Add a watermark to PDF or Word files or remove previously added watermarks using Ruby

With this Ruby library, developers can add an image or text watermark over PDF or Word document, as well as remove an already added watermark in seconds

Protect your documents from unauthorized distribution and add the watermark online. To do this, just load a PDF, Word or other document format and add a text or image watermark using Ruby. Then save the watermarked PDF or Word document in a convenient format such as DOC, DOCX, PDF, HTML, RTF, XPS and others. You can also remove the watermark from documents to make them easier to process unless it violates anyone's rights.

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Add watermark in Ruby

With this Ruby API, developers can add a watermark to PDF, Word, or other documents online. You can create the watermark using text or an image and then insert that watermark into your PDF or Word document by setting the overlay angle in Ruby.

Note: there is no need to install any third party applications or libraries. Therefore, our Ruby software solution is very easy to use.

Remove watermark in Ruby

The given Ruby SDK is also helpful to remove watermarks. For example, removing a watermark in Word means that you can load the desired Word document stamped with a text or image watermark, remove this watermark from the document using Ruby, and then save the output file in a convenient format.

Watermark in Word or PDF

To evaluate our Ruby API, load the document to which you want to add a watermark and the watermark as an image or text. Then select a convenient export file format – DOCX, PDF, MD, HTML, TXT, DOC, RTF, EPUB, XPS and others.

Use the following example to see how it works:

File needs to add watermarks
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require 'aspose_words_cloud'

AsposeWordsCloud.configure do |config|
    config.client_data['ClientId'] = '####-####-####-####-####'
    config.client_data['ClientSecret'] = '##################'
end
@words_api = WordsAPI.new

request_document = File.open('Input1.docx')
request_image_stream = File.open('Input2.jpg')
request_watermark_data = WatermarkDataImage.new(
    {:Image => AsposeWordsCloud::FileReference.fromLocalFileContent(request_image_stream)})
insert_watermark_request = InsertWatermarkOnlineRequest.new(
    document: request_document, watermark_data: request_watermark_data)
insert_watermark_result =
    @words_api.insert_watermark_online(insert_watermark_request)

convert_document_request = ConvertDocumentRequest.new(
    document: insert_watermark_result.document.values[0], format: 'docx')
@words_api.convert_document(convert_document_request)
require 'aspose_words_cloud'

AsposeWordsCloud.configure do |config|
    config.client_data['ClientId'] = '####-####-####-####-####'
    config.client_data['ClientSecret'] = '##################'
end
@words_api = WordsAPI.new

request_document = File.open('Input.docx')
request_watermark_data = WatermarkDataText.new(
    {:Text => 'This is the watermark text', :Layout => 'Diagonal'})
insert_watermark_request = InsertWatermarkOnlineRequest.new(
    document: request_document, watermark_data: request_watermark_data)
insert_watermark_result = @words_api.insert_watermark_text_online(insert_watermark_request)

convert_document_request = ConvertDocumentRequest.new(
    document: insert_watermark_result.document.values[0], format: 'docx')
@words_api.convert_document(convert_document_request)
require 'aspose_words_cloud'

AsposeWordsCloud.configure do |config|
  config.client_data['ClientId'] = '####-####-####-####-####'
  config.client_data['ClientSecret'] = '##################'
end
@words_api = WordsAPI.new

request_document = File.open('Input.docx')
delete_watermark_online = DeleteWatermarkOnlineRequest.new(document: request_document)
deleted_watermark = @words_api.delete_watermark_online(delete_watermark_online)

convert_document = ConvertDocumentRequest.new(
   document: deleted_watermark.document.values[0], format: 'docx')
@words_api.convert_document(convert_document)
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How to remove watermark in Ruby

  1. Install Aspose.Words Cloud for Ruby
  2. Add a library reference (import the library) to your Ruby project
  3. Configure API using your app keys
  4. Load a document you want to remove the watermark from
  5. Create a request to remove the watermark
  6. Save the result to a convenient file format

Ruby library to use watermarks

Install Aspose.Words Cloud SDK for Ruby using RubyGems hosting service. Run gem install aspose_words_cloud to install the package. As an alternative, you can manually clone Aspose.Words Cloud SDK for Ruby source code from GitHub and use it in your project. Please follow these Instructions to quickly get the necessary security credentials and access our REST API.

System Requirements

Ruby 2.6 or newer

Refer to the Repository Documentation to see the details.

Most popular document formats for adding a watermark

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