PDF

Combine multiple PDF files into a single document.

Convert PDF files to PDF/A online for editing, extraction, publishing, or reuse.

Reduce file size without sacrificing readability.

Convert images such as JPG and PNG into PDF files.

Convert PowerPoint files into PDF format.

Convert HTML files to PDF for sharing, printing, archiving, and document workflows.

Convert Microsoft Word documents into PDF format.

Convert Excel spreadsheets into PDF files.

Convert PDF documents into editable Word files.

Convert PDF tables and data into Excel spreadsheets.

Split one PDF into multiple files by page range.

Convert PDF pages into image files.

Add text or image watermarks to PDF documents.

PDF/A is a constrained PDF profile for long-term preservation and archival reliability.

PDF/X is a print-production subset of PDF focused on reliable prepress interchange.

PDF/UA is an accessibility-focused PDF profile aimed at usable documents for assistive technologies.

PDF/E targets engineering and technical-document workflows that require robust visual and interactive content exchange.

PDF/VT is a variable/transactional print profile optimized for high-volume personalized output.

XPS/OpenXPS is a fixed-layout page format from Microsoft/ECMA ecosystems.

DOCX is the default modern Word format built on OOXML package parts and XML document markup.

XLSX is the standard modern Excel workbook format using OOXML package + worksheet XML parts.

PPTX is the modern OOXML presentation format used for most slide authoring workflows.

TIFF is a flexible high-fidelity raster image format used in scanning and publishing.

WebP is a modern web image format supporting lossy/lossless compression and alpha transparency.

DOC is the legacy binary Word format used in older Microsoft Office workflows and long-lived enterprise archives.

AVIF is an AV1-based image format targeting strong compression efficiency while preserving visual detail.

CSV is a plain-text table interchange format where each row is serialized into delimited fields.

JP2 (JPEG 2000) is a wavelet-based image format offering high-quality compression options.

SVG is an XML-based vector graphics format that scales without raster blurring.

JBIG2 is a bi-level image compression standard optimized for scanned text-like pages.

HEIF is a high-efficiency image container that can store still images, sequences, and related metadata.

ODT is an OpenDocument text format focused on interoperable office authoring.

XLS is the legacy binary Excel workbook format still found in historical finance and reporting systems.

ODS is the OpenDocument spreadsheet format for open, cross-suite data workflows.

ODP is the OpenDocument presentation format for slide decks in open office suites.

RTF is a text-based rich text interchange format that predates modern XML office packaging.

HEIC is the common extension for HEIF images encoded with HEVC, especially in Apple-centric capture workflows.

XML is a structured markup language for machine-readable documents and data.

EPUB is an e-book packaging format designed for reflowable digital publishing.

Markdown is a lightweight plaintext markup syntax that can be rendered into HTML and then exported to PDF.

TXT is plain text without embedded rich formatting semantics.

DjVu is a format designed for efficient storage of scanned documents, often with layered text/image approaches.

JSON is a lightweight structured data interchange format built on key/value and array constructs.

PPT is the legacy binary PowerPoint format used in older presentation systems.

TSV is a plain-text tabular format using tab delimiters, often chosen to reduce comma-escaping issues.

EML represents internet email messages with headers/body and MIME-part content.

FDF is a compact format for exchanging PDF form field data without embedding full page content.

MSG is an Outlook message storage format used in Microsoft mail workflows.

XFDF is the XML-based evolution of FDF for exchanging PDF form and annotation data.

GIF is an indexed-color raster format known for lightweight animations and simple graphics.

BMP is a Windows bitmap raster format with straightforward uncompressed/low-complexity structures.

MOBI is an older e-book format from the Mobipocket family, later integrated into Kindle ecosystems.

AZW is an Amazon Kindle ebook format derived from Mobipocket-era packaging.

AZW3 (KF8) is a newer Kindle format with richer styling/layout capabilities than legacy AZW/MOBI.

CBR is a comic archive convention that stores ordered page images inside a RAR container.

CBZ is a comic archive convention that stores ordered page images inside a ZIP container.

JPEG/JPG is the dominant lossy raster image format for photographs.

PNG is a lossless raster format with strong support for transparency and crisp graphics.

HTML is the standard markup language for web documents and browser rendering.

Cryptographic signature proving integrity and signer authenticity.

Cryptographic protection applied to document content and permissions.

PDF arranged for fast web viewing by prioritizing early-page access.

Optical Character Recognition that turns scan images into machine-readable text.

Techniques used to reduce file size while balancing quality.

Descriptive document data such as title, author, and timestamps.

XLSM is the macro-enabled OOXML workbook format combining spreadsheet data with VBA automation.

DOCM is the macro-enabled OOXML Word format that bundles document content plus VBA automation logic.

PPTM is the macro-enabled OOXML presentation format that combines slides with VBA logic.

PostScript is a page description language historically central to desktop publishing and print workflows.

TeX is a typesetting system and source format used for high-quality technical documents.

PDF index structure mapping object locations.

Document-level restrictions such as printing or copying limits.

Visible text or image overlay applied to pages.

PDF variant combining multiple structural and compatibility characteristics.

Permanent removal of sensitive content from a document.

Small preview image representing a document or page.

PDF where interactive and transparency elements are baked into static content.

CSS rules that control page layout when HTML is rendered for print/PDF.

Machine-readable text content embedded alongside scanned page imagery.

Password required to open an encrypted PDF document.

Sequence of PDF drawing/text operators that render page content.

Password controlling permissions in a protected PDF, such as printing or editing.

Mapping from glyphs to Unicode code points, often via ToUnicode data in PDFs.

Hierarchical PDF structure that organizes pages and inherited attributes.

How content is split and ordered across pages in a document.

Compressed cross-reference representation introduced in newer PDF versions.

Term used in some workflows for rights or restricted variants and references.

Handling many files in one automated operation.

JPEG-based compression filter used for many embedded images in PDFs.

Server-side file processing instead of local execution.

Character mapping resource used by PDFs and CJK fonts to map encoded text.

Common PDF compression filter based on DEFLATE.

Bi-level image compression method used in scanned monochrome content.

Reusable internal target in a PDF for links and navigation jumps.

Logical page numbering metadata that can differ from physical page index.

JPEG 2000-based image compression filter used in some PDF image objects.

Identifier for each indirect object in a PDF file structure.

Fonts and encoding behavior for Chinese, Japanese, and Korean scripts.

Version counter paired with object numbers in PDF object references.

Color-conversion strategy that prioritizes appearance under gamut changes.

Interactive instruction in PDFs that opens pages, views, or linked resources.

Decorative/non-semantic PDF content excluded from logical reading order.

PDF container that bundles multiple files while preserving originals.