Before5.8 MBAfter740 KB
Quality80
- Long edge 2048 px
- Remove location data
- Keep the original
PreviewSave a copy
Why your photos are so big
A modern phone camera captures far more detail than most screens can show. That is wonderful for zooming in on a family photo or printing it on a wall, but it means a single picture is often several megabytes. Send twenty of them by email and you hit the attachment limit; upload one to a government form and it is rejected for being "too large".
Most of that size is detail your recipient will never see. A photo shown in a chat, on a web page or inside a document is usually displayed a few hundred to a couple of thousand pixels wide. Everything beyond that is extra weight you are paying for in upload time, mobile data and storage.
Shrinking a photo is not about making it ugly. Done well, it removes the detail nobody can see and keeps the picture looking the same at the size people actually view it.
Everything starts with a right-click
MoLock 2.7 adds smart tools to the Windows right-click menu. Select one image or a whole batch in File Explorer, right-click, and open the MoLock menu. For images you will find:
- Compress — make the file smaller with a quality slider.
- Resize — set a maximum width or height, or a percentage.
- Convert — switch between common formats such as JPEG and PNG.
- Remove location — strip the location data hidden inside the photo.
- Make a PDF — combine the selected images into one document, in the order you choose.
- Share link — upload an end-to-end encrypted copy and get a link to send.
The quality slider, explained
Compression works by simplifying parts of the image that the eye barely notices — subtle colour noise in a clear sky, tiny texture in a wall. The quality slider decides how far to go. Higher quality keeps more of that detail; lower quality throws more away.
The important part is that MoLock shows you the resulting size before you save, along with a preview. Move the slider and watch the number change. You decide with real information instead of trial and error.
Before5.8 MBAfter740 KB
Quality80
- Long edge 2048 px
- Remove location data
- Keep the original
PreviewSave a copy
Some practical guidance:
- High settings are typically indistinguishable from the original at normal viewing sizes and still save a good amount of space.
- Middle settings are often the sweet spot for sharing: much smaller, and still clean on a phone screen.
- Low settings are for when size really matters — a strict upload limit, for example. Check the preview for blotchy areas in skies and faces.
Remove the location before you share
Many phones store the place where each photo was taken inside the file itself — invisible when you look at the picture, but readable by anyone who receives the original file. Share a photo taken in your living room and you may be sharing your home address.
Some apps remove this automatically when you post; many ways of sending a file, like email or a download link, do not. MoLock's Remove location tool strips that hidden information in one click, for one photo or a hundred. It is a good habit for anything you send to people you don't know well, sell online, or post publicly.
The picture shows your living room. The file can show your address.
Several images, one tidy PDF
Scanned a contract with your phone, page by page? Photographed both sides of an ID card for an application? Select the images, right-click, and choose Make a PDF. Put the pages in the right order and you have one document instead of a handful of loose photos — easier to send, easier for the recipient to print, and far less likely to arrive out of order.
For documents you send to offices and forms, combine this with compression: a PDF of a few compressed pages is usually small enough for even strict upload limits.
Dozens of photos at once
The tools are built for real life, which usually means a folder full of pictures rather than one. Select as many images as you like — a whole trip, every page of a scanned document — and run a tool once. The same settings are applied to every file, and each result is saved as a new file, so you can process a batch, check a few of them, and delete the originals only when you are happy.
A sensible routine for a big set of photos is: remove location, resize to the width you need, then compress with a quality you have checked on one or two typical pictures. It takes less than a minute and often shrinks the whole folder dramatically.
Signs you went too far
- Smooth areas such as skies, walls and skin start to look blotchy or banded.
- Fine text in a document becomes fuzzy or gets soft "halos" around letters.
- Sharp edges show faint ghost lines next to them.
If you see any of these in the preview, nudge the slider back up. A slightly larger file that looks right is always better than a tiny one nobody can read.
Quick recipes for everyday situations
| Situation | What to do |
|---|---|
| Chat apps | Most chats already shrink photos. Use MoLock when you want control: resize and compress so the picture stays sharp but small, and remove location first. |
| Resize to a moderate width and use a middle quality. A full set of holiday photos often fits in a single email afterwards. | |
| Web forms and applications | Check the size limit, then lower the quality until the preview number is under it. For multi-page documents, make a PDF. |
| Printing | Don't compress hard and don't shrink the dimensions. Keep the original, or use the highest quality setting. |
| Large files or many photos | Use a share link: the file is encrypted on your PC and the key exists only inside the link. |
Your originals stay safe
Image tools should never surprise you. Save the result as a new copy and keep the original, so you can compare the two and keep whichever you prefer. If you do choose to replace the originals, make sure the pictures that matter to you are backed up first.
Next steps
The Tools page shows everything the right-click menu can do, including video and audio tools, file fingerprints, password encryption and secure deletion. If you also make tutorials, read Screen recording and GIFs without extra apps. For a broader routine, see 10 everyday privacy habits for Windows users. The user guide covers every tool step by step, and MoLock is a free download.