Pet Fountain Filter Change Reminder – Online Schedule & Log
Log when you last replaced the filter and get a reminder every 2‑4 weeks. Keep your pet's water fresh.
UD5 Toolkit
Streamline your vacation rental cleaning & turnover process — Airbnb, VRBO, Booking.com ready.
Log when you last replaced the filter and get a reminder every 2‑4 weeks. Keep your pet's water fresh.
Check WHOIS information for any domain: registrar, expiration date, and name servers. Quick and private using public WHOIS data aggregators.
Extract all email addresses from a text block using a regex pattern. Deduplicate and sort results. Handy for lead extraction. Data stays on your machine.
Check if a password appears in the Have I Been Pwned database using k‑Anonymity. Only the first 5 characters of the hash are sent.
Check WHOIS information for any domain: registrar, expiration date, and name servers. Quick and private using public WHOIS data aggregators.
Overlay a protractor to understand ideal hoof‑pastern axis. Educational for horse owners.
See how a computer decides even/odd by looking at the least significant bit. Enter decimal or binary.
Paste an HTML table snippet and instantly get the data as CSV or JSON. Handy for scraping and data migration. Local.
Paste an image from your clipboard directly into the page (Ctrl+V) and extract its color palette. No file dialog needed.
Trace the edge of an object in an image and generate a CSS clip‑path polygon. For non‑rectangular layouts.
Derive a strong cryptographic key from a password using PBKDF2 with SHA‑256. Adjust iterations and salt. Educational and test tool.
Paste a human‑readable date (like 'next Friday' or 'March 5, 2023') and convert it to ISO 8601 format. Quick and tolerant.
Experiment with the Federated Credential Management API. Simulate a sign‑in flow without third‑party cookies. Privacy‑first.
Generate Argon2id hashes in the browser using a WASM compilation. Choose memory, iterations, and parallelism. Secure local hashing.
Configure and generate a pure CSS accordion with details/summary styling. Copy the HTML/CSS. Accessible and lightweight.
Generate Time‑based One‑Time Passwords locally by entering a base32 secret. Verify your authenticator setup without a phone.
Identify common invertebrate fossils (ammonite, trilobite, brachiopod) from sketches. Amateur paleontology.
Use the new `name` attribute on <details> to create an exclusive accordion with zero JavaScript. Copy the clean HTML.
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Enter a decimal number and see its 32‑bit and 64‑bit IEEE 754 representation. Learn sign, exponent, mantissa.
Enter a hexadecimal string and decode it as a 32‑bit or 64‑bit floating‑point number. Low‑level developer tool.
Observe your cat after giving catnip and mark behaviors. See if they carry the gene. Fun science.
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Select month and get a to‑do list (clean gutters, check weatherstripping). Local storage, printable.
Step‑by‑step automotive detailing checklist. Check off tasks, set timer for curing. Perfect shine.
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Interactive checklist of the classic 10 essentials for safe hiking. Check items, see explanations, and never forget critical gear for the trail.
Checklist for plein air painting gear based on medium (oil, watercolor, etc.). Don't forget anything.
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Checklist of essential supplies for a tornado safe room. Print and prepare before storm season.