Compress images & PDFs.
Meet the KB limit.
Reduce an image or a PDF to 200 KB, 100 KB or the maximum file size your form allows.
01 / INPUTThe image or PDF that’s too big.
JPG, PNG or WebP · up to 20 MB / 40 megapixels
PDF · up to 50 MB / 100 pages
Images become JPG; PDFs stay PDF. Transparent areas become white. PDF pages are redrawn as images at the chosen resolution, so text can no longer be selected or searched. A smaller KB limit can reduce detail; inspect the result before submitting it.
02 / OUTPUTSmall enough to send.
The details, in plain language.
Enter the maximum allowed size. “200 KB” means the downloaded JPEG will be at most 200 × 1,024 bytes; it need not be exactly that size. If a form uses decimal KB, choose a slightly lower limit.
The tool adjusts JPEG quality and, if you allow it, image dimensions. A width setting is a maximum, not an instruction to enlarge the original. Tiny targets cannot preserve every detail.
For a PDF, the limit applies to the whole file. Each page is rendered at the resolution you choose (150 DPI is a good default for documents; 100 DPI or less for tight limits), saved as a JPEG and placed in a new PDF with the original page sizes. If the file is still too big, the tool lowers JPEG quality and then, if you allow it, the resolution. Text, links, forms and bookmarks do not survive; keep your original.
JPEG output does not preserve the source’s transparency, animation or original metadata. This version handles one image or PDF at a time. For iPhone HEIC photos, first use HEIC Convert to make a JPG.
What does Image Fit do?
Image Fit is a free image and PDF compressor with a target file-size setting. Choose a JPG, PNG, WebP or PDF, enter a maximum in KB and download a JPG or a smaller PDF. Processing happens in your browser; the file is not uploaded.
Image Fit at a glance
| Input | One JPG, PNG or WebP (up to 20 MB, 40 megapixels), or one PDF (up to 50 MB, 100 pages) |
|---|---|
| Output | Images become a JPG. PDFs stay a PDF, with each page redrawn as a JPEG image. |
| Size unit | 1 KB = 1,024 bytes; the limit is a maximum, not an exact size |
| Trade-offs | Transparency and animation are lost. In PDFs, text is no longer selectable and links, forms and bookmarks are removed. |
| Upload | None. Files are processed in this browser tab. |
| Price and account | Free. No sign-up, no subscription. |
Background reading: How to compress an image to 200 KB · How to compress a PDF for an upload portal
How to compress an image or PDF to your file-size limit
Choose your image or PDF.
Select one JPG, PNG or WebP (up to 20 MB and 40 megapixels) or one PDF (up to 50 MB and 100 pages) from your device.
Enter the file-size limit.
Type 200 for a 200 KB target, 100 for 100 KB, or another limit. Add a maximum width if required, or for a PDF a resolution in DPI (150 suits most documents). Leave the reduction option on when smaller dimensions or a lower resolution are acceptable.
Compress, inspect and download.
Click Make it fit. Check the reported size, dimensions and image preview. Download the JPG or PDF when the result is ready, then check that your form accepts it.
When this tool helps
An application form rejects your photo
Enter the form’s maximum file size instead of guessing JPEG quality. If the form also specifies pixel dimensions, set a maximum width and inspect the final size. This tool does not crop or validate passport-photo rules.
An email attachment or web image is too large
Use a smaller KB target for one photo or screenshot. Lower limits can blur text or fine details. Keep your original, and inspect the fitted image before sending it.
An upload portal rejects a large PDF
Scanned documents and photographed receipts often exceed a 1 MB or 2 MB portal limit. Enter the limit and a resolution; pages are redrawn as images so the PDF fits. Keep the original when someone needs to select or search its text.
Image Fit questions, answered
How do I compress an image to 200 KB or 100 KB?
Choose the image, enter 200 or 100 in Maximum file size (KB), leave dimension reduction enabled if suitable, and click Make it fit. The tool adjusts JPEG quality and may reduce dimensions. Inspect the reported output size before downloading.
Does 200 KB mean exactly 200 KB?
No. It is a maximum target of 200 × 1,024 bytes, not an exact size. If a form uses decimal KB, choose a slightly lower target, such as 195 KB for a 200,000-byte limit.
Can I reduce a PNG or WebP below the limit?
Yes, supported PNG and WebP images are converted to JPEG. The output is JPG; transparent areas become white. It does not create a smaller PNG or preserve transparency.
Can I compress without losing quality?
JPEG compression is lossy. The tool searches quality settings and can reduce dimensions to meet the target. Very small targets may lose detail or be impossible under your chosen settings; check the preview and any error message.
Can I reduce a PDF to a KB limit?
Yes. Choose the PDF, enter the maximum file size and a resolution in DPI, and click Make it fit. Every page is turned into an image at that resolution, so the result looks like a scan: text is no longer selectable, and links and form fields are removed. Up to 100 pages and 50 MB.
Are HEIC, animated images or batch compression supported?
This version accepts one JPG, PNG, WebP or PDF file at a time. It does not read HEIC directly: convert iPhone photos with HEIC to JPG first. Batch processing is not supported, and JPEG output does not preserve animation or original metadata.
Is my photo or PDF sent to a server?
No. The browser reads the selected file locally and creates the JPG or PDF on your device. UnjamKit does not upload the file or store a copy. Downloaded files remain subject to your browser and device settings.
Another small fix?
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