How it works
Open the image
It is decoded in this tab at its own resolution. Nothing is uploaded.
Set the quality
The result and its byte count update as you drag, so you can stop at the point where you can no longer see the difference.
Download
The file comes back the same pixel size it went in at.
Compress JPG converter: the complete guide
A good compress JPG gives you a clean, stylised version of your photo that looks drawn on purpose. A poor one will smear a photo into an oil-painting mess or lose the face in a muddy threshold. Here is how this one works, and how to get the most out of it.
Searching for compress JPEG lands you here too. The steps are short: drop your JPG into the box above, check the result, and download a JPG when it looks right.
How the JPG to JPG converter works
Your JPG is processed in the browser at full resolution. Edges are found from colour as well as brightness, so a red shirt against a green wall still has its edge even when both are the same shade of grey.
Noise, texture and background clutter are quietened before the style is drawn, then the result is shown beside your original so you can compare, change the strength and regenerate before you save it as a JPG.
What the JPG is used for
- Photographs
- Email and messaging
- Web pages where size matters more than edges
Why Veconvert for JPG to JPG
- Noise quietened first. Texture and clutter are reduced before the style is drawn, so the result is clean rather than smeared.
- Side by side. Original and result together, with the controls beside them.
- Nothing uploaded. Faces and family photos stay on your device.
Tips for the best JPG
- JPG compression leaves blotches round sharp edges; if you can get the original PNG or a higher-quality JPG, start from that.
- Use a sharp, well-lit photo with the subject filling most of the frame.
- A plain background gives a cleaner result; remove a busy one first.
- Try a couple of strengths: the best setting depends on the photo.
On the blog: Compress JPG: Steps, Tips and Mistakes to Avoid
Compress a JPG and see the size before you save
Open a JPG and drag the quality: the picture and its new file size update as you go, so you can stop where you can no longer see a difference. The photo keeps its pixel size unless you set a longest edge.
Compress JPG without losing quality
Most photos look the same at quality 75 to 85 and are a half to a third of the size of a camera JPG. Below about 60, edges start to show blocky artefacts; the preview lets you see where that happens for your photo.
Compress to an exact size
When a form says 100 KB or 20 KB, use Compress image to a size, which finds the best quality under the limit for you.
PNG and WebP
The same page compresses PNG and WebP. A photo saved as PNG is often bigger, and the page says so when that happens.
People also search for
- compress image
- compress image to 100kb
Also searched as: compress jpg online free, reduce jpeg file size.
Why it matters
Not resized behind your back
The image keeps the pixel dimensions it arrived with unless you set a longest edge yourself. A smaller number on a smaller picture is not a saving.
The photograph stays a photograph
This re-encodes the original pixels. It does not trace them into flat shapes, which is what turns a sky into stripes.
A result that is not better is labelled
A photograph re-saved as PNG is often larger than it started. When that happens the page says so and says what to try instead.
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Questions
How do I convert JPG to JPG?
Drop your JPG into the box at the top of this page and press Convert to JPG. The conversion runs in your browser in a few seconds. Check the result, then download a JPG.
What is the best compress JPG converter?
One that gives you a clean, stylised version of your photo that looks drawn on purpose, shows the result before you pay, and does not upload your file. That is what this page is built to do.
Will my JPG get smaller in pixels?
No, not unless you set a longest edge.
Is my photo uploaded?
No. It is compressed in your browser.
Will the image get smaller in pixels?
No, not unless you ask. The longest-edge box is zero by default, which means keep the size.
Why is my PNG not getting smaller?
PNG is lossless, so quality does nothing to it. The saving available in a browser is reducing the number of colours, which is the Colours slider, or saving as JPEG if the image has no transparency.
Is the file uploaded anywhere?
No. It is read by this page and never leaves the machine.
Related tools: JPEG Compressor · JPG Grid Maker · Convert Image to Black and White · Rotate and Flip Image · Background Remover · SVG Optimizer · Image to SVG
