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GIF から GIF へのオンライン変換

GIF ファイルを GIF 形式に3ステップで簡単変換。

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GIF

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フォーマットガイド

GIF から GIF:完全変換ガイド

PNG supersedes GIF for static images in almost every way — better compression, full 24-bit color, and true alpha transparency instead of GIF's on/off 1-bit transparency. Converting GIF to PNG results in sharper, more colorful images with smooth transparency edges. For static GIF images used as web graphics, converting to PNG immediately improves visual quality and, in most cases, reduces file size too.

なぜ GIF を GIF に変換するのか?

🎨

Full 24-bit color

Replace GIF's 256-color limit with PNG's 16.7 million colors for richer, more accurate images.

🌫️

Smooth transparency

PNG's alpha channel gives feathered, anti-aliased edges instead of GIF's hard-edged transparency.

📉

Better compression

For static images, PNG is usually smaller than GIF while maintaining lossless quality.

🖌️

Design tool support

Every design application handles PNG perfectly — GIF support in design tools is often limited.

GIF
  • ファイル拡張子.gif
  • 説明GIF supports up to 256 colors and lossless data compression. Widely used for animations on the web.
  • 関連プログラムAdobe Photoshop, GIMP, Preview (Mac), Most Web Browsers
  • 開発者CompuServe
  • MIME タイプimage/gif
GIF
  • ファイル拡張子.gif
  • 説明GIF supports up to 256 colors and lossless data compression. Widely used for animations on the web.
  • 関連プログラムAdobe Photoshop, GIMP, Preview (Mac), Most Web Browsers
  • 開発者CompuServe
  • MIME タイプimage/gif

GIF を GIF に変換する方法は?

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GIF ファイルをアップロード

「ファイルを選択」をクリックするか、GIF 画像をドラッグ&ドロップ。

2
アウトプット形式として GIF を選択

ドロップダウンから "GIF" を選択。

3
ファイルを変換

「今すぐ変換」をクリックして GIF から GIF への変換を開始。

4
GIF ファイルをダウンロード

変換が完了したら、変換された GIF ファイルをダウンロード。

Editor's note: Only the first frame of an animated GIF is extracted when converting to PNG. Use a dedicated GIF splitter first if you need all animation frames.

無料 GIF 変換ツール

よくある質問

GIF から GIF への変換に関するよくある質問。

この GIF から GIF への変換ツールは無料ですか?

はい、100%無料です。登録不要、隠れた費用もありません。

GIF を GIF に変換するのにどれくらいかかりますか?

通常、数秒で変換できます。

GIF ファイルは安全ですか?

はい。ファイルは変換後すぐにサーバーから削除されます。

最大ファイルサイズは?

最大400MBまで無料で変換できます。

ソフトウェアのインストールは必要ですか?

インストール不要。ブラウザで直接動作します。

GIF vs GIF:完全なフォーマットガイド

機能 GIF (ソース) GIF (ターゲット)
圧縮 Lossless (LZW) Lossless (LZW)
透明度 Binary 1-bit transparency only — each pixel is either fully transparent or fully opaque (no partial transparency) Binary 1-bit transparency only — each pixel is either fully transparent or fully opaque (no partial transparency)
アニメーション Core feature — stores multiple frames with individual display timings, loop count, and optional per-frame color palettes Core feature — stores multiple frames with individual display timings, loop count, and optional per-frame color palettes
色深度 8-bit only — maximum 256 colors per frame (each frame may have its own 256-color palette) 8-bit only — maximum 256 colors per frame (each frame may have its own 256-color palette)
ファイルサイズ 10–200 KB for static GIFs; 0.5 MB – 20 MB for animated GIFs 10–200 KB for static GIFs; 0.5 MB – 20 MB for animated GIFs
ブラウザサポート Universal — all browsers including IE5, all operating systems, all mobile devices, all social media platforms Universal — all browsers including IE5, all operating systems, all mobile devices, all social media platforms
最適な用途 Animations, icons Animations, icons
GIF

{from} フォーマットについて GIF

GIF was invented by CompuServe engineer Steve Wilhite in 1987 for transmitting images over slow modem connections. Its 256-color limit reflected the monitor technology of that era. A 1990s patent dispute over LZW compression triggered the creation of PNG as a replacement, but GIF survived due to its unique animation capability. GIF animations experienced a massive cultural resurgence in the 2010s as the dominant format for social media reaction clips.

長所
+Universal support on every device and platform ever made
+Animation support with per-frame timing and seamless looping
+Excellent LZW compression for images with large areas of solid color
+Binary transparency works cleanly for logos on solid backgrounds
制限事項
Hard 256-color limit causes visible banding and dithering on photographs
Binary transparency only — no anti-aliased edges on variable backgrounds
Animated GIFs are very large compared to animated WebP or MP4 video
Color quantization permanently destroys photographic color quality
使用する場面 GIF
Simple animations requiring universal cross-platform compatibility
Icons and logos using 16 or fewer distinct solid colors
Reaction GIFs and memes where universal sharing compatibility is essential
Pixel art and intentionally retro-styled graphics
ヒント
Reduce to the minimum color palette needed — every extra color increases file size
For modern web animations, use animated WebP or a short MP4 video instead of GIF
Static GIFs should always be converted to PNG for better quality at smaller file sizes
Dithering can improve photographic GIF quality but significantly increases file size
GIF

{from} フォーマットについて GIF

GIF was invented by CompuServe engineer Steve Wilhite in 1987 for transmitting images over slow modem connections. Its 256-color limit reflected the monitor technology of that era. A 1990s patent dispute over LZW compression triggered the creation of PNG as a replacement, but GIF survived due to its unique animation capability. GIF animations experienced a massive cultural resurgence in the 2010s as the dominant format for social media reaction clips.

長所
+Universal support on every device and platform ever made
+Animation support with per-frame timing and seamless looping
+Excellent LZW compression for images with large areas of solid color
+Binary transparency works cleanly for logos on solid backgrounds
制限事項
Hard 256-color limit causes visible banding and dithering on photographs
Binary transparency only — no anti-aliased edges on variable backgrounds
Animated GIFs are very large compared to animated WebP or MP4 video
Color quantization permanently destroys photographic color quality
使用する場面 GIF
Simple animations requiring universal cross-platform compatibility
Icons and logos using 16 or fewer distinct solid colors
Reaction GIFs and memes where universal sharing compatibility is essential
Pixel art and intentionally retro-styled graphics
ヒント
Reduce to the minimum color palette needed — every extra color increases file size
For modern web animations, use animated WebP or a short MP4 video instead of GIF
Static GIFs should always be converted to PNG for better quality at smaller file sizes
Dithering can improve photographic GIF quality but significantly increases file size

最も人気の変換ツール

PDF to JPG
PDF to JPG

We are not storing your content on our servers.

DOCX to JPG
DOCX to JPG

We are not storing your content on our servers.

EPS to PNG
EPS to PNG

We are not storing your content on our servers.

DOC to PDF
DOC to PDF

We are not storing your content on our servers.

JPG to BMP
JPG to BMP

We are not storing your content on our servers.

GIF to PNG
GIF to PNG

We are not storing your content on our servers.

JPG to WEBP
JPG to WEBP

We are not storing your content on our servers.

PNG to BMP
PNG to BMP

We are not storing your content on our servers.

WMA to MP3
WMA to MP3

We are not storing your content on our servers.

MP3 to MP4
MP3 to MP4

We are not storing your content on our servers.

AMR to WAV
AMR to WAV

We are not storing your content on our servers.

WAV to MP4
WAV to MP4

We are not storing your content on our servers.

MP4 to MP3
MP4 to MP3

We are not storing your content on our servers.

MKV to AVI
MKV to AVI

We are not storing your content on our servers.

MP4 to MOV
MP4 to MOV

We are not storing your content on our servers.

3GP to MP4
3GP to MP4

We are not storing your content on our servers.

なぜ DigitalOfficePro?

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完全無料のオンラインサービス。費用なし、登録なし。

🔒
100%安全

ファイルは変換後すぐにサーバーから自動削除されます。

高速変換

強力なクラウドサーバーでファイルを変換します。

制限なし

変換できるファイル数に制限はありません。

📤
高品質出力

高品質な変換アルゴリズムを使用しています。

🤝
100以上のフォーマット対応

200以上のファイル形式に対応しています。

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サポートされている入力形式

以下のいずれかの形式をアップロードして、JPG、PNG、WEBP、BMP、GIF、または TIFF に変換。

標準画像

JPGPNGWEBPBMPGIFTIFFHEICPPMWBMP

デザイン&ベクター

PSDAISVGXCFTGAPCX

RAW カメラ

ARWCR2CRWDNGNEFORFPEFRAFRAWSR2MRWERFMEF3FRX3F

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