Which resize mode should I pick?

Fill (default) crops to fill the frame with no borders. Fit adds letterboxing. Stretch distorts the image to fit.

Does my image get uploaded to a server?

No — everything runs in your browser. Your image never leaves your device.

YouTube Thumbnail Resizer

ResizeanyphotototheYouTubethumbnailsize1280×720px(16:9).ChooseFilltocrop-to-fit,Fittoletterbox,orStretchtoforce-fill.DownloadasJPG,PNGorWEBP.

Free forever100% PrivateNo uploadWorks offline

Processing happens in your browser · No upload

Click or drop your image here

JPG · PNG · WEBP — processed entirely in your browser

Target: 1280×720 px

This tool processes your image locally in your browser. Your file is never uploaded to a server, so nothing needs to be deleted afterwards — closing the tab removes it completely.

How to use YouTube Thumbnail Resizer

11
Upload your image
Drag&droporbrowse.Yourfilestaysonyourdevice—itisneveruploaded.
22
Adjust options
Setthecontrolsforthistool.
33
Download
Previewtheresult,checkthesize,thendownload.Use“Delete&startover”toclearitinstantly.

Key features

100%free—nosign-up,nowatermark
Runsinyourbrowser—imagesneverleaveyourdevice
WorksonChrome,Safari,FirefoxandEdge(desktop&mobile)

Why use YouTube Thumbnail Resizer?

YouTubeThumbnailResizeristhefastestprivatewaytogetthejobdone.Becauseeverythingrunslocallyinyourbrowser,therearenouploads,noqueuesandnoprivacyrisk—idealforIDs,documentsandpersonalphotos.Itisfree,unlimitedandworksonanydevice.

100%

Free

∞

Private

All

Devices

Benefits

Fast,accurateresultswithalivepreviewbeforeyoudownload.
Worksonanymodernbrowser,desktopormobile.
Yourfileisprocessedonyourdevice—thereisnoupload,soIDsandpersonalphotosstayprivate.

Common use cases

Everydayphotoeditswithoutinstallingsoftware.
Quickfixesonmobilewhenyou’reawayfromacomputer.

Helpful tips

💡

Previewtheresultbeforedownloading—youcanalwaysadjustandre-runinstantly.

Troubleshooting

⚠Myimagewon’topenorupload.: Makesureit’sasupportedformat(JPG,PNG,WEBP).HEICandcamera-RAWdependonyourbrowser;convertthemtoJPGfirstifneeded.
⚠Nothingisuploaded—isitreallyworking?: Yes.Thetoolrunsinyourbrowser,soprocessinghappensonyourdevicewithnoserverround-trip.Youcanevenuseitofflineafterthepageloads.