Fast, free tools right in your browser. No sign-up, no data sent to servers — everything runs locally.
Generate MD5, SHA-1, SHA-256, SHA-512 hashes and more from any text.
Decode JSON Web Tokens and instantly inspect header, payload and claims like exp and iat.
Strong passwords and Diceware passphrases with strength meter — cryptographically random.
Generate WordPress password hashes and verify existing hashes against passwords.
160-битные хэши SHA-1 для контрольных сумм и устаревших систем.
256-битный SHA-2 — стандарт для подписей, TLS и Bitcoin.
512-битный вариант — максимальный запас безопасности на 64-битных CPU.
Создавайте подписанные JWT (HS256/384/512).
UUID (v4, v7, v1, NIL) до 1000 за раз в разных форматах.
Encode and decode text and files to/from Base64. Supports UTF-8 and data URIs.
Format, minify and validate JSON with precise error location.
Powerful JSON editor with tree, text and table view, schema validation, diff, query and conversion.
XMLSpy-style XML editor: fully editable tree view, XPath, XSLT, XSD validation and generation.
Encode and decode URLs and text components. With explanation of reserved characters.
Конвертация YAML ⇄ JSON — полностью в браузере.
CSV ⇄ JSON — выбор разделителя и распознавание заголовка.
Конвертация Markdown в HTML в реальном времени с GFM и защитой XSS.
Test regular expressions live with match highlighting, capture groups and syntax reference.
Generate placeholder text: Lorem Ipsum and filler text in multiple languages. By paragraphs, words or characters.
Слова, символы, предложения, абзацы, время чтения — в реальном времени.
camelCase, snake_case, kebab-case и ещё 11 форматов.
SEO-friendly URL-slug с обработкой диакритики и стоп-слов.
Live current Unix time, convert dates to Unix timestamps and Unix timestamps to readable dates.
Days between two dates, age calculator, working days, or add/subtract days.
Live clocks for cities worldwide, 24h meeting slider with work-hours overlay.
Live countdown to New Year, Christmas, birthday or any custom date.
Точный возраст в годах, месяцах, днях и дни до дня рождения.
Визуальный билдер и парсер cron, ближайшие запуски.
Create linear and radial CSS gradients visually with live preview and copy the generated code.
Visually adjust rounded corners — individual corners, elliptical radii, with live preview.
Create CSS box shadows visually: multiple shadows, offset, blur, spread, inset — with live preview.
Convert colors: HEX, RGB, HSL, CMYK. Generate palettes: complementary, analogous, triadic.
All Material Design colors as interactive palette. Click to copy, CSS variables, download the CSS file.
Проверка контраста WCAG AA/AAA с живым превью.
Calculate percentages: X% of Y, X is what % of Y, percentage change.
Calculate Body Mass Index with WHO category classification. Metric and Imperial.
Convert units: length, weight, temperature, area, volume, speed, digital data.
Суточные калории по Mifflin-St Jeor — цели для снижения и набора.
Чаевые и разделение счёта.
Аннуитет: платёж, проценты, итог.
Рост капитала со сложным процентом и ежемесячными взносами.
Добавить или вычесть НДС — быстрый выбор ставок.
Compare a German Bausparvertrag with an ETF savings plan over the full term, with chart.
What's truly left per hour after commute, lunch and work clothes?
Heat pump vs. gas vs. oil vs. pellets: 20-year cost comparison with chart.
When's your last coffee so your sleep is undisturbed?
How many days can you still stay in Schengen? Multi-trip calculator.
German transfer tax + notary + land register + broker in one go.
Your real inflation rate based on your own spending basket.
Быстрый справочник HTTP-кодов с описанием.
Compare Claude, GPT, Gemini & DeepSeek API pricing side by side.
Estimate tokens for Claude, GPT-4o, GPT-4 and Gemini at a glance.
QR codes for URLs, Wi-Fi, vCards, email and SMS — customizable colors and size.
View and download YouTube thumbnails in all resolutions. Just paste the URL.
Scale cooking recipes to any servings, convert baking pans and cups to grams.
Interactive reference: test format strings live, look up parameters and try strtotime() expressions.
OSM map with poop bag dispensers, bins, vets and dog-friendly zones. Live GPS and GPX export.
Find the nearest defibrillator instantly. With emergency-call button and directions.
EV chargers and EV-only parking with kW filter, plug type and navigation.
Playgrounds and changing tables, with age, shade and fencing filters.
Skip plastic bottles — free drinking fountains and water taps near you.
Repair stations, pumps, rentals and covered parking for cyclists.
Campsites, motorhome pitches, and sanitary dump stations.
Bathing lakes, outdoor and indoor pools with lifeguard info and prices.
Farmers' markets and farm shops with opening hours and organic labels.
Wheelchair-friendly places with traffic-light status: full/limited/no access.
Recycling centers and containers with material filter (glass, paper, plastic, e-waste).
Climbing gyms, boulder halls, and outdoor crags with difficulty grade and route count.
Bookshops, libraries, and public bookcases — buy, borrow, swap.
Mailboxes with collection times, parcel lockers, post offices and pickup shops.
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No registration, no login. Just open and start using.
Works on desktop, tablet and smartphone — anywhere, anytime.