Resize, compress and convert photos
Pick a tool or search. Made for form uploads: exact KB, passport and signature sizes.
You can select many files at once.
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Free online image tools for forms, photos and documents
PixKB.org helps you get a photo or document into the exact size a website asks for. Compress an image to 20 KB, 50 KB or 100 KB, increase a small file to a minimum size, resize in centimetres or pixels, make a passport or signature size, cut one image into several pieces, or turn images into a PDF. Everything runs inside your browser, so your files are not uploaded.
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Frequently asked questions
What is PixKB.org?
PixKB.org is a free set of online image and PDF tools. You can compress a photo to an exact size in KB, resize it in pixels, cm, mm or inches, make passport and signature sizes, convert formats, and work with PDF files.
How do I reduce a photo to 20 KB or 50 KB?
Open the tool for the size you need, choose your photo and press Start. The tool lowers the quality until the file fits under your limit, then you can download it.
Is this tool free? Do I need to sign up?
Yes. It is completely free and you do not need to create an account.
Is my photo uploaded to a server?
No. The work is done inside your own browser on your phone or computer. Your files are not sent to PixKB.org.
Which file types are supported?
Images: JPG, JPEG, PNG and WebP (and AVIF or HEIC when your browser can open them). Documents: PDF, DOCX and XLSX for the PDF tools.