1converter vs FileStar

A side-by-side look at prices, limits and features, including where we are weaker.

Their figures as of December 2025

Our verdict

1converter has a free plan with no watermarks, and 10 conversions without an account.

FileStar is a Windows app with 5 free conversions a day, and is the better pick if files must never leave your computer.

Feature comparison

Feature comparison
Feature1converterOur serviceFileStarSince 2019
Prices and limits
File size on the free plan50 MBUnlimited
Free conversions10 a day5 a day
Paid plans fromfrom $9.99/month$9.99/month
Formats169200+
Features
Batch conversionYesYes
APIYesNo
Cloud storage importYesNo
Desktop appNoYes
Mobile appNoNo
Works offlineNoYes
No watermarks on free filesYesYes

1converter

Fast, free file conversion in the browser

Strengths

  • Free plan with 10 conversions a day
  • No watermarks on converted files
  • 169 formats supported
  • Private download link, expires after 24 hours on Free
  • First 10 conversions without sign-up
  • Batch conversion on paid plans, up to 50 files at once
  • API access for developers

Weaknesses

  • No desktop app (web only)
  • Needs an internet connection
  • Newer service (since 2024)

FileStar

Since 2019

Strengths

  • Desktop app with offline
  • No file size limits
  • Batch processing
  • Privacy (local processing)

Weaknesses

  • Windows only
  • No web interface
  • No API

Who should choose what

Choose 1converter if you

  • want a free plan with no watermarks
  • would rather not create an account
  • want some image conversions done in your browser, with nothing uploaded
  • need batch conversion and an API

Choose FileStar if you

  • need a desktop app
  • want to convert without internet

Made for: Windows users wanting local processing

Questions and answers

Is 1converter better than FileStar?
It depends on the job. 1converter supports 169 formats and its free plan gives you 10 a day. FileStar is a Windows app with 5 free conversions a day, and is the better pick if files must never leave your computer.
Is FileStar free to use?
FileStar has a free plan with limits: files up to Unlimited, 5 a day. Paid plans: $9.99/month. The free plan of 1converter gives you 10 a day with files up to 50 MB.
How many formats does FileStar support?
FileStar supports about 200 formats. 1converter supports 169, including images, documents, video, audio and archives.
What is a free alternative to FileStar?
1converter is a free alternative to FileStar: 10 a day with a free account and 10 conversions without one, no watermarks, 169 formats. Some image conversions run in your browser, so the file is never uploaded.
Does FileStar have an API?
No, FileStar does not offer an API. 1converter has a developer API.

More comparisons

Ready to try 1converter?

Convert for free: 10 conversions without an account, 10 a day with a free one, no watermarks.

Convert a fileVisit FileStar