XML Conversion Services

Professional XML Conversion Services for Document Tagging, Data Transformation and Schema-Compliant Output

We provide expert XML conversion outsourcing solutions for publishers, technology companies, healthcare organisations, government agencies and businesses that need documents converted to XML, data files structured in XML format, content tagged according to specific schemas and XML output validated against defined DTDs or XSD specifications. XML is the structured data format underlying document publishing, system integration, regulatory data submission and electronic data interchange — and correctly structured, schema-compliant XML is the specific outcome that matters.

Our professional offshore XML conversion team in India has extensive experience with document XML schemas (JATS, DITA, DocBook, TEI, custom DTDs), data exchange XML formats (OAGIS, UBL, HL7, SWIFT, custom schemas) and content management XML structures. Every conversion is validated before delivery — schema errors found at delivery are significantly cheaper to fix than errors found after downstream system import.

Both single-document conversion projects and bulk XML processing arrangements for regular content pipelines are fully supported.

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5000+ Completed Projects

90% Returning Clients

16+ Years Experience

45+ Countries Served

50+ Professionals Team

Services We Offer

Expert XML conversion producing schema-compliant, validated output for every downstream use case

Schema and DTD specification review
Source document structure analysis
Element and attribute mapping development
Manual tagging with systematic review
Schema validation before delivery
Documentation and mapping record

XML conversion quality is determined by schema compliance — not by whether the output looks reasonable, but by whether it validates correctly against the specified schema and produces correct results in the downstream system that consumes it. Errors that look minor in the XML source can cause significant issues downstream: a missing required element fails import validation; an incorrect attribute value type is rejected; a namespace declaration error prevents schema resolution.

We validate every conversion against the specified schema or DTD before delivery, identify and correct all validation errors in the produced XML and document the element mapping decisions made during conversion so your team has a reference for understanding the output structure.

Our India-based XML conversion team serves academic and scientific publishers, healthcare IT companies, legal publishers, enterprise content management operations and government data exchange programmes.

XML conversion services for structured, validated and system-ready data

XML conversion requires correct tags, hierarchy, encoding and validation. We convert content into XML that follows your schema instead of producing loose text wrapped in tags.

Document to XML conversion

We convert Word files, PDFs, scanned documents, HTML pages, spreadsheets and structured text into XML according to your required tag structure. This can include headings, paragraphs, tables, footnotes, references, metadata, figures, captions and section hierarchy. XML output must preserve meaning and structure, not simply copy visible text. We follow your DTD, schema, sample file or tagging guide so downstream systems can read the output correctly.

DTD and schema-based XML tagging

We tag content against your DTD, XSD or custom XML specification, ensuring required elements, attributes, nesting order and metadata fields are applied correctly. Schema-based work is especially important for publishing, product catalogs, archives, regulatory files and data exchange workflows. Records that do not fit the schema are flagged with notes instead of forced into invalid structures that may fail during import or validation.

Publishing and book XML conversion

We convert books, journals, articles, manuals, reports and reference material into structured XML for digital publishing workflows. This may include chapter tagging, author details, abstracts, references, tables, lists, figure captions, bibliography elements and metadata. Publishing XML needs careful hierarchy because a small tagging error can affect indexing, display or downstream conversion to EPUB, HTML or database formats.

Product and catalog XML preparation

We prepare XML feeds for product catalogs, marketplaces, inventory systems, supplier exchanges and eCommerce platforms. Fields such as SKU, title, description, category, price, availability, attributes, images and specifications are mapped to the required XML nodes and attributes. Product XML must be both valid and commercially accurate, so we check category mapping, required fields and special characters before delivery.

Data conversion from Excel, CSV or database to XML

We convert spreadsheet and database exports into structured XML using your required field mapping and hierarchy. This is useful when legacy data, product records, directory listings, research databases or internal records need to be transferred into another system. We review source columns, required nodes, repeating groups and missing values before generating final XML output. Exception records are separated for review.

XML cleanup, validation and correction

Existing XML files may contain broken tags, invalid nesting, encoding issues, missing attributes, special-character errors or schema validation failures. We review and correct XML files so they are well-formed and compliant with the agreed validation rules. Cleanup may include entity correction, tag normalisation, metadata repair, structural fixes and revalidation before final delivery.

Process, Quality and Security

How we manage XML conversion projects

1. Source and schema review

We review source documents, sample XML, DTD/XSD files, tagging guide, required metadata, output system and validation rules before starting conversion.

2. NDA and secure file setup

Source documents and structured data files are handled under NDA, with transfer and access rules agreed before any conversion work begins.

3. Sample XML conversion

A small sample is converted first so you can review tag hierarchy, attributes, metadata handling, special characters and validation results.

4. Full tagging and conversion

The approved structure is applied to the full source set, with tags, nesting, attributes and metadata entered according to the confirmed specification.

5. Validation and exception review

XML is checked for well-formedness, schema compliance, encoding issues, required fields, broken hierarchy and source content that does not fit the specification.

6. Final XML delivery

Validated XML files are delivered with exception notes, source references if required and any records that need client clarification separated clearly.

📂 Source formats we accept

Word, PDF, HTML and InDesign source documents
Excel, CSV and JSON data files
Schema documentation (DTD, XSD, specification)
Existing XML for validation or repair
Sample valid XML for structure reference

📤 Delivery formats

Schema-validated XML files
Element mapping and documentation files
Validation report with error resolution notes
Batch XML processing packages
Schema migration output with change documentation

XML quality is measured by structure and validation, not by appearance. We check tag nesting, required attributes, encoding, entities, metadata and schema compliance before delivery.

Source content may include confidential documents, product data, publishing assets or internal databases. Files are handled under NDA with controlled access and client-approved transfer methods.

We do not alter the meaning of source content to force validation. If a field, tag or value is unclear, it is flagged so your technical or editorial team can confirm the correct handling.

<> XML Tags Structured correctly

🧬 Schema Based DTD/XSD followed

📚 Publishing XML Books and journals

🛒 Catalog Feeds Product XML

✅ Validation Well-formed output

🔐 Secure Files NDA protected

Need documents or data converted to validated XML?

Share a sample source document and your schema specification. We convert a free sample section and validate it so you can review element mapping and schema compliance.

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Free XML conversion sample returned within 24-48 hours.

Why Outsource to SDES?

Why organisations outsource OCR, PDF and document conversion to SDES India

Source quality assessed upfront — realistic accuracy expectations given, not generic promises
Manual correction applied to every page — never sampling-based review only
Output format tested against your target system before full production
Schema validation included in every XML and structured conversion project
Large archive conversions tracked by coverage and delivered in batches
Exception documentation for pages where source limits achievable accuracy

Automated conversion tools produce output that requires correction. The gap between raw OCR output and reliably accurate, searchable text is significant and source-dependent — it only matters if you account for it. Our process always combines conversion tools with systematic manual review so the output you receive is ready to use rather than ready to correct.

We give clients realistic accuracy expectations based on their actual source files before any project commitment. If your source has characteristics that limit achievable accuracy, we tell you upfront rather than quoting a generic accuracy figure that does not apply to your specific documents.

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Industries We Support

Professional XML conversion for publishing and data exchange industries

Academic and Scientific Publishing

JATS and journal XML conversion for PubMed submission and open access publishing.

Technical Publishers

DITA and DocBook XML for technical documentation and structured content management systems.

Healthcare IT

HL7 and clinical data XML for healthcare system integration and regulatory data exchange.

Government and Regulatory

Regulatory submission XML, government data exchange formats and official publication XML.

Manufacturing and Supply Chain

EDI and business data exchange XML for supply chain integration and trade document processing.

Financial Services

SWIFT and financial data exchange XML for financial system integration and regulatory reporting.

Client Feedback

What clients say about our XML conversion work

★★★★★

220 journal articles needed JATS XML conversion for PubMed Central. SDES assessed a sample, ran a pilot and validated before production. PMC submission achieved 97% first-pass acceptance. The three needing revision had missing DOI data in our source — SDES flagged this during production, not after submission.

Rebecca H. — Editorial Production Manager Biomedical Publisher, USA

★★★★★

1,200 mixed PDF financial statements needed consistent Excel extraction. SDES identified the source type distribution, gave us different accuracy expectations for each type and delivered with source type indicated. That transparency let us apply the right level of review to each segment.

Hannah V. — Finance Systems Manager Accounting Practice, UK

★★★★★

A 40-year archive of legal correspondence — 28,000 scanned pages — had been digitised without metadata. SDES converted and indexed the full collection in six weeks. OCR correction was applied consistently and indexing was accurate throughout, not just on recent documents.

Benjamin B. — Knowledge Management Director Litigation Firm, Australia

FAQs

Questions clients ask before outsourcing XML conversion

Do you validate all XML against the specified schema before delivery?

Yes. Schema or well-formed validation is applied to every output file before delivery. Errors are corrected before the file is sent.

Can you handle JATS, DITA, DocBook and custom schemas?

Yes. Standard document publishing schemas and custom schema specifications are both handled.

Can you convert data files as well as documents?

Yes. Excel, CSV, JSON and structured data files are all supported for XML conversion.

Can you repair existing XML that fails validation?

Yes. XML validation, error identification and repair is a specific service.

Can you handle bulk XML conversion projects?

Yes. Large document and data batch XML projects are processed in organised phases.

Do you provide documentation of the element mapping?

Yes. Element mapping documentation is included in every XML conversion project.

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