neilhuk

Live listing price check - shows the median and range of similar items currently for sale on Vinted.

Encode and decode secret messages using nine classical ciphers. Caesar, ROT13, Vigenere, Polybius, Affine and more.

Navigate up any URL, subdomain or folder hierarchy — copy or open any level in a new tab, and strip trackers from links.

Full-screen gradient background generator with animated gradients, colour picker and PNG export. For screenshots, streaming and more

Lightning distance estimator. Flash to bang.

Internet Beat Time: The Swatch .beat clock for Chrome. 1,000 beats, no time zones, the same time everywhere on Earth.

Smart recovery for broken pages. Finds archives, retries servers, and gets you where you were trying to go.

Decode Beale Ciphers B1 and B3 with any candidate key text. Scan every offset, score with chi-squared and ETAOIN, hunt for treasure.

Tap to find your BPM. Lock it in. BoPMan pulses at that tempo so you can keep the beat.

Reads robots.txt, security.txt, humans.txt, ads.txt, sitemap.xml and more - the layer of the web most people never see.

Park any tab for later with one right-click. Reopen, search, or export your parked tabs whenever you're ready.

Simple, reliable countdowns with OS notifications. Set it and forget it.

Interrobangs and their type. A curated palette of rare punctuation marks with the history behind each one.