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SizePort

Free image converter

Change the format a portal or app is asking for: JPG, PNG, WebP, GIF or PDF, plus iPhone HEIC photos and DPI. Convert single files or whole batches, right in your browser.

To format

5 tools
ConvertConvert to JPG
.jpg
ConvertConvert to PNG
.png
ConvertConvert to WebP
.webp
ConvertConvert to JPEG
.jpeg
ConvertConvert to GIF
.gif

Format to format

7 tools
ConvertPNG to JPG
PNG → JPG
ConvertWebP to JPG
WebP → JPG
ConvertJPG to PNG
JPG → PNG
ConvertJPG to WebP
JPG → WebP
ConvertPNG to WebP
PNG → WebP
ConvertWebP to PNG
WebP → PNG
ConvertGIF to JPG
GIF → JPG

File converters

6 tools
ConvertJPEG to JPGFix the file extension for forms
.jpeg → .jpg
ConvertHEIC to JPGiPhone photos
iPhone
ConvertDPI ConverterChange image DPI for forms and print
72 → 300 DPI
ConvertImage to PDF
.pdf
ConvertPDF to ImageSoon
.pdf → .jpg
ConvertSVG to PNGSoon
.svg → .png

JPG to PDF under a size limit

9 tools
ConvertJPG to PDF under 200 KB
< 200 KB
ConvertJPG to PDF under 100 KB
< 100 KB
ConvertJPG to PDF under 300 KB
< 300 KB
ConvertJPG to PDF under 500 KB
< 500 KB
ConvertJPG to PDF under 1 MB
< 1 MB
ConvertJPG to PDF under 50 KB
< 50 KB
ConvertJPG to PDF under 150 KB
< 150 KB
ConvertJPG to PDF under 2 MB
< 2 MB
ConvertJPG to PDF under 400 KB
< 400 KB

Change DPI

3 tools
Convert300 DPI
300 DPI
Convert200 DPI
200 DPI
Convert600 DPI
600 DPI

Guide

Which format should you convert to?

Pick the format by where the image is going. Forms, email and print shops almost always want JPG, which keeps photos small; PNG to JPG and JPEG to JPG cover the two most common cases, and iPhone photos go through HEIC to JPG. Logos, screenshots and anything with a transparent background belong in PNG. Websites load fastest with WebP, and simple graphics with few colors can go to GIF. Documents that must arrive as one file go into a PDF, and when a form sets a limit, a page such as JPG to PDF under 200 KB keeps the whole file under it. If a form asks for 200 or 300 DPI, the DPI converter sets it.

Converting never adds quality that was lost before, so convert from the best original you have. Every converter here works on batches, keeps the width and height, and runs in your browser.

FormatBest forTransparency
JPG / JPEGPhotos, forms, emailNo
PNGLogos, screenshotsYes
WebPWebsitesYes
GIFSimple graphicsOn or off
PDFDocuments, several pagesNo

FAQ

Good to know

Yes. Every converter is free, with no watermark and no signup.

JPG for photos you upload or email, PNG for screenshots and logos, WebP for websites, and PDF when a form wants one document.

Yes. Every converter accepts batches and gives you a ZIP.

The width and height stay the same. The file size in KB changes with the format.

Yes. The converters run in mobile browsers on Android and iPhone.

Converting to PNG keeps every pixel. Converting to JPG or WebP saves at a high quality setting, so photos look the same; repeated conversions between lossy formats lose a little each time, so always start from the original.

Yes. The HEIC to JPG converter decodes them in your browser and saves them as JPG at full resolution.

Up to 25 MB per image. For PDFs, add as many images as your batch allows; each one becomes a page.

No. Conversion runs on your device.