Social dimensions
Exact canvas sizes for posts, covers, stories, and banners.
プライバシー重視
アップロードせずに画像をリサイズして圧縮
非公開のまま扱いたい画像のための実用的なツールです。See the picture before processing, choose exact dimensions or a file size, and download a clean JPEG, PNG, or WebP result.
Ready-made settings
Start with the right target
Each tool opens the same private image resizer with dimensions, format, or maximum file size already prepared.
File size targets
Smaller downloads for forms, email, publishing, and storage.
Focused utilities
Useful workflows for batches, signatures, and image grids.
プライバシー重視
アップロードせずに画像をリサイズして圧縮
Resize and compress images online in your browser. Preview the result, control dimensions and file size, then download without uploading your image. The tool keeps the workflow simple: choose a source image, preview it, set the output, and download the finished file from this browser session.