Resize Images Without Uploading to a Server
Worried about privacy? ShareMint resizes images entirely in your browser. Files never touch a server, so confidential photos stay on your device.
Almost every "online" image resizer uploads your file to a third-party server, processes it there, and sends you a download link. That means every photo you resize — including ID scans, confidential documents, unreleased product shots, or private medical images — touches someone else's infrastructure. ShareMint runs entirely inside your browser using the Canvas API and WebAssembly, so your image bytes never leave the device. You can prove it yourself by opening DevTools and watching the Network tab stay empty.
Steps
Understand the privacy risk
Most online resizers upload your file to their server, process it there, and send a link back. That means your photo touches a third party — bad news for ID scans, contracts, or unreleased designs.
Open ShareMint and check the network tab
Open ShareMint, then open DevTools → Network. You will not see a single image upload request. Processing runs locally in your browser using Canvas APIs.
Drop or paste your image
Drag the file in or paste from clipboard. Even after the image appears in the preview, no network request leaves your device.
Resize and download locally
Choose presets, set quality, and click Resize & Export. The output is generated in browser memory and downloaded directly — no server round-trip.
Try It Now
No sign-up required. Free. 100% browser-based. Images never leave your device.
Try it free nowFAQ
How can I verify that nothing is uploaded?
Open your browser DevTools (F12) → Network tab → filter by "Img" or "Fetch". Drop a file into ShareMint and resize it. You will see zero outbound image requests.
Can I use ShareMint offline?
After the page first loads, the resize logic runs entirely client-side. You can disconnect your internet and continue resizing, though the page itself needs to load once.
Is this safer than desktop apps?
It is on par with most desktop apps for privacy and avoids the install/update overhead. No background telemetry collects your image data.
What about extremely large files?
Browser memory is the only limit. Modern laptops handle 50MP RAW exports comfortably. No file is ever truncated by an upload size cap.