per line.

• Compare Two Lists

  Find lines only in list A, only in list B, or in both. Great for IPs, domains and hashes.

• New Lines to Commas

  Join a list of lines into a single string using custom separators (commas, pipes, etc.).

• Commas to New Lines

  Convert a delimited string into one item per line using your chosen separator.

• Randomize Lines

  Shuffle the order of the lines in a text or list, randomize lines of a text.

• Reverse Lines

  Reverse the order of lines so the last line becomes the first and the first becomes the last.

• Sum a List of Numbers

  Add up a list of numbers and get the total, count, average, minimum and maximum.

• Remove Duplicate Lines

  Delete repeated lines from a list, optionally ignoring case and whitespace.

• Add Prefix/Suffix

  Add a custom string at the start and/or end of every line in the text.

• Remove Prefix/Suffix

  Strip a specified string from the start and/or end of every line in the text.

• Remove First/Last N Chars

  Delete the first N and/or last N characters of every line in the text.

• Replace First/Last N Chars

  Replace the first N and/or last N characters of every line with a new string.

• Remove Lines Containing

  Delete (or keep only) the lines that contain a word, string or regex.

• Remove Empty Lines

  Strip blank and whitespace-only lines from a text to keep content clean and concise.

• Word Counter

  Count words, characters, sentences, lines and reading time of a text as you type.

• Reverse String

  Reverse the characters of a text, or the words, or each line separately.

• Text Case Converter

  Convert to lower, UPPER, Title, Sentence, camelCase, snake_case or kebab-case.

• Remove Extra Spaces

  Collapse repeated spaces and tabs into one and trim each line for consistent formatting.

• Remove Line Breaks

  Join all lines into one paragraph, with a space, nothing or a custom separator.

• Remove Punctuation

  Strip commas, periods, quotes, brackets and other punctuation from a text.

• Add Line Numbers

  Prefix every line with its number, with a custom start, padding and separator.

• Trim Text Lines

  Trim whitespace from the left, right, or both ends of every line.

• Hex Converter

  Convert between hexadecimal, decimal, binary and octal, one value per line.

Base64, URL and HTML encoding, hashes, minifiers and beautifiers.

• Base64 Encode/Decode

  Encode UTF-8 text to Base64 or decode Base64 (and Base64url) back, in your browser.

• Binary Translator new

  Translate text to binary code (01001000 01101001) and binary back to text, in your browser.

• JWT Decoder new

  Decode a JSON Web Token: header, payload with readable dates, expiry status.

• File to Base64 new

  Convert any file (up to 10 MB) to a Base64 string or data URI in your browser, ready to copy.

• Base64 to Image

  Preview and download an image (PNG, JPG, GIF, WebP, SVG) from a Base64 string or data URL.

• Base64 to PNG

  Turn a Base64-encoded PNG image into a viewable, downloadable PNG file.

• Base64 to PDF

  Decode a Base64 string into a PDF file that you can preview in the page or download.

• Base64 to Video

  Play and download an MP4 or WebM video encoded as Base64 data directly.

• Base64 to MP3

  Play and download an MP3 (or other audio) file encoded as Base64.

• MD5 Generator

  Calculate the MD5 hash of a text or string directly in your browser.

• SHA256 Generator

  Calculate the SHA-256 hash of a text or string directly in your browser.

• SHA Hash Generator

  SHA-1, SHA-224, SHA-256, SHA-384 and SHA-512 digests of a string at once.

• NTLM Hash Generator

  Compute the NTLM (MD4 of UTF-16LE) hash of a password, as stored by Windows.

• CRC32 Generator

  Calculate the CRC32 checksum of a text or string, as hex and decimal.

• ROT13 Encode/Decode

  Apply ROT13 (or ROT5, ROT18, ROT47) to encode or decode a text.

• HTML Encode/Decode

  Escape text into HTML entities or decode entities back to readable characters.

• URL Encode/Decode

  Percent-encode text for URLs and query strings, or decode encoded URLs.

• IDN Encode/Decode

  Convert internationalised domain names to Punycode (xn--) and back to Unicode.

• JSON Validator new

  Check whether a JSON document is valid and see exactly where it breaks, in your browser.

• JSON Formatter new

  Format JSON with 2, 3 or 4-space indentation and sorted keys if you like, in your browser.

• JSON Beautify

  Format and validate JSON with 2 or 4 space indentation, sorted keys optional.

• JSON Minify

  Strip whitespace from JSON to produce the smallest valid output.

• HTML Minify

  Minify (compress) HTML by removing comments, whitespace and optional tags.

• HTML Unminify

  Beautify (decompress) previously minified HTML with proper indentation.

• CSS Minify

  Minify CSS by stripping comments, whitespace and redundant semicolons.

• CSS Unminify

  Beautify (decompress) minified CSS into better readable, indented rules.

• SQL Formatter new

  Format and beautify SQL queries with clause-per-line layout and indentation.

• JS Minify

  Minify JavaScript with Terser: compress, mangle and drop comments.

• JS Unminify

  Reformat and unminify JavaScript into readable, properly indented code.

Random IPs, e-mails, domains, MAC addresses, GUIDs, numbers and hashes.

• Random Email Generator

  Generate realistic-looking fake e-mail addresses for tests and demos.

• Random IP Generator

  Generate random public IPv4 addresses, optionally inside a CIDR range.

• Random IPv6 Generator

  Generate random global unicast IPv6 addresses, compressed or expanded.

• Random Domain Generator

  Generate random pronounceable domain names with the TLDs you choose.

• Random MAC Generator

  Generate random MAC addresses in colon, hyphen or Cisco dot notation.

• Random Bitcoin Address

  Generate random, valid-looking Bitcoin addresses for testing.

• Random GUID Generator

  Quickly generate cryptographically random UUID v4 / GUIDs in bulk.

• Random Number Generator

  Generate random integers within a custom range, with or without repeats.

• Random MD5 Hash

  Generate random, unique MD5 digests for reliable testing and validation.

• Random SHA1 Hash

  Generate random, unique SHA-1 digests for reliable testing and validation.

• Random SHA256 Hash

  Generate random, unique SHA-256 digests for reliable testing and validation.

• Random Base64 String

  Generate random, unique Base64-encoded strings of the length you need.

Pull IPs, e-mails, domains, URLs, phone numbers and regex matches out of any text.

• Extract IP Addresses

  Pull every IPv4 address out of logs or any text, deduplicated and sorted.

• Extract IPv6 Addresses

  Extract IPv6 addresses from any text, deduplicated and optionally normalized.

• Extract Email Addresses

  Extract e-mail addresses from text, with the unique domains behind them.

• Extract Domains

  Extract hostnames and root domains from URLs, e-mails or any text.

• Extract URLs from Text

  Extract all http and https URLs from a text, deduplicated and optionally sorted.

• HREF Link Extractor

  Download a web page and list every internal and external link it contains.

• Regex Matches Extractor

  Extract regex matches with an output template ($1, ${name}, \n), flags, dedupe and sorting.

• Extract Bitcoin Addresses

  Extract Bitcoin addresses (legacy, P2SH and bech32) from any text.

• Extract Phone Numbers

  Extract phone numbers in international and common local formats from a text.

• Extract MAC Addresses

  Extract MAC addresses in colon, hyphen or dot notation from logs or text.

• Extract SSNs

  Find US Social Security Number patterns in a text, useful for data-leak checks.

• Extract File Paths new

  Pull Windows and UNIX file paths out of logs, reports or any text, deduplicated and sorted.

• Extract Hashes new

  Extract MD5, SHA-1, SHA-256 and SHA-512 hashes from any text, grouped by type and deduplicated.

• Extract UUIDs

  Extract UUID/GUID values from any text, deduplicated and sorted for easier reference.

Compress images, view or remove EXIF and PDF metadata, all in your browser.

• Image Compressor new

  Compress PNG and JPEG images in your browser, reduce image file size.

• Image EXIF Viewer new

  Read the EXIF, GPS, XMP and text metadata stored in JPEG, PNG and WebP images, locally.

• Image EXIF Remover new

  Strip EXIF, GPS and XMP metadata from up to 25 JPEG, PNG or WebP images without re-encoding them.

• C2PA Viewer new

  Read the C2PA Content Credentials embedded in images, video and audio.

• C2PA & AI Metadata Remover

  Remove C2PA content credentials and AI metadata from PNG, JPEG and WebP images.

• Image to WebP new

  Convert PNG and JPEG images to WebP in your browser, up to 25 at once.

• Image to PNG new

  Convert JPEG and WebP images to PNG in your browser, up to 25 at once.

• Image to JPEG new

  Convert PNG and WebP images to JPEG in your browser, up to 25 at once.

• PDF to Image new

  Render the pages of a PDF (up to 50) as PNG images directly in your browser.

• Merge PDF Files new

  Combine up to 10 PDF files into one, in the order you choose, entirely in your browser.

• HEIC to JPG new

  Convert iPhone HEIC photos to JPG in your browser, up to 25 at once, with adjustable quality.

• Image to AVIF new

  Convert PNG, JPEG and WebP images to AVIF in your browser, up to 25 at once, with adjustable quality.

• Resize Image new

  Resize up to 25 images to most popular social media presets or custom sizes.

• Blur Image new

  Blur faces, text or any part of an image by painting over it, with undo, reset and download.

• Watermark Image new

  Add a tiled, rotated text watermark to up to 25 images to protect them.

• Rotate Image new

  Rotate up to 25 PNG, JPEG or WebP images by 90°, 180° or 270° in your browser.

• Add Arrow to Image new

  Annotate screenshots or photos with arrows (including freehand arrows) and text notes.

• Grayscale Image new

  Convert up to 25 PNG, JPEG or WebP images to black and white (grayscale) in your browser.

• SVG to PNG Converter new

  Convert an SVG file to a PNG image at the width or scale you choose, with optional trimming.

• QR Code Generator new

  Create QR codes for URLs, Wi-Fi, vCards, email, phone, WhatsApp, locations and text.

• QR Code Scan new

  Scan QR codes from up to 25 images and read the text or URLs they contain, in your browser.

• EML Preview new

  Open an .eml file safely: sender, recipients, SPF/DKIM/DMARC, rendered body.

• File Checksum new

  Compute the MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes of a file.

• PDF Page Extractor new

  Extract selected pages or ranges from a PDF into a new PDF file, in your browser.

• Remove PDF Pages new

  Delete selected pages or ranges from a PDF and download the rest, in your browser.

• Image to PDF new

  Convert PNG, JPEG and WebP images into a PDF, one page per image, in your browser.

• PDF Metadata Viewer new

  Show the title, author, creator, producer, dates and XMP metadata embedded in a PDF, locally.

• PDF Metadata Remover new

  Blank the author, title, creator, producer, dates and XMP metadata of PDF files.

Passwords, e-mail checks, Google helpers, epoch converter and more.

• Password Generator

  Generate strong random passwords with the length and character sets you choose.

• Rate My Password new

  Type a password to see its length, character mix, entropy and strength.

• Htpasswd Generator

  Create .htpasswd lines (APR1-MD5, SHA1, bcrypt-free) for Apache and Nginx basic auth.

• Password Special Characters

  Reference table of the special characters allowed in passwords and what they are called.

• Percentage Calculator

  What is X% of Y, X is what percent of Y, and the percentage change between two numbers.

• Email Header Tracer

  Paste raw e-mail headers to find the sender IP, its location, ISP and whois data.

• Email Spoof Check

  Check whether a domain has SPF and an enforced DMARC policy that stop e-mail spoofing.

• Phone Number Validator new

  Validate a phone number and get its formats, country, carrier, risk flags.

• Verify Email Address

  Check whether an e-mail address is well-formed, has MX records and is likely deliverable.

• Video Downloader

  Get direct download links for videos from Facebook, Instagram, Twitter/X, Dailymotion and more.

• Cloudflare Email Decoder

  Decode e-mail addresses obfuscated by Cloudflare e-mail protection (data-cfemail).

• Reverse Image Search

  Search an image URL on Google Lens, Bing, Yandex and TinEye in one go.

• Google Search URLs Extractor

  Paste Google results page HTML or links to extract the clean destination URLs.

• Website Translation Tool

  Translate any web page with Google Translate by choosing source and target language.

• Google URL Cleaner

  Strip Google redirect wrappers and tracking parameters (utm, gclid, fbclid) from URLs.

• Coordinates to Google Maps

  Show a latitude/longitude pair on a map and get Google Maps, OpenStreetMap and Bing links.

• Google Search by Country new

  Run a Google search as seen from another country, in the interface language you choose.

• Google No Country Redirect

  Open Google.com without the country redirect, or in any interface language and country.

• Navigator Geolocation Test

  Test the browser Geolocation API: permission state, latitude, longitude.

• LinkedIn Post Preview new

  Write a LinkedIn post with bold, italic, lists and emoji and preview it.

• Voice Recorder new

  Record audio from your microphone in the browser, play it back and download the file.

• Epoch Converter

  Convert Unix timestamps to human dates in UTC and your time zone, and dates back to epoch.