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Structured (Text-based) PDF Translation

Lilt supports the direct upload, translation, and export of text-based PDF documents that will retain original formatting. This ensures the translated output retains elements like text columns, tables, and images in their correct positions. This functionality is available for both Instant and Verified Translation jobs. You can upload one or more PDFs, and the system will automatically handle the translation and reconstruction of the final document. The translated output can be downloaded as a PDF or a TXT file, individually or in a batch.

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How It Works

  1. Uploading PDFs:
    • Upload a PDF using unified job submission. LILT will process the PDF to extract the text while preserving the layout and formatting information.
  2. Translation Process:
    • The extracted text is translated using either Instant or Verified Translation, based on your workflow selection. For Instant translation, the toggle for “Receive an expert-verified translation” should be set to off.
    • Once the translation is complete, Lilt uses a specialized reconstruction service to reassemble the translated text back into the original PDF layout. This ensures that the final output mirrors the source document’s structure, including things like column breaks, image placement, and table alignment.
  3. Downloading Translated Files:
    • Once the translation is complete, you can download the output files from the Project (Language) level.
    • From the document list, select the translated PDF(s) you wish to download.
    • You have two download options:
      • Download: This option provides the translated document with its original formatting intact.
      • Download TXT: This option downloads a plain text file containing only the translated text.

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Supported Features

  • Input Formats: Structured (text-based) PDF
  • Output Formats: PDF, TXT
  • Translation Types: Instant and Verified Translation
  • Batch Actions: Download multiple translated files at once.

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Important Notes

  • PDF export is currently only supported for same-direction languages. For example, EN <> AR is not supported as English is Left-To-Right and Arabic is Right-To-Left. We are working to be able to support this, and will share an update once available. In cases like this, the download will only be available as a TXT file.
  • This feature is designed for text-based PDFs. Scanned PDFs or images with text may not translate correctly. For scanned PDFs or images - please use OCR and submit either through Image Translation or Scanned PDF Translation.
  • While we aim to perfectly replicate the original layout, minor formatting differences may occur depending on the complexity of the source document.
  • Support for DOCX output is a planned future enhancement.

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Images and Scanned PDFs Translation

Translating an image or scanned PDF in LILT is very similar to the text translation workflow you’re used to, and is available for both Instant and Verified Translation jobs.

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How It Works

  1. Uploade Image or Scanned PDF:
    • Upload a PDF using unified job submission. You will need to have an AI Provider configured.
  2. Text extraction process:
    • The extracted text is translated using either Instant or Verified Translation, based on your workflow selection. For Instant translation, the toggle for “Receive an expert-verified translation” should be set to off.
    • In Additional Options, select whether you want to review the extracted text before translation.
    • LILT will begin extracting the text. Image
  3. If you selected “Review extracted text”, you have the opportunity to make any necessary changes to the extracted text and timestamps. Once you’re satisfied with the source text, click on “Mark as reviewed” and then “Text review completed”. Image
  4. If you selected an Instant translation, LILT will then use your selected custom model to instantly translate the text.
  5. If you selected a Verified Translation, LILT will send your extracted text to our experts for a translation. Image

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Supported Features
  • Input Formats: Images and Scanned PDFs
  • Output Formats: TXT, unless you have requested and paid for additional post-processing with your LILT Production team
  • Translation Types: Instant and Verified Translation
  • Batch Actions: Download multiple translated files (in TXT form) at once.