Zamzar API vs XnConvert

Zamzar API9.0Visit XnConvert8.7Visit

Higher score Zamzar API #3 in File Conversion Software 9.0/10 Free plan Free plan✓ 0 of 4 features Visit Zamzar API

vs

XnConvert #6 in File Conversion Software 8.7/10 Free plan Free plan✓ 0 of 4 features Visit XnConvert

• Zamzar API fits best

  Large-scale API conversion across many formats

• XnConvert fits best

  Automated professional image conversion

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Side by side

Feature	Zamzar API 9.0/10 Visit ↗	XnConvert 8.7/10 Visit ↗
At a glance
Editor score	9.0	8.7
Ranking	#3 in File Conversion Software	#6 in File Conversion Software
Best for	Large-scale API conversion across many formats	Automated professional image conversion
Pricing model	Free plan + paid	Free plan + paid
Starting price	—	€9/unit one-time
Free plan	✓	✓
Free trial	—	—
Deployment	Cloud	Desktop
Support	Email, Tickets, Docs	Community, Docs
Built for	Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features Zamzar API 0/4 · XnConvert 0/4
Batch conversion	Not checked yet	Not checked yet
Cloud conversion	Not checked yet	Not checked yet
API access	Not checked yet	Not checked yet
OCR conversion	Not checked yet	Not checked yet
Specs
Max file size	Not checked yet	Not checked yet
Deployment	Not checked yet	Not checked yet
Our review
Pros	Converts files between more than 1,100 formats asynchronously Supports HTTP, FTP, SFTP, and Amazon S3 transfers Includes PDF-to-TXT and PDF-to-CSV extraction workflows	Processes more than 500 input formats and exports to about 70 formats Combines more than 80 image-processing actions into reusable presets Automates recurring work with watched folders and batch operations
Cons	The service is API-only, with no listed desktop or web app TestFree limits files to 1 MB and stores them for 1 day Paid plans start at $25 per month	Commercial company use requires a one-time license Desktop application runs locally rather than as a web service Focused on image conversion and processing rather than broader file types
Our verdict	Zamzar API is a cloud-based REST API for asynchronous file-conversion jobs. It is designed for developers and teams building document, image, audio, video, CAD, or eBook conversion into software workflows. The API supports more than 1,100… Read the review →	XnConvert is a desktop batch image converter for photographers, creative teams, and other users processing large collections of photos or graphics. It runs locally on Windows, macOS, and Linux, supporting more than 500 input formats and… Read the review →

Strengths and trade-offs

• Zamzar API — where it wins

  • Converts files between more than 1,100 formats asynchronously
  • Supports HTTP, FTP, SFTP, and Amazon S3 transfers
  • Includes PDF-to-TXT and PDF-to-CSV extraction workflows

  Where it doesn't

  • The service is API-only, with no listed desktop or web app
  • TestFree limits files to 1 MB and stores them for 1 day
  • Paid plans start at $25 per month

• XnConvert — where it wins

  • Processes more than 500 input formats and exports to about 70 formats
  • Combines more than 80 image-processing actions into reusable presets
  • Automates recurring work with watched folders and batch operations

  Where it doesn't

  • Commercial company use requires a one-time license
  • Desktop application runs locally rather than as a web service
  • Focused on image conversion and processing rather than broader file types

• Zamzar API9.0/10 · Free plan

  A broad, asynchronous conversion API with flexible imports, exports, and extraction workflows.

  Visit Zamzar APIFull verdict →
• XnConvert8.7/10 · Free plan

  A local batch converter with broad format support, automation, metadata tools, and RAW conversion.

  Visit XnConvertFull verdict →