Free online tool collection for everyday workflows.

QR codes, PDFs, converters, timers, and more—no logins or installs.

JW Tool Box is a free online tool collection covering QR codes, PDF tools (compress, split, unlock, convert), unit converters, countdown timers, password makers, URL encoders, and more—no logins or installs required.

Featured tools

A sample of the most useful browser-based utilities currently published on JW Tool Box.

• QR Code Generator (High Quality, Privacy, No Limits)

  Create high-contrast, scan-friendly QR codes for URLs, Wi-Fi, and text instantly.

• PDF Compressor (Reduce Size, Shrink, Optimize)

  Shrink PDF size with browser-only rasterization and quality presets.

• PDF Merger (Combine, Join, Binder)

  Combine multiple PDF documents without leaving your browser.

• PDF Splitter (Extract Pages, Separate, Cut)

  Split PDFs into single pages or export a custom page range.

• PDF Page Organizer (Reorder, Rotate, Delete Pages)

  Reorder, rotate, delete, and clean up PDF pages locally.

• PDF to Image Converter (JPG, PNG, Extract)

  Convert every PDF page to JPG or PNG images directly in your browser.

• Image to PDF Converter (Combine, JPG, PNG)

  Combine multiple JPG/PNG images into one PDF instantly.

• PDF Password Remover (Unlock, Decrypt, Unprotect)

  Enter the correct password to rebuild an unlocked PDF copy in your browser.

• Image Compressor (Reduce Size for Web, PNG/JPG/WebP)

  Shrink PNG/JPG/WebP files and export optimized assets instantly.

• Image Watermarker (Text, Batch, Copyright)

  Add text watermarks to batches of images and export as JPG/PNG ZIP.

• Batch Convert HEIC to JPG — Free iPhone Photo Converter

  Batch convert HEIC to JPG or PNG instantly in your browser. No upload, no file limits.

• Regex Tester: Test & Debug Regular Expressions Online

  Test regex patterns, see matches highlighted in real time, and debug regular expressions — all in your browser.

Latest guides

The blog stays English-only and focuses on practical how-tos that match the tools.

• How to Merge PDF Files Free Online — No Uploads, No Limits (2026)

  Combining PDF files should be simple, free, and private. Whether you're merging a contract, assembling a thesis, or organizing receipts for an expense report, you shouldn't have to upload your documents to a stranger's server to do it. TL;DR — Use the PDF Merge Tool to merge any number of PDFs in your browser. No upload, no signup, no daily limits, no file size cap imposed by a server. Drag, d…

• Instagram Reel Cover Size 2026: Exact 1080×1920 Dimensions and Safe Zone

  The correct Instagram Reel cover size in 2026 is 1080×1920 px in a 9:16 vertical frame. The part that causes mistakes is the profile grid: Instagram shows a center 1080×1350 px safe zone, so text, faces, and logos near the very top or bottom can be cropped. If your Reel cover looks great in preview but gets awkwardly cropped in your profile grid, this guide gives you the exact dimensions and a…

• 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 browsertab icon, a few PNG assets for higherd…

• 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. If your main problem is a lockeddown corporate laptop where IT prevents you…