Reduce Image File Size in Seconds
Reduce image file size for email, upload forms and websites. Set a KB limit or a level, compare the result, then save lighter photos. No software needed.
- Free to use, no login
- Runs locally in your browser
- Clean output, no stamp
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Shrink photos in three quick steps
Drop in the pictures you need to make lighter, from a single photo to a whole batch.
Decide how small they should be: a ready-made level, a maximum size in KB, a new longest side or another file type.
Save the lighter files separately, or grab the full set in a single ZIP archive.
A toolbox for making pictures lighter
Made for upload caps
A portal that refuses anything above a fixed limit is no longer a dead end: type that number and every picture is squeezed to fit, with its pixel dimensions trimmed only when needed.
Look before you save
The expected size for each preset is calculated from your actual photo. Drag the divider across the preview, or switch to 100% view, to inspect fine details side by side.
Whole batches in one pass
Load a set of photos, apply one setting to all of them and collect the results as a ZIP. The tool remembers your last choices for the next job.
Stays on your computer
Pictures are processed by your own browser, so nothing travels to a server. Location tags and camera details are stripped from each re-encoded file as a bonus.
How to reduce image file size for everyday jobs
Heavy pictures cause small, annoying problems: an application form refuses your headshot, an email bounces, a product page loads slowly. This free tool fixes that without any installation. You choose how far to go, check the result on the real photo, and download a lighter copy.
Who it helps
- Job seekers and HR teams trimming profile photos and scanned certificates to fit a recruitment portal.
- Students and teachers shrinking phone snapshots of homework, whiteboards or class projects before posting them to a learning platform.
- Real estate agents preparing a whole set of property pictures for a listing site in one batch, all limited to 1920 px.
- Freelancers and office staff sending a client a folder of visuals without hitting the mailbox size limit.
Choosing the right setting
Start with Recommended; it suits most photos. When a website states an exact ceiling, switch to Target size and type the number: the tool searches for the best quality under that figure and scales the picture down only if it must. For the biggest savings, lower the longest side as well, because a 12-megapixel phone photo rarely needs to be that large. Output type matters too: WebP for web pages, JPG when the file must open everywhere, PNG when you need a see-through background.
What happens behind the scenes
Photos get a fresh encode at a carefully chosen quality setting. Graphics saved as PNG are limited to a smaller set of colours (never more than 256), blended with dithering, so logos and screenshots keep crisp edges and transparent areas. iPhone HEIC pictures become JPG, BMP files become JPG and still GIFs become PNG. A file that is already as small as it can get is returned as it was, and animations are never flattened. Anything the browser cannot read is skipped and reported, so one damaged file never ruins the whole batch.
Other picture tools in the box
Questions people ask about this task
How can I make a photo smaller to send by email?
Add the photo, keep the Recommended preset and set Resize to a longest side of 1920 or 1280 px. Shrinking the dimensions cuts the weight far more than quality alone, and the picture still looks sharp on phones and laptops.
What is the best way to reduce image file size for a website?
Pick WebP as the output type and limit the longest side to the width your page actually displays, often 1920 px or less. WebP is supported by modern browsers and usually gives the lightest result.
Will a smaller file make my pictures blurry?
Not with the default preset: Recommended is tuned to look identical at normal viewing size. Extreme trades visible detail for the tiniest files, while Light keeps almost everything. The before/after preview shows you the difference before anything is saved.
Why did one of my files stay the same size?
When re-encoding would produce a heavier file, the tool hands back your original instead, because that option is switched on by default. Animated GIFs are also left untouched so they keep moving.
Can I reduce the size of HEIC photos from my iPhone?
Yes. They are turned into JPG, which opens everywhere. HEIC is already very compact, so to get a genuinely lighter file, combine the conversion with a smaller longest side.
Is there a limit on how many pictures I can shrink?
There is no daily cap or account requirement. Your device memory is the only real constraint, so on a phone very large photos may need a Resize setting first.