Image Conversion
Convert JPG to AI Online — Free
Fast, free JPG to AI converter. No registration required.
またはインポート元
200万以上のファイル変換
数千人のユーザーに信頼されています
安全な転送
HTTPS暗号化アップロード
プライバシー優先
処理後にファイルを自動削除
登録不要
すぐに変換を開始
どこでも動作
あらゆるブラウザ、あらゆるデバイス
変換方法
1
Upload your .jpg file by dragging it into the upload area or clicking to browse.
2
Choose your output settings. The default settings work great for most files.
3
Click Convert and download your .ai file when it's ready.
JPGとは？
JPG (JPEG) is the most common image format for photographs. It uses lossy compression to achieve small file sizes while maintaining good visual quality.
形式の詳細
- 正式名称
- JPEG Image
- 拡張子
- .jpg
主な特徴
- Universal support
- Small file sizes
- Great for photos
- Adjustable quality
AIとは？
Adobe Illustrator file format for vector graphics. Can be read via PDF parser for raster conversion.
形式の詳細
- 正式名称
- Adobe Illustrator
- 拡張子
- .ai
主な特徴
- Vector format
- PDF-based
- Print industry standard
JPGとAIの比較
| 特徴 | JPG | AI |
|---|---|---|
| 正式名称 | JPEG Image | Adobe Illustrator |
| 拡張子 | .jpg | .ai |
| 最適な用途 | Universal support | Vector format |
よくある質問
Converting between lossless formats (PNG, BMP, TIFF) preserves perfect quality. For lossy formats like JPG and WebP, you can adjust the quality slider to control compression. Default settings prioritize visual quality.
Transparency is preserved when converting to formats that support it (PNG, WebP, TIFF, GIF). If the target format doesn't support transparency, a white background is applied.
Yes. Upload your HEIC files and convert to JPG, PNG, or WebP instantly. Perfect for making iPhone photos compatible with any device or platform.
No resolution limit. We handle images of any size — from small icons to high-resolution photos and print-ready images.
Pro users can batch convert multiple images at once. Free users can convert one image at a time. All conversions are processed on our servers, so even large files convert quickly.