SSL Certificate Checker - Online Verify Expiry & Chain
Enter a domain and see its SSL certificate details: issuer, validity dates, and chain. Clientβside fetch.
UD5 Toolkit
Select your available spirits & mixers β discover what cocktails you can make right now.
Step 1: Pick Your Base Spirits
Step 2: Select Available Mixers & Ingredients
Try selecting different spirits or adding more mixers to your inventory.
Enter a domain and see its SSL certificate details: issuer, validity dates, and chain. Clientβside fetch.
Tell if your password has appeared in data breaches without sending the full password. Uses hash prefix locally.
Define minimum length, uppercase, digits, special chars, and check if a password meets your custom policy. Instant feedback.
Generate a Contributor Covenant or custom Code of Conduct for your project or event. Ready to paste into your repo.
Enter a router's MAC address or serial and generate the common default WPA passphrase for major ISP brands. Educational purpose only.
Display your effective connection type (4g, 3g, etc.) and downlink speed using the Navigator API. Adapt your app accordingly.
Enter a website and check which security headers (HSTS, CSP, XβFrameβOptions) are present. Get a security grade.
Validate a DNSSEC chain by entering DS and RRSIG records. Verify that signatures match. Educational. Local algorithm.
Paste the PermissionsβPolicy header and get a humanβreadable table of allowed/blocked browser features. Understand how your site is restricted.
Test if a script or style will be allowed by a given CSP. Compute hash/nonce. Strengthen your siteβs defense against XSS. Local.
Convert integers into short, unique, YouTubeβstyle IDs (hashids) and decode them back. Customize salt and minimum length.
Select two or more clay colors and visually approximate the mixed result. Helps plan canes and blends.
Adjust cocktail ingredient quantities based on desired total volume or number of servings. Preserve classic ratios. Perfect for home bartenders.
Select the ingredients you have at home and see a list of cocktails you can make. Surprise yourself. Local database.
Mix white noise, pink noise, rain, thunder, wind, and cafe sounds. Individual volume, save presets. Relax or focus. All clientβside.
Select a color and see which cocktails match it roughly. Blue for Blue Lagoon, red for Negroni. Fun bar guide.
Mix multiple ambient sounds (rain, fireplace, cafe, forest) at different volumes. Create your perfect background noise. Local loops.
Log your daily water consumption with one click. Set a goal and track progress. Data stored locally for privacy. Simple and clean interface.