Tembrica Online Tools — Page 10

Find sunrise, sunset, golden hour, day length and the moon phase for any location, with live sun and moon directions on a map. Free.

See the next meteor shower, a live peak countdown, and whether the radiant is up, the sky dark and the moon out of the way for your location. Free.

See light pollution on a map and tap anywhere for the exact night-sky brightness in mag/arcsec² — find the darkest skies near you. Free.

Watch live animated wind across the globe from the GFS model — wind speed and direction anywhere, with a reading for your own location. Free.

A live map of recent earthquakes worldwide from USGS and EMSC — magnitude, depth and time for each quake, updated continuously. Free.

Live Kp index, geomagnetic storm level, solar wind and the aurora forecast on a map. See if the northern lights are visible tonight.

Hourly and 9-day weather from two independent forecast models at once — with the disagreement between them shown, not hidden.

Moon phase now, lunar day counted from moonrise at your location, rise and set, distance and a phase calendar. 3D globe with real libration.

Live aurora oval map plus a straight answer on whether the northern lights are visible from your spot tonight: darkness, cloud, moon, Kp.

Interactive Solar System model: planets in their real positions now, today’s distance to Mars, planetary alignments and your weight on each planet.

Upcoming solar and lunar eclipses: path of totality on a map, start and maximum times for your city, how much of the Sun is covered and its altitude.

Measure land area and distances on a map: geodesic calculation on the ellipsoid, hectares and acres, GeoJSON and KML export.

See how hard a given magnitude shakes your city: intensity contours on a real map, a synthetic seismogram and building response. Runs in the browser.

Wind force in numbers: the full Beaufort table, the Saffir-Simpson categories, and what wind a hurricane would deliver to your city.

Online walkie-talkie with push-to-talk — no download, no sign-up. Talk in groups up to 5 directly in your browser.

Share your GPS location instantly with an interactive map, compass, QR code, and 5 coordinate formats.

Send files and folders directly between browsers via WebRTC. Multi-file, resumable, end-to-end DTLS. In your browser.

Create a private encrypted group chat in seconds — share by link or QR. No signup, no app, up to 12 friends.

Remote audio monitor: turn on a mic on one device and listen live on another — keep an ear on any room, office or space.

Share your computer screen in the browser — on a phone, tablet or TV via a link or code. No installs or sign-up.

Share your live location with family or friends on a live map — both open a link, no app. Real-time GPS while the tab is open. Free.

Adaptive English level test: vocabulary, grammar, reading and listening. Get your CEFR level with IELTS and TOEFL equivalents. Online, no signup.

Turn any text into a fill-in-the-blanks exercise. Choose how words are removed, do it on screen or print a worksheet with an answer key. Free.

Convert any English score between CEFR, IELTS, TOEFL, Cambridge and Duolingo, and calculate your IELTS overall band. Free, in the browser.

A searchable table of 130+ English irregular verbs grouped by pattern, plus a typing trainer for past simple and past participle. Free.

Loop and slow down any audio or video, record yourself shadowing it, and compare your waveform and pitch side by side. Free, in the browser.

A searchable list of 190+ English phrasal verbs with meanings and examples, filterable by particle and CEFR level, plus a fill-in trainer. Free.

A new English word each day with translation, meaning, examples and audio. Save and review words with spaced repetition. Free, in your browser.

Say an English vowel and see it plotted on a formant chart against native targets. Real-time F1/F2 feedback for clearer pronunciation. Free.

Look up an English word and see its natural collocations — the verbs and adjectives that go with it — grouped by pattern with examples. Free.

Practice IELTS Speaking with a Part 2 cue-card timer (1 min prep, 2 min talk), random cue cards and Part 1 & 3 question banks. Free.

Browse and quiz English false friends — words that look like a word in your language but mean something else. RU, DE, ES, FR, PT. Free.

Count the syllables in any English word or text. Dictionary-accurate, with a poetry mode for haiku. Free, in your browser.

Find which syllable to stress in any English word. Shows the stressed syllable, IPA and noun/verb pairs like REcord vs reCORD. Free, in your browser.

Learn English grammar by CEFR level A1–C2. Free course with clear lessons, exercises and progress tracking, in your browser.

Listen to graded English sentences and type what you hear. Word-by-word error highlighting, A1–C2 levels, adjustable speed. Free, in the browser.

Estimate how many English words you know. A quick, science-based vocabulary size test with a CEFR estimate. Free, no sign-up.

Hear an English word and spell it. Four difficulty tiers, example sentences, letter-by-letter error marking and a streak counter. Free.

Paste a word list and build a real Anki .apkg deck — with IPA, audio and a built-in study mode. Free, in your browser.

Train your ear on tricky English sounds — ship vs sheep, light vs right. A minimal pairs listening drill, in your browser.

Turn English text into IPA phonetic transcription: context-aware readings, weak forms, stress and syllables, British and American.

Drop in an .srt and see how much of the dialogue you would follow, and which words to learn before you press play.

Shows the main stress of each phrase, its thought groups and weak forms. Move the stress to any word, or record yourself and compare the rhythm.

Type a word — level, transcription and pronunciation fill themselves in. The card returns the day you start forgetting it, scheduled by FSRS.

Hide secret messages, files or images inside pictures. AES-256 encryption, capacity calculator, detectability analysis. In browser.

Free encrypted vault — private diary with chapters, password manager, and file safe. AES-256-GCM encryption via Web Crypto API.

Generate PGP / OpenPGP keys (RSA, Curve25519) in your browser. Encrypt, decrypt, sign and verify. Works with GnuPG, Thunderbird, ProtonMail.

Generate TOTP secrets for two-factor authentication. Live 6-digit code, QR for Google Authenticator / Authy / Aegis, RFC 6238 compliant.

Memorable passphrase generator using diceware-style word selection. 2048-word list, configurable separators, capitalization, and live entropy.

Password generator with strength meter, pronounceable mode, pattern syntax, bulk export. Cryptographically secure via Web Crypto API.