Favicon Extractor & Web App Icon Checker

Website Uptime & Status Checker

Check if a website is down or responding slowly from multiple global locations.

monitoring

REST API Probe & Tester

Send GET, POST, PUT, DELETE requests with custom headers and JSON payloads.

monitoring

Network Latency & TTFB Benchmark

Measure DNS lookup, TCP handshake, TLS negotiation, and First Byte arrival times.

monitoring

Keyword & Content Presence Monitor

Verify if specific keywords, phrases, or HTML strings appear in live website content.

monitoring

Cron Job Heartbeat & Dead Man's Snitch

Monitor background workers, scheduled cron jobs, and backup pipelines.

monitoring

Global 36-Server Reachability Test

Concurrently probe your domain from 36 server nodes across 12 countries in ~1.5 seconds.

monitoring

DNS Record Lookup & Query

Query A, AAAA, MX, TXT, CNAME, NS, SOA, and PTR records for any domain.

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Global DNS Propagation Checker

Check DNS record resolution across global public DNS providers and root servers.

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Reverse DNS (PTR) Lookup

Resolve an IPv4 or IPv6 address back to its associated hostname and domain.

dns

DNSSEC Validation Checker

Verify DNS Security Extensions (DNSSEC), DS records, DNSKEY, and RRSIG signatures.

dns

Domain WHOIS & Expiration Tracker

Check domain registration age, renewal deadline, registrar, and WHOIS status.

dns

Email Security Suite (SPF, DKIM, DMARC)

Audit email authentication records to prevent domain spoofing and phishing.

dns

SSL/TLS Certificate Inspector

Verify certificate validity, days remaining, cipher suites, issuer, and SAN coverage.

network

HTTP Security Headers Analyzer

Evaluate HSTS, CSP, X-Frame-Options, X-Content-Type-Options, and Referrer-Policy.

network

TCP Port & Socket Availability Checker

Test whether network ports (80, 443, 22, 21, 3306, 8080) are open, filtered, or closed.

network

IP Geolocation, Reverse DNS & ASN

Discover physical location, ISP, Autonomous System Number, and network owner.

network

HTTP Redirect Checker & URL Unshortener

Trace 301, 302, 307, 308 redirect loops, affiliate links, and shortened URLs.

network

Meta Tags & Social Graph Previewer

Preview OpenGraph (Facebook/LinkedIn), 𝕏/Twitter Cards, and Google search snippets.

seo

Robots.txt Parser & Bot Simulator

Test crawl access for Googlebot, Bingbot, GPTBot, and custom search crawlers.

seo

XML Sitemap Parser & Health Checker

Parse sitemap indexes, extract URLs, verify lastmod dates, and check response codes.

seo

Favicon & Web App Icon Explorer

Extract standard favicons, Apple Touch icons, Android PWA manifests, and SVG vectors.

seo

Readability & Content Length Extractor

Extract main article text, calculate reading time, word count, and Flesch-Kincaid score.

seo

Broken Links Crawler & Internal Health

Scan webpage hyperlinks to detect 404 dead links, server errors, and bad anchors.

seo

JSON Formatter, Validator & Minifier

Format messy JSON with 2-space indentation, validate syntax, and compress into 1 line.

developer

JWT Token Decoder & Claims Inspector

Decode header algorithms, payload claims, expiration timestamps, and issuer details.

developer

Cryptographic Hash Generator

Generate secure cryptographic message digests and HMAC signatures instantly.

developer

Base64 Encoder & Decoder

Encode and decode standard and URL-safe Base64 strings and image data URIs.

developer

UUID / GUID Generator (v4)

Generate batches of RFC 4122 v4 Universally Unique Identifiers with custom formatting.

developer

Unix Timestamp & Epoch Converter

Convert epoch seconds and milliseconds to human-readable UTC and local date formats.

developer

URL Encoder & Decoder

Safely encode and decode query parameters, special characters, and percent codes.

developer

User-Agent String Parser

Parse browser family, rendering engine, OS version, device brand, and bot signatures.

developer

CSV to JSON & JSON to CSV Converter

Convert tabular spreadsheet data to JSON arrays and structured JSON to clean CSV files.

developer

Regular Expression (RegEx) Tester

Test patterns, flags (g, i, m, s), capture groups, and match highlighting.

developer

Secure Password & Passphrase Generator

Generate cryptographically secure random passwords with entropy calculations.

developer

QR Code Generator & Styler

Generate clean, scannable QR codes for URLs, WiFi credentials, and text payloads.

developer

Magic Byte & File Type Identifier

Detect real file types, spoofed extensions, and MIME types from binary headers.

developer

Multi-Hash File Checksum Verifier

Verify file integrity, detect tampering, and calculate cryptographic checksums.

developer

Smart Image Compressor & Size Reducer

Compress JPEG, PNG, and WebP images by up to 90% without visible loss of quality.

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Multi-Format Image Converter (WebP, PNG, JPG)

Convert images between modern WebP, lossless PNG, and compressed JPEG formats.

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Dimension Resizer & Aspect Scaler

Resize image width and height in pixels or scale by percentage while locking aspect ratio.

image

Custom Drag & Aspect Ratio Image Cropper

Crop photos with an interactive on-canvas drag box, rule-of-thirds grid, and fine-tuning sliders.

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EXIF & Privacy Metadata Stripper

Strip GPS coordinates, camera serial numbers, date taken, and author info from photos.

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Dominant Color Palette Extractor

Extract harmonious color palettes, HEX codes, and RGB values from any image.

image

SVG Vector Silhouette Tracing

Convert raster logos and icons into infinitely scalable SVG vector silhouettes.

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Favicon & Web App Icon Explorer

Favicon & Web App Icon Extractor

About the Favicon & Web App Icon Explorer

How to Use

Understanding Results

Frequently Asked Questions

Where does Google display favicons?

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