Dev tools · alternatives · 2026

24 alternatives to ConvertKoro

Free PDF & image tools that never upload your files

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
   ConvertKr▲2

   Free PDF & image tools that never upload your files

   Apr 2026 · convertkr.com · its alternatives →

2. 2
   PDF Tools▲14

   Free browser-based PDF toolkit — no uploads, no sign-up

   2025 · pdf-vert.com · its alternatives →

3. 3
   PDF Tools by Renderlog▲3

   Free PDF tools that never upload your file

   Apr 2026 · its alternatives →

4. 4
   PDFMergely – In-browser PDF tools that never upload your files▲18

   56 free PDF tools that run in your browser: merge, convert, compress, sign, OCR, plus on-device AI. Files never upload, a live meter proves it. Works offline.

   Jun 2026 · pdfmergely.com · its alternatives →

5. 5
   FormatDog▲8

   PDF, image, and Office tools — nothing ever uploaded

   Jul 2026 · formatdog.com · its alternatives →

6. 6
   PDFBase▲1

   Free PDF tools that never upload your files

   Jul 2026 · pdfbase.io · its alternatives →

7. 7
   DocTools Pro▲2

   Unlimited Free Document/Image Processing Tools - no upload

   Jun 2026 · doctoolspro.com · its alternatives →

8. 8
   RemovePDFPassword.in▲3

   28 free PDF tools that never upload your files

   Jun 2026 · removepdfpassword.in · its alternatives →

9. 9
   FileMint — Free Online Tools▲2

   30+ free browser tools for PDF, images & data conversion

   Dec 2025 · filemint.dev · its alternatives →

10. 10
    PDF WithMe▲1

    Private PDF tools that never upload your files

    Aug 2026 · pdfwithme.com · its alternatives →

11. 11
    MoguanPDF▲4

    24 PDF tools, zero uploads. Everything runs in your browser

    Jul 2026 · moguanpdf.com · its alternatives →

12. 12
    PDF Toolkit▲5

    Your files never leave your device. Free PDF tools

    Jul 2026 · pdf-toolkit-9.ai.studio · its alternatives →

13. 13
    PDF For Joy▲2

    Private PDF, Image and QR tools — Your Document, your device

    Aug 2026 · its alternatives →

14. 14
    Sinsubir▲11

    Convert & edit files 100% in your browser

    Jul 2026 · sinsubir.com · its alternatives →

15. 15
    PDF and Image +▲4

    50+ free PDF & image tools — files never leave your browser

    Jun 2026 · pdfandimage.com · its alternatives →

16. 16
    Fast-Vid▲3

    Free file converter that never uploads your files

    Jul 2026 · its alternatives →

17. 17
    Digital Utility Kit▲1

    30 file tools that never upload your files

    Aug 2026 · digitalutilitykit.com · its alternatives →

18. 18
    FreeToolsfr▲7

    Free Online PDF, Image & QR Code Tools

    Jan 2026 · freetoolsfr.com · its alternatives →

19. 19
    PDFDesk — Free Online PDF Tools▲1

    Free PDF tools that never upload your files

    May 2026 · pdfdesk.online · its alternatives →

20. 20
    Pro PDF Tools▲5

    Private PDF tools — your files never leave your device

    Jul 2026 · pdfcompressorunlimited.com · its alternatives →

21. 21
    Fast PDF Tools▲1

    Free PDF tools that never leave your browser

    Jul 2026 · fast-pdf-tools.com · its alternatives →

22. 22
    PDFTools▲10

    Free, private PDF editor — no server uploads, no signup

    Jun 2026 · allaboutpdfediting.xyz · its alternatives →

23. 23
    Puffin Tools▲10

    Convert images, edit PDFs, and transform data — 100% free, 100% private. Your files never leave your computer. No sign-up needed.

    2025 · pufomi.com · its alternatives →

24. 24
    yourbrowsercandoit▲5

    Your browser can do much more than you think.

    Jul 2026 · yourbrowsercandoit.com · 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 →