Photographed your certificate or ID card and the form wants a PDF under 50 KB? Add the photo here — the limit is pre-set — and you'll get the clearest PDF that fits.
Tips for the best result
- Crop the photo to just the document edges first; background wastes precious kilobytes.
- One image per PDF works best at 50 KB.
- Take the photo in daylight without flash to avoid glare spots.
How to convert JPG to PDF under 50 KB
- Click Select images or drop your JPG, PNG or other photos.
- Drag to reorder and use ↻ to rotate any photo.
- Choose page size, orientation and margin (A4 with a small margin is a good default).
- Click Convert to PDF and download.
Why use PDFNest to convert JPG to PDF under 50 KB
- Many images, one PDFCombine all your photos into a single PDF in the order you choose.
- Fits formsSet a maximum size like 100 KB and we make the PDF fit.
- Phone photos fixedPhotos taken sideways on a phone are turned the right way automatically.
- PrivateYour photos are converted on your device and never uploaded.
Frequently asked questions
How do I convert a JPG to a PDF under 50 KB?
Add your image, keep the 50 KB limit and tap Convert to PDF. The result shows its size before you download.
My PDF is a little over 50 KB. What now?
Crop the image tighter or use one image only. If it still doesn't fit, compress the result with Compress PDF to 50 KB and tick black & white.
How do I convert multiple JPGs into one PDF?
Select all your images at once (or add more with the + card), arrange them in order, and click Convert to PDF. All images end up in one PDF, one image per page.
How do I convert JPG to PDF under 100 KB?
Under File size choose "Under a size limit", type 100 and keep KB selected. The converter reduces the image quality just enough to fit — great for exam and job application forms.
Which image formats can I use?
JPG/JPEG, PNG, WEBP, GIF and BMP work in every modern browser. iPhone HEIC photos work in Safari; in other browsers, set your iPhone camera to "Most Compatible" or convert them to JPG first.
Step-by-step guide: How to convert photos (JPG) to PDF on your phone
Read the guide