How do I compress an image online free?

Drop the file onto this image compressor, choose a preset or JPEG/WebP quality, and download the smaller file. It runs in your browser with no signup.

How do I compress a JPG to under 200 KB for email?

Tap the Email preset or enter 200 in Target size (KB). The tool tunes quality (and dimensions if needed) to aim under that cap.

How do I compress a JPG without losing too much quality?

Use about 75–85% quality and only lower it if you still miss a size limit. Resizing a huge phone photo to 1600px on the long edge often helps more than crushing quality.

Can I compress PNG images online?

Yes. PNG output is lossless; shrink dimensions to reduce bytes. Or convert a photo PNG to JPEG/WebP when transparency is not required.

Does compress image online upload my photos?

Not on this tool. Compression is local JavaScript. EXIF is stripped on re-encode, and nothing is sent to PixelAndPDF servers.

Why is my compressed image still large?

It may already be heavily compressed, or it is a very high-resolution shot. Cap the long edge, set a KB target, or try WebP for web use.

Compress JPG vs compress WebP — which is smaller?

WebP is often 25–35% smaller than JPEG at similar visual quality when the destination supports WebP. Use JPEG for maximum compatibility.

Can I compress multiple images at once?

Yes — batch up to 20 files and download each result, or use Download all as ZIP when two or more are ready.

Will compressing reduce image dimensions?

Only if you set a max long-edge or a KB target that needs a shrink pass. Otherwise resolution stays the same and only encoding changes.

Does the compress image tool work on mobile?

Yes. Open the page on your phone, pick photos from the library, adjust quality or a preset, and save the smaller files.

Compress Image Online Free — Reduce Photo Size

Shrink JPG, PNG or WebP files before email, WhatsApp or a form upload. Use one-tap presets for email (~200 KB) or form (~100 KB) targets, compare before/after previews, download a ZIP for batches, and keep the original when re-encoding would not help — everything runs on your device with EXIF stripped.

How to use the compress image online free

Drop one or more JPG, PNG or WebP images onto the box.
Pick a preset (Email / Form / Web) or set format, quality, max edge and optional KB target.
Download each file — or Download all as ZIP when you have two or more ready.

When you need to compress an image online

People search “compress image” and “compress jpg” when a portal rejects a photo for being too heavy, when WhatsApp has already mashed a chat export, or when a marketing site needs lighter heroes for Core Web Vitals. An image compressor that runs in the browser is the shortest path: no install, no account, and no third party storing product shots or ID selfies.

JPG compression is usually the right default for photographs. WebP often wins for web delivery when the CMS accepts it. PNG should stay PNG when you need sharp UI screenshots or transparency — then “compress” mainly means resizing the long edge, because PNG is already lossless.

KB targets and presets competitors hide behind signup

Email and government forms often hard-cap uploads at 100–200 KB. Instead of guessing a quality slider, set a target size in kilobytes — the compressor binary-searches JPEG/WebP quality (and will shrink dimensions if needed) to land under the cap. One-tap presets for Email, Form upload, Web/blog and Balanced apply sensible format, edge and target combinations so you are not starting from a blank panel.

Each row shows original and compressed previews plus the byte delta. If re-encoding cannot beat the original for the same format, we keep your file and say so — honesty that upload tools rarely offer when they always spit out a new blob.

EXIF strip, batch ZIP, private by default

Canvas re-encode strips EXIF and GPS from phone photos before download — useful when you are compressing holiday shots or documents you do not want geotagged online. Batch up to twenty files, then download a single ZIP when several results are ready, without creating an account or waiting in a queue.

For documents that are already PDFs, use the PDF compressor instead — image compression will not help a multi-page report. For iPhone HEIC files, convert to JPG first, then compress if the JPEG is still too large for the destination.

Frequently asked questions

How do I compress an image online free?: Drop the file onto this image compressor, choose a preset or JPEG/WebP quality, and download the smaller file. It runs in your browser with no signup.
How do I compress a JPG to under 200 KB for email?: Tap the Email preset or enter 200 in Target size (KB). The tool tunes quality (and dimensions if needed) to aim under that cap.
How do I compress a JPG without losing too much quality?: Use about 75–85% quality and only lower it if you still miss a size limit. Resizing a huge phone photo to 1600px on the long edge often helps more than crushing quality.
Can I compress PNG images online?: Yes. PNG output is lossless; shrink dimensions to reduce bytes. Or convert a photo PNG to JPEG/WebP when transparency is not required.
Does compress image online upload my photos?: Not on this tool. Compression is local JavaScript. EXIF is stripped on re-encode, and nothing is sent to PixelAndPDF servers.
Why is my compressed image still large?: It may already be heavily compressed, or it is a very high-resolution shot. Cap the long edge, set a KB target, or try WebP for web use.
Compress JPG vs compress WebP — which is smaller?: WebP is often 25–35% smaller than JPEG at similar visual quality when the destination supports WebP. Use JPEG for maximum compatibility.
Can I compress multiple images at once?: Yes — batch up to 20 files and download each result, or use Download all as ZIP when two or more are ready.
Will compressing reduce image dimensions?: Only if you set a max long-edge or a KB target that needs a shrink pass. Otherwise resolution stays the same and only encoding changes.
Does the compress image tool work on mobile?: Yes. Open the page on your phone, pick photos from the library, adjust quality or a preset, and save the smaller files.

Related tools

Runs entirely in your browser — your files and text never leave this device. Last reviewed July 31, 2026.