Tools

QR Code Generator Generate QR codes with full control over error correction, version, mask and styling. Export as SVG, PNG, JPG, WEBP or PDF.

Calendar Event Generator Build iCalendar .ics files for Apple, Google, Outlook and Android. Multiple events, all-day ranges, recurrence, reminders and extended metadata. Export as ICS, CSV, JSON or TXT.

Cron Builder and Explainer Say "every weekday at 7:30" in English or German and get the expression, or paste one and see what it does plus its next ten runs.

Regex Tester Live match highlighting, capture groups, a replacement preview and a plain-English breakdown of the pattern.

Hash and HMAC Calculator MD5, SHA-1, SHA-256, SHA-384, SHA-512, CRC-32, Adler-32 and FNV-1a over text or a file, plus keyed HMAC and checksum comparison.

Timezone Converter One moment across as many places as you like, with working-hours strips and daylight saving handled properly. Understands "morgen um 14:30 in berlin".

Placeholder Text Generator Filler text in eight voices, not just Latin. Paragraphs, sentences, lists or headings, wrapped as HTML, Markdown or JSON, with a seed for repeatable output.

Wallpaper Generator An endless gallery of softly blurred shapes on quiet backgrounds. Export any of them as WebP, PNG or JPG, up to 5K.