Alternatives

Products that do what Sunasty does

137 file tools that run in your browser, not the cloud

1. 1
   Local & Lonely▲1

   Your files and data never leave your device.

   Apr 2026 · localonely.com

2. 2
   Sinsubir▲11

   Convert & edit files 100% in your browser

   Jul 2026 · sinsubir.com

3. 3FC
   File converters and 75 tools that run in the browser▲6

   Most file converter sites upload your files to their servers. File Converter Free runs everything client-side using WebAssembly — your files never leave your device. 215+ formats across conversion and compression, 75+ browser-based tools for PDF, dev utilities, text, calculators and network diagnostics — all available in 9 languages. Built this solo. What tools do you wish ran client-side but currently don't? https://file-converter-free.com/en/tools

   Mar 2026

4. 4
   Filesty▲3

   Free file tools that work entirely in your browser

   Apr 2026 · filesty.com

5. 5
   Offline File Converter▲8

   Convert files in your browser, nothing is uploaded, ever.

   Jul 2026 · offlinefileconverter.com

6. 6
   Fileora — Free Online File Tools▲1

   Free file tools that run entirely in your browser

   May 2026 · fileora.tech

7. 7
   ConvertKoro▲3

   Free PDF & image tools that never upload your files

   25d ago · convertkoro.com

8. 8
   NothingLeaves▲2

   Free browser tools that never touch your files

   Feb 2026

9. 9
   MoguanPDF▲4

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

   Jul 2026 · moguanpdf.com

10. 10
    ToolCrisp▲1

    85 free browser tools your files never leave your device

    Mar 2026 · toolcrisp.com

11. 11
    Toolyard▲4

    56 free browser tools — your files never leave your device

    Jul 2026 · gettoolyard.com

12. 12
    keptlocal▲3

    Files never leave your browser

    Jun 2026 · keptlocal.com

13. 13
    imagenimble▲2

    46 image tools that run in your browser, not on a server

    5d ago · imagenimble.com

14. 14
    Free Online Tools( no sign up)▲4

    130+ free tools that run entirely in your browser.

    Jul 2026 · tools.aliontechstudio.com

15. 15
    Convertful

    Free file tools that run entirely in your browser

    Apr 2026 · convertful.app

16. 16
    ZenTools▲2

    13 free browser-native tools; your files never leave.

    Jul 2026 · tools.zenwebx.com

17. 17
    ConvertKr▲2

    Free PDF & image tools that never upload your files

    Apr 2026 · convertkr.com

18. 18
    1FileTool▲4

    Compress, convert, merge files — all 254 tools, all offline

    Apr 2026 · 1filetool.com

19. 19
    Transfyle▲1

    Free file converter — your files never leave your device

    May 2026 · transfyle.com

20. 20
    fileGOD▲3

    PDF, Image, QR Tools With a Simple Promise: No Uploads, Ever

    Jun 2026 · filegod.app

21. 21
    ToolZip▲1

    Free browser-based tools — files never leave your device

    4d ago · toolzip.app

22. 22
    FixIt Localy▲2

    PDF & file tools - files never leave your browser

    May 2026 · fixitlocaly.com

23. 23
    shrink.run▲2

    Private file tools that never upload your files

    6d ago · shrink.run

24. 24
    MV Tools▲5

    Local-first Cloud-to-Cloud Transfer, Sync & Backup

    Jan 2026

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