Image Tools
Resize, compress, and convert images — processing happens entirely in your browser.
Resize and compress a photo for the web, convert an image to a Base64 data URL for embedding in CSS or HTML, or rotate and flip a photo — all without uploading it anywhere. Every conversion happens locally in your browser using the Canvas API, so large or private images never leave your device.
How to use this tool
- 1Click the file picker and choose an image — its current width fills in automatically.
- 2Set a new width in pixels, pick an output format (JPEG, WebP, or PNG), and adjust the quality slider (quality only applies to JPEG/WebP).
- 3Click Process image to resize and re-encode it.
- 4Compare the original and result side by side, then click Download to save the processed file.
Frequently asked questions
Which format gives the smallest file size?
WebP usually compresses smallest at a given quality, followed by JPEG. PNG is lossless so it doesn't shrink small-quality-setting the way JPEG/WebP do — use it only when you need transparency or exact pixel fidelity.
Does resizing reduce image quality?
Reducing the width does discard pixel detail (it's a real resize, not just a display resize), and lowering the quality slider on JPEG/WebP adds compression artifacts. Keep quality above ~70% to avoid visible artifacts.
Is my image uploaded anywhere to be processed?
No. Resizing and compression happen entirely in your browser using the Canvas API — the image file never leaves your device.