Convert JPG to EPS: Free Online Converter
Convert JPEG Image to Encapsulated PostScript online for free. Fast, secure image conversion with no watermarks or registration.
JPGに対応
アップロードすることで、これらのファイルの権利を有していること、および利用規約に同意することを確認したものとみなされます。
変換設定: ファイルを追加すると調整できます
安全な転送
HTTPS暗号化アップロード
プライバシー優先
ゲストのファイルは約2時間で自動削除
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
JPG から EPS への設定
- エンジン
- 画像
- 設定
- 調整できる設定: 5
- Width (px)
- Height (px)
- Resize Mode
- Rotate upright
- Strip Metadata
変換方法
アップロードエリアにドラッグするか、クリックして選択し、.jpgファイルをアップロードしてください。
必要に応じて出力設定を調整してください。デフォルト設定ではオリジナルの品質を維持します。
「変換」をクリックし、準備ができたら.epsファイルをダウンロードしてください。
JPGからEPSへの変換について
EPS (Encapsulated PostScript) is a vector-capable file format used extensively in professional print production, prepress workflows, and graphic design. Converting JPG to EPS wraps the raster JPEG image data inside a PostScript container, making it compatible with Adobe Illustrator, InDesign, QuarkXPress, and commercial printing RIPs (Raster Image Processors). The EPS file contains the pixel data from the JPG along with a PostScript bounding box definition that tells layout software exactly how to position and scale the image.
This conversion does not vectorize the photograph: the JPG's pixel data is embedded inside the EPS container as a raster preview. True vectorization requires tracing, which is a separate process. However, many print workflows and publication design tools specifically require EPS format for image placement, and this conversion satisfies that requirement while preserving the original photographic quality.
JPGをEPSに変換する理由
Professional print shops and publishing houses often mandate EPS format for all submitted artwork, including photographs. This requirement exists because EPS files carry precise bounding box information, support CMYK color spaces, and can be reliably placed in page layout applications without rendering surprises. Many prepress RIPs expect EPS input and can handle the PostScript instructions to position, scale, and color-manage the image during output to film or plate.
Adobe Illustrator's legacy workflows, particularly in logo design and brand identity, often involve EPS as the interchange format. If a designer needs your photograph embedded in an Illustrator file alongside vector elements, providing it as EPS ensures clean import with correct dimensions. Some stock photography agencies and print-on-demand services also require EPS format for submitted imagery.
主な活用例
- Submit photographs to print shops that require EPS format for prepress workflows
- Place product photos into Adobe InDesign layouts for catalog production
- Provide images to stock photography agencies that accept EPS submissions
- Embed photographs in Adobe Illustrator files alongside vector artwork
- Prepare images for commercial printing RIPs that expect PostScript input
- Package photographs for legacy publishing systems that only accept EPS
仕組み
The conversion wraps the JPEG image data inside an EPS (Encapsulated PostScript Level 2) container. The EPS file includes a PostScript header with BoundingBox and HiResBoundingBox comments that define the image dimensions in points (1/72 inch). The JPEG data is embedded using the DCTDecode filter, which allows PostScript interpreters to decode the JPEG directly. A low-resolution TIFF preview may be included in the EPS header for applications that cannot render PostScript inline.
品質とパフォーマンス
The JPEG image data is embedded in the EPS without re-encoding, so image quality is identical to the source JPG. The EPS format does not introduce additional compression or artifacts. When the EPS is processed by a PostScript RIP for printing, the full JPEG resolution is used. The embedded TIFF preview is low-resolution and is only used for screen display in layout applications.
デバイス互換性
| Device | JPG | EPS |
|---|---|---|
| Windows PC | Native | Partial |
| macOS | Native | Partial |
| iPhone/iPad | Native | Partial |
| Android | Native | Partial |
| Linux | Partial | Partial |
| Web Browser | Native | No |
最良の結果を得るためのヒント
- 1EPS is required by many print shops — check your printer's submission guidelines
- 2Use high-resolution source JPGs (300 DPI minimum) for print-quality EPS files
- 3EPS does not support transparency — any transparent areas become white
- 4For modern design workflows, PDF may be preferred over EPS
- 5The embedded JPEG data is not re-compressed, so quality is preserved perfectly
関連する変換
JPG to EPS conversion packages your photographs in the standard format for professional print production. The EPS container preserves full image quality while adding the PostScript metadata that prepress workflows and design applications require.
JPGとEPSの比較
| 特徴 | JPG | EPS |
|---|---|---|
| 正式名称 | JPEG Image | Encapsulated PostScript |
| 拡張子 | .jpg | .eps |