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Compress Image to 100KB

Compress image to 100KB when an email or application blocks a large photo. JPG, PNG, WebP or HEIC in. Free, no signup, files stay on your device.

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Supports JPG, JPEG, PNG, WEBP, HEIC formats

Images Never Leave Your Device

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100% Free & no login required. Your images never leave your device.

How It Works

Step-by-step guide to compress image to 100kb to exact specifications

Upload Your Image

Drag in a JPG, JPEG, PNG, WebP, or HEIC file, or pick one from your phone gallery. Preparing a full application or an email with several photos? Load up to 12 files and handle them in one go.

100KB Is Already Applied

The 100KB target is pre-filled, so there's nothing to enter. Auto is the default method. Scale shrinks resolution instead, and Fixed size keeps the pixels you enter. If you uploaded a PNG, pick JPG as the output.

Preview And Download

Check the preview and the table of original and new file size to confirm you're under 100KB. If it looks right, download it. Everything happened in your browser, so nothing was uploaded along the way.

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Why Choose Imresizer?

Fast, secure, and completely free image resizing

  • Gentle Quality Drop First

    At 100KB, Auto lowers quality first, which usually leaves the pixel count alone and your picture looking like itself. Only if quality can't reduce the file to 100KB does it scale the picture down, and only as far as it takes.

  • Compress JPG to 100KB

    At 100KB a JPG keeps a lot of its look. A 3 MB phone photo usually lands under the limit with only a mild quality drop, so faces, skin tones, and printed text stay easy to read.

  • Compress PNG to 100KB

    PNG keeps every pixel, so screenshots and scans often weigh far more than 100KB. Download as JPG and the same picture fits comfortably. Stay with PNG only when you need transparency.

  • Compress Photo to 100KB

    A photo compressor to 100KB has room to be gentle. Portraits stay natural, and even a detailed scene usually keeps its texture. Crop out dead space first if a portal needs an even smaller file.

  • Built For Applications And Email

    Job portals, résumé uploads, and email systems often cap attachments or profile photos at 100KB. Fit the limit on the first try instead of re-saving the same file at a lower setting again and again.

  • Nothing Is Stored Or Shared

    Everything runs inside your browser, so your résumé photo or ID scan isn't sent to a server. Nothing is stored on our side, and nobody else gets a copy of the file.

  • Free, With Batch Support

    No account, no watermark, no daily limit. Add up to 12 images, leave the 100KB target in place, and download each result once the preview looks right.

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Frequently Asked Questions

Everything you need to know about image resizing

How do I compress an image to 100KB?

Upload your picture, keep the 100KB target, and Auto lowers quality until the file fits. Check the preview and download. It runs in your browser, so you don't need an account or any extra software.

Will compressing to 100KB change my width and height?

Not on Auto, unless quality alone can't reach 100KB. Then it scales the picture down only as far as needed. Fixed size never scales: you enter the pixels and only quality drops. Scale reduces resolution to hit the size. The preview shows the outcome.

Why is my image still bigger than 100KB?

Very large photos and PNG format cause most of it. A 24-megapixel photo or a lossless PNG screenshot carries far more data than a portal expects. Download as JPG, crop out unneeded areas, and it gets much smaller.

How do I compress a JPG to 100KB?

Upload the JPG, keep the 100KB target, and check the preview. The tool lowers the quality setting. Since 100KB is a generous limit, most phone photos still look natural afterwards, and a JPG size reducer rarely needs to go further.

How do I compress a PNG to 100KB?

Upload the PNG and pick JPG as the download format. PNG is lossless and stores every pixel, so it seldom fits 100KB without help. JPG gives up detail you barely notice. Keep PNG only if you need transparency.

How do I compress a photo to 100KB without losing text clarity?

Use the original file and avoid screenshots of screenshots. At 100KB, printed text on a photographed document usually stays readable. If the text looks fuzzy in the preview, try photographing the page again in better light.

What if my image can't reach 100KB?

That's rare at this limit, but huge, detailed pictures can resist. Auto can't shrink a picture below about 200 pixels on the longest side, and Fixed size only lowers quality, so it can end above 100KB. Crop away busy edges or start from a smaller original.

How do I reduce image size to 100KB for a job application?

Upload your photo or scanned document, keep the 100KB target, and download after a quick preview check. Portals that demand an exact shape need a crop first. This tool then deals with file weight and keeps your proportions.

Can I use this image compressor to 100KB for email attachments?

Compress each picture below 100KB and attach it as usual. Several small files add up fast in one message, so batch up to 12 images here and check the sizes in the table before you send.

Do my résumé photo and ID scan stay on my device?

Compression runs in your browser on your own device, so your picture never reaches an outside server. Résumé photos, ID scans, and certificates stay private from start to finish.

What does it cost to compress an image to 100KB?

Nothing. There's no account, no trial, and no watermark, from a single profile photo to a full set of application documents.

Does it work on a phone?

It works in any modern mobile browser. Choose a picture from your gallery, compress it, and save it back to your phone. You don't install anything, and the file stays on your device.
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