Rekto DigitalFree toolsCompress PDF to 150 KB
Compress a PDF to 150 KB
Updated October 28, 2026 · Free, no sign-up, no upload
Admission, scholarship and recruitment portals often allow 150 KB per document. Choose your PDF and get the clearest version that fits under 150 KB, made in your browser so the file never leaves your device.
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How to compress a PDF to 150 KB
- Choose your PDF. Pick it or drop it on the box.
- Check the size. 150 KB is already selected; choose another from the list if your form allows more or less.
- Compress. The smaller PDF downloads straight away, and the status line shows the new size.
We tested it: three PDFs compressed to 150 KB
Tested on October 28, 2026 with a CV with a photo (3 pages, 1.3 MB), a phone scan of a certificate (4 pages, 1.3 MB) and a brochure full of photos (6 pages, 3.6 MB). ppi: pixels per inch of the redrawn pages.
| After | ppi | How it reads | |
|---|---|---|---|
| CV, 3 pages | 147 KB | 96 | Sharp, small print too |
| Scan, 4 pages | 132 KB | 81 | Clear |
| Brochure, 6 pages | 124 KB | 72 | Clear |
At 150 KB the 4-page scan reads as “clear” at 81 ppi. In Black and white it came out at 131 KB instead of 132 KB, at the same 81 ppi, so keeping colour costs almost nothing.
Typed documents of three to six pages, or about four scanned pages, fit under 150 KB and stay clear. How the PDF compressor works.
How many pages fit in 150 KB?
| Pages | 150 KB |
|---|---|
| Typed pages (no photos) | 3–6 |
| Scanned pages, still clear | 4 |
A 150 KB limit sits between the one-page 100 KB uploads and roomier 200 KB ones: enough for a two-sided ID, or a certificate with its back page, in full colour so stamps keep their colour. See the official limits for SSC, IBPS, SBI, NEET, JEE and GATE.
Tips for a clear, small PDF
- Two-sided ID cards fit in one 150 KB PDF with room to spare.
- Keep colour for stamps and seals; Black and white barely changes the size.
- Close to the limit? Remove a blank last page; scanners often add one.
Questions
How do I compress a PDF to 150 KB?
Choose your PDF on this page, keep 150 KB selected and press Compress PDF. You get the best-quality PDF that fits, free, with no sign-up and no watermark.
Should I pick colour or Black and white for 150 KB?
Colour, in most cases. In our tests Black and white made files only about 1% smaller at the same sharpness, so pick it only if the form asks for a black and white copy.
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