QRコードは現代のマーケティングと非接触共有に不可欠です。カスタマイズ性、速度、出力品質で最高の無料QRコード生成ツールをテストしました。
QRコードをオンラインで無料生成。URL、テキスト、WiFi、メール、vCardなどに対応。色のカスタマイズ、ロゴ追加、PNG/SVG出力対応。
Generate WiFi QR codes for easy network sharing with guests. Free online WiFi QR code generator for cafes and offices.
Generate EAN, UPC, CODE128, and CODE39 barcodes for products. Free online barcode generator for retail and inventory.
Generate favicon icons from images in multiple sizes. Free online favicon generator for websites and web apps.
Generate clean short links with custom aliases, QR codes, and click tracking analytics. 100% local, no account required.
Generate placeholder images for web design mockups and prototypes. Free online image placeholder generator with custom sizes.
Generate Open Graph meta tags for social media sharing previews. Free online OG tag generator for Facebook and LinkedIn.
Convert files to Base64 Data URIs for embedding in HTML and CSS. Free online Data URI generator for inline images and fonts.
Convert PNG and JPG images to ICO favicon format. Generate multi-size icon files for websites and applications.
Generate professional changelogs from your version history. Free online changelog generator for software releases and GitHub.
No. Static QR codes generated by these tools work forever — no subscription is needed to keep them active.
Yes. Top generators let you upload a logo, choose colors, and set error correction so the code stays scannable.
Yes — creation and download are free, with no watermark.
When choosing a tool, consider your specific needs: file size limits, processing speed, privacy guarantees, and batch processing capabilities. All recommended tools have been tested by our team.