Bulk Image Converter & Resizer
Resize and convert dozens of images at once. Set uniform dimensions and output format, then download everything as a ZIP. Free bulk image tool.
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Convert, resize and rename many images at once
Drop a whole batch of images and process them in one go: convert them all to PNG, JPG or WebP, resize them to a maximum width, a maximum height or by a percentage, give them consistent names — then download everything as a single ZIP file.
How to batch-process images
- Select or drop several images at once.
- Choose the output format: PNG, JPG or WebP.
- Pick a resize mode: keep the original size, fit a maximum width or height, or scale by a percentage.
- Optionally set a new base name, a prefix or a suffix — or leave the names as they are.
- Run the batch and download the ZIP.
When it saves time
- Preparing product photos for an online shop in one consistent size.
- Shrinking camera photos before emailing or uploading them.
- Turning PNG screenshots into much smaller WebP or JPG files.
- Working on a single picture? The Image Resizer and Image Converter give you a preview of each step.
Everything happens in your browser: none of your images is uploaded to a server, so they stay private and the tool keeps working on a slow connection once the page has loaded.
Guides
- How to Resize Many Images at Once (Batch Resize)Resize, convert and rename a whole folder of photos in one go — same width, same format, consistent names — and download them as a single ZIP. Free, no upload.
- How to Reduce Image File Size for a Faster WebsiteBig images are the top reason pages load slowly. Resize, compress and convert your images to WebP — the right sizes, quality settings and a checklist.
- How to Resize an Image to Exact Pixel DimensionsMake a picture exactly 1200 × 800, 600 pixels wide or any size a form or website asks for — with or without keeping its proportions. Free, no upload.
- How to Convert HEIC to JPG on Windows (Free)iPhone photos arrive on Windows as HEIC files that many apps can’t open. Convert them to JPG in your browser — dozens at once, with no software and no upload.
Related tools
- Image CompressorReduce image file size without visible quality loss. Compress JPG, PNG, and WebP files for faster web pages and easier sharing.
- Compress Image to KBShrink a photo to an exact size — 20 KB, 50 KB, 100 KB or any limit a form asks for — at the best quality that fits.
- Image ConverterConvert images between JPG, PNG, WebP, GIF, BMP, TIFF, and AVIF formats instantly. Browser-based — no server upload.
- HEIC to JPG ConverterConvert iPhone HEIC photos to JPG, PNG or WebP — many at once, in your browser. Your photos are never uploaded.
- Image to Base64 ConverterEncode images as Base64 data URIs for HTML, CSS, Markdown or JSON — or paste Base64 to get the image back.
- Favicon GeneratorMake favicon.ico plus icons for browsers, iPhone and Android, a web manifest and the HTML to paste — from one image.

