Alternatives

Products that do what FastConverter.app does

Convert images instantly in your browser - no uploads.

1. 1AF
   A fast, privacy-first image converter that runs in browser▲48

   Hey HN I built ImageConverter.dev because I got tired of “free” image converter sites that force uploads, or throttle conversions. So I made a tool that runs 100% client-side — meaning your images never leave your device. It’s built for speed, simplicity, and privacy. What it does Convert images between JPG, PNG, WebP Works offline once loaded (PWA support) How it works It uses the Canvas API and WebAssembly to handle conversions directly in the browser. There’s no upload, no tracking, no server costs, and it’s fast even on mid-range devices. Why I built it I wanted an instant, no-ads,…

   Oct 2025 · imageconverter.dev

2. 2
   Free Online File Converter▲94

   Quick and free image file converter

   2020

3. 3
   QuickConvert▲5

   Png Convert HEIC, WebP, JPG & PDF – all in your browser

   Nov 2025 · quik-convert.com

4. 4
   WebP Converter▲17

   Optimize your images

   2025

5. 5
   ImageConverter▲3

   Lightning Fast Image Conversion

   26d ago · imageconverter.tech

6. 6
   Free Online Image Converter▲11

   Convert images to jpg, png, webp & more | themedevhub

   2025

7. 7
   Image Converter▲11

   Instantly convert any image format to JPG, PNG or WEBP

   Oct 2025

8. 8
   PixConverter.io▲7

   Free online image converter | fast & unlimited

   Sep 2025

9. 9
   FastConvert▲1

   Free, private, browser-based PDF & Image converter

   20d ago · fastconvert.tech

10. 10
    ImageConverter▲6

    Free online image & pdf converter tool

    Sep 2025

11. 11
    Free Online Image Converter▲6

    Convert jpg, png, webp & more | imageformat converter

    Oct 2025

12. 12
    Quick Pic Convert▲5

    Free Online Image Converter

    Jan 2026 · quickpicconvert.com

13. 13
    heicconvert.it▲12

    Convert HEIC to JPG, PNG, WebP or AVIF — all in your browser

    2025

14. 14
    Fast WebP Converter▲6

    Convert PNG/JPG to WebP in seconds — fast & free

    2025

15. 15
    Cloudconvert.ai▲4

    Free image converter that runs 100% in your browser

    Jun 2026

16. 16
    Photo Converter ▲3

    Convert images to any formate

    Jul 2026 · apps.apple.com

17. 17
    FlexConvert▲6

    Free private heic to jpg converter

    Nov 2025 · flexconvert.app

18. 18
    PNGConvert▲3

    free image converter .never uploads your files to a server

    Jun 2026 · pngconvert.com

19. 19
    ImageConverter▲3

    Free online image format converter

    2025

20. 20
    SmartImageConvert▲5

    Free online image converter with size and quality control

    Nov 2025 · smartimageconvert.com

21. 21
    TinySharp▲6

    Fast & free image converter tool

    Sep 2025

22. 22
    ImageConvert.pro▲2

    Your images never leave your browser — convert & compress

    May 2026 · imageconvert.pro

23. 23
    QuickConvert▲6

    Free, privacy-focused converter for SVG, PNG, CSV & Excel.

    Jan 2026 · quickconvert.space

24. 24
    SnapLoom - PNG converter▲15

    Free online tools to convert and edit media files

    2025

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