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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。
QR コード ジェネレーター is a free online 画像 tool that works right in your browser — whatever you enter is processed locally and never sent to a server. No installation, no signup; works on both phone and desktop, ready to use instantly.
画像処理は Canvas API と WebAssembly を通じてローカルで行われ、バッチ処理に対応しています。ダウンロード前に結果を即座にプレビューできます。
We noticed most image compressors upload files to servers. Since privacy is our core principle, we built this tool to process everything locally using Canvas API and WebAssembly.
Photographers and hobbyists sharing work online. Before uploading to a gallery, social feed, or portfolio, optimize the file so it loads fast for visitors while still looking sharp on high-resolution screens.
はい、完全無料で登録不要です。
はい、モバイルブラウザでタッチ操作に対応しています。
画像
ツールには品質コントロールが用意されており、ファイルサイズと画質のバランスを調整できます。
ToolPure supports JPG, PNG, WebP, AVIF, GIF, and BMP formats. You can convert between any of these formats and adjust quality from 10% to 100% for optimal file size.
Yes, you can upload and process up to 100 images simultaneously. Batch operations include compression, format conversion, and resizing with a single quality setting applied to all files.
Both options are available. For JPG and WebP, you can choose lossy compression with adjustable quality. For PNG, lossless compression is used. AVIF supports both modes depending on your quality settings.
Yes. QR コード ジェネレーター is a pure front-end tool: whatever you type or paste is processed only in your browser's memory and never sent to a server. It disappears as soon as you refresh or close the page.
🔒 Privacy & Security：All processing happens locally in your browser. Files are never uploaded or stored.
🔒 Privacy: All processing happens locally in your browser. Your files and data never leave your device — no upload, no server, no tracking.