JW Tool Box

Kostenlose Online-Tools für tägliche Aufgaben.

QR-Codes, PDFs, Konverter, Timer und mehr – ohne Anmeldung oder Installation.

JW Tool Box bietet über 50 kostenlose Online-Tools: PDFs, QR-Codes und Konverter. Alles läuft sicher und lokal in Ihrem Browser, ohne Server-Uploads.

Empfohlene Tools

Eine Auswahl der nützlichsten Browser-Utilities, die derzeit in der JW Tool Box veröffentlicht sind.

Neueste Anleitungen

Der Blog bietet praxisnahe How-tos rund um die Tools — originale Texte pro Sprache, keine maschinell übersetzten Kopien.

  • How to Write a Check Amount in Words: Handwriting Steps and Examples

    For $1,500.75, write One Thousand Five Hundred and 75/100 Dollars on a US check's amount line. Write 1,500.75 in the numeric box. The two fields should represent exactly the same amount. Generate your own written amount, or follow the handwriting steps below. This guide focuses on the amount line; the six-field walkthrough covers the rest of the check. Write the Amount Line in Four Steps 1. Sp…

  • Convert Transparent PNG to JPG With a White Background

    To convert a transparent PNG to JPG with a white background, open the Image Resizer, upload the PNG, choose JPEG, then select Resize & convert and Download result. The converter places white behind transparent pixels before creating the JPG. Keep PNG or WebP if the finished image must remain transparent. Why a Transparent Background Can Turn Black PNG can store transparency: a pixel may be com…

  • How to Keep Screen On During Google Meet, Zoom & Teams (2026)

    Working from home? Nothing kills your flow faster than your screen going dark in the middle of a Zoom call, a client demo, or while monitoring your work dashboard. Stop fighting with power settings. Use our Keep Screen On tool to prevent sleep mode with one click—no software installation, no admin privileges required. Quick answer: open Keep Screen On in a browser tab and press start before yo…

  • Favicon Size Guide 2026: Exact Dimensions for ICO, PNG, SVG, and Apple Touch Icons

    If you only need the answer, use this favicon size set for most modern sites: 16x16 and 32x32 inside favicon.ico, a 32x32 PNG for crisp browser tabs, a 180x180 Apple Touch Icon, a 192x192 PWA icon, and a 512x512 PWA icon. In the early web, a single favicon.ico file was enough. Today that is only the fallback layer. Modern sites usually need a small browser-tab icon, a few PNG assets for higher…