Compress PDF API

Quickly compress PDFs with our secure and scalable compress PDF API while preserving quality.

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Trusted and valued by some of the biggest brands

Flexibility of Custom API Workflows

Combine different API functions through interdependent tasks to unlock the full potential of our API

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# You can also use wget
curl -X POST https://api.freeconvert.com/v1/process/import/upload \
  -H 'Accept: application/json' \
  -H 'Authorization: Bearer {access-token}'

Learn more by reading our API documentation.

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PDF Workflows

Our API is built robustly to handle complex PDF compression needs. You can create multiple tasks within a compression job to create complex workflows. For example, you can compress and then convert to other document formats.

Webhook Support

We support both asynchronous and synchronous calls to our API. Easily create multiple, non-blocking asynchronous PDF compression tasks and get notified of their progress using Webhooks or WebSocket API endpoints.

Import From Anywhere

Whether your PDFs are stored on a bare metal server or a cloud provider such as S3, Google Cloud Storage, or Azure, our secure and robust compress PDF API allows seamless importation from the source location.

Well-documented

We’ve documented our API with developers in mind. Read our API Getting Started guide to understand how you can import, compress, and export PDFs using the API. We also have endpoints for you to fetch available advanced options.

File Security

Your file security is important to us. We use container isolation and ISO 27001-certified data centers to protect your PDFs. Each PDF is transferred securely via SSL and automatically removed from our system after conversion.

Advanced Options

Fine-tune your compressions by utilizing our PDF compression advanced options. From compression level to gray scaling, we support several PDF compression options to create perfect output PDFs.

Export to Anywhere

After compressing your PDFs using our compress PDF API, effortlessly export them to S3, Google Cloud Storage, or Azure. Alternatively, generate a URL export for convenient downloading from any location.

Proven & Reliable

From SaaS to mobile applications, our API is used by developers to seamlessly compress PDFs without worrying about PDF compression infrastructure. Founded in 2018, we now process 1 Million+ files daily.

World-class File Conversion Without The Complexity

Let us handle the complexities of file conversion and compression so that you can focus on your application.

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