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https://github.com/unidoc/unipdf

Golang PDF library for creating and processing PDF files (pure go)
https://github.com/unidoc/unipdf

golang pdf pdf-compression pdf-document-processor pdf-generation pdf-generator pdf-library pdf-manipulation pdf-reader pdf-reports pdf-sign signing text-extraction

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Golang PDF library for creating and processing PDF files (pure go)

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README 

        
# UniPDF - PDF for Go



[UniDoc](http://unidoc.io) UniPDF is a PDF library for Go (golang) with capabilities for

creating and reading, processing PDF files. The library is written and supported by 

[FoxyUtils.com](https://foxyutils.com), where the library is used to power many of its services. 



[![GitHub (pre-)release](https://img.shields.io/github/release/unidoc/unipdf/all.svg)](https://github.com/unidoc/unipdf/releases)

[![License: UniDoc EULA](https://img.shields.io/badge/license-UniDoc%20EULA-blue)](https://unidoc.io/eula/)

[![ApiDocs](https://img.shields.io/badge/godoc-reference-blue.svg)](https://apidocs.unidoc.io/unipdf/latest/)



## Features



- [Create PDF reports](https://github.com/unidoc/unipdf-examples/blob/master/report/pdf_report.go). Example output: [unidoc-report.pdf](https://github.com/unidoc/unipdf-examples/blob/master/report/unidoc-report.pdf).

- [Table PDF reports](https://github.com/unidoc/unipdf-examples/blob/master/report/pdf_tables.go). Example output: [unipdf-tables.pdf](https://github.com/unidoc/unipdf-examples/blob/master/report/unipdf-tables.pdf).

- [Invoice creation](https://unidoc.io/news/simple-invoices)

- [Styled paragraphs](https://github.com/unidoc/unipdf-examples/blob/master/report/pdf_formatted_text.go)

- [Merge PDF pages](https://github.com/unidoc/unipdf-examples/blob/master/pages/pdf_merge.go)

- [Split PDF pages](https://github.com/unidoc/unipdf-examples/blob/master/pages/pdf_split.go) and change page order

- [Rotate pages](https://github.com/unidoc/unipdf-examples/blob/master/pages/pdf_rotate.go)

- [Extract text from PDF files](https://github.com/unidoc/unipdf-examples/blob/master/extract/pdf_extract_text.go)

- [Text extraction support with size, position and formatting info](https://github.com/unidoc/unipdf-examples/blob/master/text/pdf_text_locations.go)

- [PDF to CSV](https://github.com/unidoc/unipdf-examples/blob/master/text/pdf_to_csv.go) illustrates extracting tabular data from PDF.

- [Extract images](https://github.com/unidoc/unipdf-examples/blob/master/extract/pdf_extract_images.go) with coordinates

- [Images to PDF](https://github.com/unidoc/unipdf-examples/blob/master/image/pdf_images_to_pdf.go)

- [Add images to pages](https://github.com/unidoc/unipdf-examples/blob/master/image/pdf_add_image_to_page.go)

- [Compress and optimize PDF](https://github.com/unidoc/unipdf-examples/blob/master/compress/pdf_optimize.go)

- [Watermark PDF files](https://github.com/unidoc/unipdf-examples/blob/master/image/pdf_watermark_image.go)

- Advanced page manipulation:  [Put 4 pages on 1](https://github.com/unidoc/unipdf-examples/blob/master/pages/pdf_4up.go)

- Load PDF templates and modify

- [Form creation](https://github.com/unidoc/unipdf-examples/blob/master/forms/pdf_form_add.go)

- [Fill and flatten forms](https://github.com/unidoc/unipdf-examples/blob/master/forms/pdf_form_flatten.go)

- [Fill out forms](https://github.com/unidoc/unipdf-examples/blob/master/forms/pdf_form_fill_json.go) and [FDF merging](https://github.com/unidoc/unipdf-examples/blob/master/forms/pdf_form_fill_fdf_merge.go)

- [Unlock PDF files / remove password](https://github.com/unidoc/unipdf-examples/blob/master/security/pdf_unlock.go)

- [Protect PDF files with a password](https://github.com/unidoc/unipdf-examples/blob/master/security/pdf_protect.go)

- [Digital signing validation and signing](https://github.com/unidoc/unipdf-examples/tree/master/signatures)

- CCITTFaxDecode decoding and encoding support

- JBIG2 decoding support



Multiple examples are provided in our example repository https://github.com/unidoc/unipdf-examples.



Contact us if you need any specific examples.



## Installation

With modules:

~~~

go get github.com/unidoc/unipdf/v3

~~~



## License key

This software package (unipdf) is a commercial product and requires a license code to operate.



To Get a Metered License API Key in for free in the Free Tier, sign up on https://cloud.unidoc.io



## How can I convince myself and my boss to buy unipdf rather using a free alternative?



The choice is yours. There are multiple respectable efforts out there that can do many useful things.



In UniDoc, we work hard to provide production quality builds taking every detail into consideration and providing excellent support to our customers.  See our [testimonials](https://unidoc.io) for example.



Security.  We take security very seriously and we restrict access to github.com/unidoc/unipdf repository with protected branches and only the founders have access and every commit is reviewed prior to being accepted.



The profits are invested back into making unipdf better. We want to make the best possible product and in order to do that we need the best people to contribute. A large fraction of the profits made goes back into developing unipdf.  That way we have been able to get many excellent people to work and contribute to unipdf that would not be able to contribute their work for free.



## Contributing



If you are interested in contributing, please contact us.



## Go Version Compatibility



Officially we support three latest Go versions, but internally we would test the build with up to five latest Go versions in our CI runner.



## Support and consulting



Please email us at [email protected] for any queries.



If you have any specific tasks that need to be done, we offer consulting in certain cases.

Please contact us with a brief summary of what you need and we will get back to you with a quote, if appropriate.



## License agreement



The use of this software package is governed by the end-user license agreement 

(EULA) available at: https://unidoc.io/eula/