Site Update: 120 New Web, Image, Network, and Developer Tools

The tools collection just grew by a wide margin. This round wasn't about a single theme - it's a broad sweep across nearly every category on the site, from SEO auditing utilities to image editors, network diagnostics, code formatters, and a batch of lighter, just-for-fun generators. Below is the full rundown, organized by category.

🛠️ 120 New Tools, All in One Update

Every one of these runs free, with most doing their work entirely client-side in your browser. Here's what's new, grouped by category.

🌐 Web & SEO Tools

• Broken Link Checker - Check whether any URL returns a working response or a broken status code, server-side.
• Browser Storage Inspector - Inspect this page's live localStorage, sessionStorage, and accessible cookies in a readable table.
• Canonical Tag Checker - Fetch any URL server-side and instantly see its declared canonical tag, whether it matches the fetched URL, and whether the page redirected.
• Cookie Inspector - Paste a raw Set-Cookie header string and instantly see its name, value, and every attribute broken down.
• CSP Header Generator - Build a Content-Security-Policy header string from a checklist of common directives.
• CSS Selector Tester - Paste HTML and a CSS selector to instantly see how many elements match and preview each one.
• Email Deliverability Checker - Check a domain's SPF, DMARC, and MX DNS records to verify its email deliverability configuration.
• Email Format Validator - Validate an email address's syntax and get a clear explanation of exactly why it's invalid if it fails.
• .htaccess Redirect Generator - Generate Apache mod_alias Redirect rules for your .htaccess file from a simple form.
• htpasswd Generator - Generate an Apache .htpasswd line from a username and password, computed locally with the Web Crypto API.
• HTTP Redirect Chain Tracer - Follow a URL's full redirect chain server-side and see every hop, status code, and the final destination.
• JSON-LD Schema Generator - Generate JSON-LD structured data markup for Article, Product, or FAQ schema types from a simple form.
• Query String Builder - Build a properly URL-encoded query string from key/value pairs using a simple form.
• robots.txt Generator - Generate a valid robots.txt file with Allow/Disallow rules and a Sitemap directive from a simple form.
• Sitemap XML Validator - Paste your sitemap.xml and instantly validate it against the sitemaps.org protocol.
• Social Share Preview Generator - See a live preview of how your page will look when shared on Facebook, Twitter/X, and LinkedIn.
• SSL Certificate Checker - Check any domain's SSL/TLS certificate details server-side - issuer, subject, expiry date, and SAN list.
• URL Parser - Paste any URL and instantly see its protocol, host, port, path, query parameters, and hash broken down.
• User-Agent Parser - Paste any User-Agent string and instantly decode the browser, operating system, rendering engine, and device type.
• UTM Link Builder - Build a UTM-tagged tracking URL for Google Analytics campaign tracking.

🖼️ Image Tools

• Aspect Ratio Resizer - Center-crop and resize an uploaded image to a common aspect ratio like 16:9, 4:3, or 1:1.
• Base64 to Image Converter - Paste a Base64 string or data URI and convert it back into a downloadable image.
• Image Blur Tool - Apply an adjustable Gaussian blur to an uploaded image, then download the result.
• Image Brightness & Contrast Adjuster - Adjust an uploaded image's brightness and contrast live with sliders.
• Image Color Palette Extractor - Extract the most common colors from an uploaded image as a copyable hex swatch palette.
• Image Color Picker - Click anywhere on an uploaded image to sample the exact pixel color as a hex and RGB value.
• Image Compressor - Shrink an image's file size by re-encoding it at an adjustable quality level.
• Image Cropper - Drag to select a region of an uploaded image and crop it down.
• Image Dimension Inspector - Instantly view an uploaded image's width, height, aspect ratio, megapixel count, file size, and type.
• Image Flipper - Flip an uploaded image horizontally or vertically to create a mirror image.
• Image Grayscale Converter - Convert an uploaded image to grayscale using perceptual luminance weighting.
• Image Pixelator - Apply a mosaic/pixelation effect to an uploaded image with an adjustable block size.
• Image Resizer - Resize an uploaded image to exact pixel dimensions, with optional aspect-ratio lock.
• Image Rotator - Rotate an uploaded image by 90, 180, or 270 degrees.
• Image to ASCII Art Converter - Convert an uploaded image into text-based ASCII art with an adjustable width.
• Image to Base64 Converter - Convert an uploaded image into a Base64 data URI, ready to paste into CSS, HTML, or JSON.
• Image to Favicon Generator - Center-crop and resize an uploaded image down to a square favicon PNG at a common icon size.
• Image Watermark Adder - Overlay custom text as a semi-transparent watermark onto an uploaded image.
• JPG to PNG Converter - Convert a JPG image to PNG format instantly in your browser.
• JPG to WebP Converter - Convert a JPG image to WebP format instantly in your browser.
• PNG to JPG Converter - Convert a PNG image to JPG format instantly in your browser.
• PNG to WebP Converter - Convert a PNG image to WebP format instantly in your browser.
• SVG to PNG Converter - Rasterize an uploaded SVG vector file into a PNG at a custom pixel size.
• WebP to JPG Converter - Convert a WebP image to JPG format instantly in your browser.
• WebP to PNG Converter - Convert a WebP image to PNG format instantly in your browser.

🔡 Conversion & Encoding Tools

• Base32 Decode - Decode Base32 (RFC 4648) strings back into readable plain text.
• Base32 Encode - Encode plain text into Base32 (RFC 4648) format.
• HTML Entity Decode - Decode HTML entities back into their original readable characters.
• HTML Entity Encode - Convert special characters into HTML entities to safely embed text inside HTML markup.
• Morse Code Decoder - Translate International Morse Code back into readable plain text.
• Morse Code Encoder - Translate plain text into International Morse Code.
• NATO Phonetic Alphabet Converter - Convert any text into the NATO phonetic alphabet (Alpha, Bravo, Charlie...).
• Unix Timestamp Converter - Convert Unix epoch timestamps to human-readable dates and back, live.
• URL Decode - Decode percent-encoded (URL-encoded) text back into its original readable form.
• URL Encode - Percent-encode text or full URLs for safe use in query strings, links, and API requests.

🌐 Network Tools

• ASN Lookup - Look up the Autonomous System Number and owning organization for any public IP address.
• CIDR Aggregator - Merge a list of CIDR blocks into the minimal set of covering supernets.
• CIDR to IP Range Converter - Convert a CIDR block into its network, broadcast, and usable IP range instantly.
• DNS Propagation Checker - Check a DNS record against Google, Cloudflare, Quad9, and OpenDNS resolvers simultaneously.
• DNS Record Lookup - Look up A, AAAA, MX, TXT, NS, or CNAME DNS records for any domain in real time.
• DNSBL Blacklist Checker - Check whether an IPv4 address is listed on major public DNSBL/RBL spam blocklists.
• Hostname to Punycode Converter - Convert an internationalized domain name with non-ASCII characters to its ASCII Punycode form.
• HTTP Latency Checker - Measure the server-side HTTP round-trip time to any website - a browser-friendly substitute for ping.
• HTTP Status Code Lookup - Look up the meaning and category of any HTTP status code, from 100 to 599.
• IP Address Sorter - Sort a list of IPv4 addresses numerically, with optional deduplication and descending order.
• IP Address to Hex Converter - Convert a dotted-decimal IPv4 address to hexadecimal notation, or decode a hex value back to an IP.
• IP Range to CIDR Converter - Convert a first-last IP address range into the minimal set of covering CIDR blocks.
• IPv4 Address Validator - Validate an IPv4 address and classify it as public, private, loopback, link-local, multicast, or reserved.
• IPv4 to Binary Converter - Convert a dotted-decimal IPv4 address to its 32-bit binary octet representation, or back again.
• IPv6 Address Compressor - Compress a full-form IPv6 address to its shortest valid :: representation.
• IPv6 Address Expander - Expand a compressed IPv6 address to its full 8-group form.
• IPv6 Address Validator - Validate an IPv6 address and classify it as global unicast, unique local, link-local, multicast, or loopback.
• MAC Address Formatter - Normalize a MAC address between colon, hyphen, Cisco-dot, and plain notation instantly.
• MIME Type Lookup - Look up a MIME type from a file extension, or find the file extension(s) for a MIME type.
• Port Number Lookup - Look up the standard service name for a well-known TCP/UDP port, or search ports by service name.
• Punycode to Hostname Converter - Decode a Punycode ASCII hostname back to its original Unicode internationalized domain name.
• Random IP Address Generator - Generate a random IPv4 address, optionally constrained to a specific CIDR range.
• Random MAC Address Generator - Generate a cryptographically random MAC address, with an optional locally-administered or multicast bit.
• Short URL Expander - Resolve a shortened URL to its final destination server-side before clicking it.
• Subnet Mask to CIDR Converter - Convert between a dotted-decimal subnet mask and CIDR prefix notation instantly.
• TCP/UDP Port Range Generator - Generate a firewall-rule-ready list of ports from single values and ranges, with automatic compression.

👨‍💻 Developer Tools

• Cron Expression Explainer - Paste a 5-field cron expression and get a plain-English explanation plus the next 5 scheduled run times.
• CSS Formatter - Beautify and pretty-print raw, minified CSS with proper indentation.
• CSV to TSV Converter - Convert comma-separated values into tab-separated values instantly.
• HTML Formatter - Beautify and pretty-print raw, minified HTML with proper indentation.
• JavaScript Beautifier - Beautify and pretty-print raw, minified JavaScript with proper indentation.
• JSON to HTML Table Converter - Convert a JSON array of objects into ready-to-use HTML table markup.
• JSON to YAML Converter - Convert JSON data into clean, indented YAML instantly.
• List Shuffler - Randomly shuffle the lines of a pasted list using the Fisher-Yates algorithm.
• SQL Formatter - Beautify and pretty-print raw, minified SQL queries with proper indentation and keyword casing.
• Text Diff Checker - Compare two blocks of text line by line and instantly see what was added, removed, or unchanged.
• TSV to CSV Converter - Convert tab-separated values into comma-separated values instantly.
• UUID Generator - Generate cryptographically random RFC 4122 v4 UUIDs online, one at a time or in bulk.
• YAML to JSON Converter - Convert YAML configuration files into standard JSON instantly.
• YAML Validator - Validate YAML syntax instantly and get a clear error message with line number if something's wrong.

🎲 Fun & Random Tools

• Acronym Generator - Turn any word into a fun backronym by expanding each letter into a random positive word.
• Baby Name Generator - Generate random baby name suggestions from a curated list, filterable by gender and starting letter.
• Barcode Generator - Generate a downloadable barcode (CODE128, EAN-13, or UPC) from text or numbers.
• Coin Flip Simulator - Flip a virtual coin and keep a running tally of heads versus tails.
• CSS Border Radius Generator - Build a CSS border-radius with independently adjustable corners and a live preview.
• CSS Box Shadow Generator - Build a CSS box-shadow with adjustable offset, blur, spread, color, and opacity.
• CSS Gradient Generator - Build a linear or radial CSS gradient with a live preview, then copy the generated CSS.
• Dad Joke Generator - Get a random classic pun-style dad joke with a punchline reveal.
• Diceware Passphrase Generator - Generate a random, memorable multi-word passphrase using cryptographically secure randomness.
• Hashtag Generator - Generate a set of relevant hashtags from a topic, combining input-derived tags with curated suggestions.
• Magic 8-Ball Decision Maker - Ask a yes-or-no question and get a random fortune-telling style answer.
• Pomodoro Timer - Run a work/break countdown timer using the Pomodoro Technique, with adjustable interval lengths.
• QR Code Generator - Generate a downloadable QR code from any text or URL, with adjustable size and error correction level.
• QR Code Scanner - Upload an image containing a QR code to decode its text content.
• Random Avatar Generator - Generate a unique, deterministic identicon avatar from any text seed.
• Random Color Palette Generator - Generate a random, harmonious color palette using complementary, analogous, triadic, or monochromatic schemes.
• Random Decision Wheel - Enter a list of options and spin an animated wheel to pick one at random.
• Random Name Generator - Generate random full names from curated first and last name lists, filterable by gender.
• Random Quote Generator - Generate a random inspirational, wise, or funny quote with attribution, filterable by category.
• Random Team Splitter - Enter a list of names and randomly split them into evenly-sized teams.
• Secret Santa Generator - Enter a list of participant names and randomly assign gift-giving pairs, with nobody assigned to themselves.
• Tournament Bracket Generator - Generate a standard single-elimination tournament bracket with proper seeding and byes.
• Trivia Question Generator - Get a random trivia question with a reveal-on-demand answer, filterable by category.
• Username Generator - Generate unique username suggestions from an adjective-noun combination or your own name.
• Writing Prompt Generator - Get a random creative writing prompt to spark a short story, filterable by genre.

That's 120 new tools in one update - the largest single addition to the site so far. As always, everything above is free to use with no sign-up required. More is on the way; stay tuned for the next update.