Dev tools · alternatives · 2026

24 alternatives to ConvertAPI

High-Performance File Conversion API

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. ConvertAPI launched in 2020; newer entries below may have overtaken it.

1. 1
   ConvertHub▲53

   Hi HN, I've built a lightweight file conversion API as a side project - Supports 100+ formats - REST API with PHP + JS SDKs - White-label frontend + backend available feedback welcome!

   2025 · converthub.com · its alternatives →

2. 2
   Fast PDF Conversion▲8

   Convert 30+ file formats to PDF via API

   2025 · its alternatives →

3. 3
   Converter AIO▲91

   All in one free converters- image, video, audio & doc

   2023 · its alternatives →

4. 4
   Conversion AI▲89

   Find the right tools to convert almost any file

   2015 · conversionai.com · its alternatives →

5. 5
   Doc Converter – Convert PDF docs to Word documents on your computer▲74

   A desktop application to convert PDF documents to Word (docx) documents. Download for Windows, Mac and Linux

   2023 · docconverter.app · its alternatives →

6. 6
   Word.to▲76

   Word to PDF, Word to HTML, Word Counter and much more

   2020 · word.to · its alternatives →

7. 7
   QuixVert▲72

   Online file converter

   2023 · its alternatives →

8. 8
   Hidocs Document Converter▲6

   An Advanced Document Converter

   2020 · its alternatives →

9. 9
   ConvertingHub▲1

   Free All-in-One File Converter & PDF Tools

   Aug 2026 · convertinghub-official.web.app · its alternatives →

10. 10
    DocuConvert▲7

    AI/File Conversion/PDF/MARKDOWN/HTML/DOC

    2025 · its alternatives →

11. 11
    ProConvertAPI▲6

    Document & Image API with AI superpowers ⚡

    Jan 2026 · proconvertapi.com · its alternatives →

12. 12
    Convert Pro▲2

    Convert, pdf tools, ai tools, file convert, ai upscale, ocr

    Jun 2026 · apps.microsoft.com · its alternatives →

13. 13
    PDF smart converter▲3

    The perfect solution for all your PDF conversion needs.

    2023 · play.google.com · its alternatives →

14. 14
    Fast PDF to Word Doc Converter▲12

    Batch Convert PDF to Office, TXT, HTML

    2024 · apps.apple.com · its alternatives →

15. 15AA
    Api2Pdf, an API for Converting HTML, URLs, and Office Docs to PDF▲9

    Simplest and cheapest REST API to generate PDF from HTML, Office Docs, and merge PDFs

    2018 · api2pdf.com · its alternatives →

16. 16
    Word.to – Word to PDF, Word to JPG, Word to HTML▲10

    WORD.to converts Word documents (DOC, DOCX) to PDF, JPG, PNG, Excel, and 100+ formats. Edit, merge, compress, and split Word files online for free. No software installation required.

    2020 · word.to · its alternatives →

17. 17
    PDF Converter API▲4

    Convert PDF to DOCX, XLSX, PNG, etc, and convert to PDF

    2020 · pdf.to · its alternatives →

18. 18
    PDF to Office Converter Pro▲9

    Offline batch convert PDF to Word, Excel, PPT

    2024 · apps.apple.com · its alternatives →

19. 19
    File Converter With Preview▲3

    Convert files to other formats.

    2022 · fcwp-fc371.web.app · its alternatives →

20. 20
    PDF Converter Android App▲3

    Convert Word to PDF, Excel to PDF and PowerPoint to PDF.

    2018 · play.google.com · its alternatives →

21. 21
    Convertio▲4

    Convert your files to any format, API for audio, video, text

    2020 · convertio.co · its alternatives →

22. 22
    PDF Multi-Format Converter▲2

    Free PDF converter for Office images and ebooks

    Jun 2026 · 658137.xyz · its alternatives →

23. 23
    Convertio▲11

    Your Free Online File Conversion Tool

    2025 · convertio.info · its alternatives →

24. 24
    convert-from.net▲1

    Free Online Converter for PDF, Documents, Images and More

    Aug 2026 · convert-from.net · 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 →