Dev tools · alternatives · 2026

24 alternatives to UnderByte

Compress images and PDFs to exact size limits

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   MB2kB▲108

   Compress image or PDF to any specific size from MB to kB

   2023 · mb2kb.com · its alternatives →

2. 2
   100kb.in▲4

   Secure and lightning-fast PDF & image tools

   Jun 2026 · 100kb.in · its alternatives →

3. 3
   Free PDF Compressor▲7

   Compress pdf to 200kb online

   2025 · its alternatives →

4. 4
   img.onl▲79

   A fast and easy way to share images anywhere 🖼️

   2019 · img.istreetview.com · its alternatives →

5. 5
   PDF Compressor – Reduce Size▲2

   Compress & resize PDF offline — no cloud, no sign-in

   Mar 2026 · play.google.com · its alternatives →

6. 6
   1MB Compress▲1

   100% secure and free online compression, productivity tools

   Mar 2026 · 1mbcompress.com · its alternatives →

7. 7
   Free PDF Compressor Tool▲5

   Compress PDFs to 200KB for government & job forms (free)

   Jan 2026 · compresspdfto200kb.online · its alternatives →

8. 8
   CompressPdf▲1

   Compress PDFs up to 90% smaller — free, fast, and private

   Jul 2026 · compress-pdf.site · its alternatives →

9. 9
   Free PDF Compress Online▲6

   Reduce File Size Online

   2025 · compress-pdf.app · its alternatives →

10. 10
    Minipic - Compress Images Superfast▲51

    Your pics converted & compressed to multiple formats locally

    2024 · its alternatives →

11. 11
    Image Compressor - Compress Photos▲6

    Reduce file size from mb to kb online free

    2025 · pixoate.com · its alternatives →

12. 12
    ShrinkFile▲11

    Upload → 766x compression → Same quality. It's magic.

    2025 · its alternatives →

13. 13
    PDF Ready: Compress, scan & prepare PDFs

    Compress PDFs for strict upload limits from your Android

    May 2026 · play.google.com · its alternatives →

14. 14
    Sukat▲3

    Compress Images to a Target File Size

    May 2026 · sukatapp.com · its alternatives →

15. 15
    BitePDF▲2

    See your compressed PDF before you pay

    May 2026 · bitepdf.com · its alternatives →

16. 16
    SmartWish.online

    Compress photos to exact 20KB or 50KB, free & no signup

    Sep 2026 · smartwish.online · its alternatives →

17. 17
    ImageLinko▲2

    Free image compressor compress to 200KB, 100KB or 20KB

    Jul 2026 · imagelinko.com · its alternatives →

18. 18
    PicoPDF

    Shrink PDFs for email. Free, private, runs in your browser.

    Apr 2026 · picopdf.com · its alternatives →

19. 19
    ImageTight

    Compress any image to WebP/AVIF. Free. No upload limits Ever

    Apr 2026 · imagetight.com · its alternatives →

20. 20
    PixelZip▲1

    Compress images to an exact file size

    Aug 2026 · pixelzip.top · its alternatives →

21. 21
    PDF Shrink ▲1

    Compress PDFs to an exact dimension, free, fast and private.

    Jul 2026 · its alternatives →

22. 22
    Shrinkly▲2

    Compress images to the exact size you need

    Sep 2026 · shrinkly-livid.vercel.app · its alternatives →

23. 23
    Tinyfile▲4

    Compress without visible quality loss. No internet required.

    Mar 2026 · tinyfile.app · its alternatives →

24. 24
    Images, PDF, Video, Audio▲2

    Compressing in One

    May 2026 · compressall.online · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →