1converter vs Zamzar

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.

Zamzar converts 2 files at a time for free, up to 50 MB each, and is the better pick for rare formats: it lists about 1,200.

Feature comparison

Feature comparison
Feature1converterOur serviceZamzarSince 2006
Prices and limits
File size on the free plan50 MB50 MB
Free conversions10 a day2 files at once
Paid plans fromfrom $9.99/monthfrom $18/month
Formats1691200+
Features
Batch conversionYesYes
APIYesYes
Cloud storage importYesYes
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)

Zamzar

Since 2006

Strengths

  • Established since 2006
  • 1200+ formats supported
  • Desktop app available
  • Email delivery option

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 Zamzar if you

  • need a desktop app
  • want to convert without internet

Made for: Users needing rare format support

Questions and answers

Is 1converter better than Zamzar?
It depends on the job. 1converter supports 169 formats and its free plan gives you 10 a day. Zamzar converts 2 files at a time for free, up to 50 MB each, and is the better pick for rare formats: it lists about 1,200.
Is Zamzar free to use?
Zamzar has a free plan with limits: files up to 50 MB, 2 files at once. Paid plans: from $18/month. The free plan of 1converter gives you 10 a day with files up to 50 MB.
How many formats does Zamzar support?
Zamzar supports about 1200 formats. 1converter supports 169, including images, documents, video, audio and archives.
What is a free alternative to Zamzar?
1converter is a free alternative to Zamzar: 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 Zamzar have an API?
Yes, Zamzar offers an API for developers. 1converter has a developer API too.

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 Zamzar