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[PDF & Document Generation](/categories/documents) 4. / 5. tecnickcom/tc-lib-pdf ActiveLibrary[PDF & Document Generation](/categories/documents) tecnickcom/tc-lib-pdf ===================== PHP PDF Library 8.65.4(2d ago)1.9k526.8k—5.4%25212LGPL-3.0-or-laterPHPPHP >=8.2CI passing Since Feb 7Pushed 2w ago155 watchersCompare [ Source](https://github.com/tecnickcom/tc-lib-pdf)[ Packagist](https://packagist.org/packages/tecnickcom/tc-lib-pdf)[ Docs](https://tcpdf.org)[ GitHub Sponsors](https://github.com/sponsors/tecnickcom)[ RSS](/packages/tecnickcom-tc-lib-pdf/feed)WikiDiscussions main Synced today READMEChangelogDependencies (127)Versions (165)Used By (12) tc-lib-pdf (TCPDF) ================== [](#tc-lib-pdf-tcpdf) [![TCPDF logo](resources/img/tcpdf_logo.svg)](resources/img/tcpdf_logo.svg) > **The next generation of [TCPDF](https://tcpdf.org)** - a modern, modular PHP library for programmatically generating PDF documents. [![Latest Stable Version](https://camo.githubusercontent.com/27fa6f10c4f7e9f9748d9f27deeee657d060c4a16dcefc7cebf28c0b7ad8f80a/68747470733a2f2f706f7365722e707567782e6f72672f7465636e69636b636f6d2f74632d6c69622d7064662f76657273696f6e)](https://packagist.org/packages/tecnickcom/tc-lib-pdf)[![Build](https://github.com/tecnickcom/tc-lib-pdf/actions/workflows/check.yml/badge.svg)](https://github.com/tecnickcom/tc-lib-pdf/actions/workflows/check.yml)[![Coverage](https://camo.githubusercontent.com/1566e91f31f741c787a1dfe31ea43345d9aa3f46a4f2451152c83c28694601f9/68747470733a2f2f636f6465636f762e696f2f67682f7465636e69636b636f6d2f74632d6c69622d7064662f67726170682f62616467652e7376673f746f6b656e3d726d41714e4b56473163)](https://codecov.io/gh/tecnickcom/tc-lib-pdf)[![License](https://camo.githubusercontent.com/4b609c191188642522dc73b6023d29d06175532f64f7676673f2868ff5d1b5bb/68747470733a2f2f706f7365722e707567782e6f72672f7465636e69636b636f6d2f74632d6c69622d7064662f6c6963656e7365)](https://packagist.org/packages/tecnickcom/tc-lib-pdf)[![Downloads](https://camo.githubusercontent.com/076b46404feec606eb1ec9e0873754086d8c1e6f8aff449935344e397b6f3da0/68747470733a2f2f706f7365722e707567782e6f72672f7465636e69636b636f6d2f74632d6c69622d7064662f646f776e6c6f616473)](https://packagist.org/packages/tecnickcom/tc-lib-pdf) [![Sponsor on GitHub](https://camo.githubusercontent.com/dd89cb32d6e7ff9dbb0fa7ce84923567358b220feb9198b3720beabc3153da6a/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f73706f6e736f722d6769746875622d4541344141412e7376673f6c6f676f3d67697468756273706f6e736f7273266c6f676f436f6c6f723d7768697465)](https://github.com/sponsors/tecnickcom) > 💖 **Keep TCPDF maintained.** `tc-lib-pdf` is the actively-developed successor to **TCPDF**, which is installed 100M+ times across 500+ PHP packages and is now maintenance-only. If your company depends on it, [become a sponsor](https://github.com/sponsors/tecnickcom) to keep this shared infrastructure secure and maintained — see [Sponsors](#sponsors) for tiers. --- Contents -------- [](#contents) - [Overview](#overview) - [Sponsors](#sponsors) - [For TCPDF Users](#for-tcpdf-users) - [Features](#features) - [Requirements](#requirements) - [Installation](#installation) - [Quick Start](#quick-start) - [Examples](#examples) - [In-Depth Documentation](#in-depth-documentation) - [Contributing](#contributing) --- Overview -------- [](#overview) `tc-lib-pdf` is a pure-PHP library for dynamically generating PDF documents. It is the modern evolution of the widely used TCPDF library, redesigned around a modular package architecture, Composer-first workflow, and strict PHP type safety. It coordinates specialized companion packages for fonts, images, graphics, pages, filtering, and encryption into a cohesive document-authoring API. The result is a production-ready toolkit for invoices, reports, labels, and other generated PDFs where predictable output and long-term maintainability matter. **Namespace**`\Com\Tecnick\Pdf`**Author**Nicola Asuni <>**License**[GNU LGPL v3](https://www.gnu.org/copyleft/lesser.html) - see [LICENSE](LICENSE)**Website****API docs****Packagist**Releases follow [Semantic Versioning](https://semver.org): - **PATCH** — backwards-compatible bug fixes - **MINOR** — backwards-compatible new features - **MAJOR** — breaking changes --- Sponsors -------- [](#sponsors) `tc-lib-pdf` is the actively-developed successor to **TCPDF**, which is installed **100M+ times across 500+ PHP packages** and is now maintenance-only. If your product relies on TCPDF or `tc-lib-pdf`, sponsoring is how that shared infrastructure stays secure and maintained — closer to insurance on a dependency you already ship than to a donation. [![Sponsor on GitHub](https://camo.githubusercontent.com/dd89cb32d6e7ff9dbb0fa7ce84923567358b220feb9198b3720beabc3153da6a/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f73706f6e736f722d6769746875622d4541344141412e7376673f6c6f676f3d67697468756273706f6e736f7273266c6f676f436f6c6f723d7768697465)](https://github.com/sponsors/tecnickcom) **Your logo here.** Be the first company to back the project — [become a sponsor →](https://github.com/sponsors/tecnickcom) See **[SPONSORS.md](https://github.com/tecnickcom/.github/blob/main/SPONSORS.md)** for sponsorship tiers, how to add your logo, and the logo/content policy. Individual backers are listed in **[BACKERS.md](https://github.com/tecnickcom/.github/blob/main/BACKERS.md)**. --- For TCPDF Users --------------- [](#for-tcpdf-users) If you already know TCPDF, `tc-lib-pdf` will feel familiar in purpose but it is not positioned as a drop-in replacement. - The codebase is split across focused Composer packages instead of a single monolithic distribution. - The API surface is more strongly typed and organized around companion services such as fonts, pages, graphics, and images. - Setup is Composer-first, which means asset preparation such as font generation is part of project bootstrap rather than an implicit bundled step. The fastest way to evaluate the library is to follow the installation and quick-start steps below, then compare the runnable examples in [examples/index.md](examples/index.md) with the equivalent workflows you already maintain in TCPDF. Features -------- [](#features) ### Text & Fonts [](#text--fonts) - Full **UTF-8 Unicode** and **right-to-left** (RTL) language support - **TrueTypeUnicode**, **OpenTypeUnicode v1**, TrueType, OpenType v1, Type1, and CID-0 fonts - Font subsetting to keep file sizes small - Text hyphenation, stretching, and letter-spacing (tracking) - Language-aware TeX hyphenation patterns and optional zero-width breakpoints - Text rendering modes: fill, stroke, and clipping - Automatic line breaks, page breaks, and justification ### Layout & Content [](#layout--content) - All standard page sizes, custom formats, custom margins, and configurable units of measure - **HTML** and **CSS** rendering - **SVG** rendering - Multi-column layouts and no-write page regions - Headers, footers, and common page content - Bookmarks, named destinations, and table of contents - Automatic page numbering and page groups - Full page box control (Media/Crop/Bleed/Trim/Art), page reordering, and viewer preferences - **Per-page transparency group control** via `setPageTransparencyGroup()` — by default (`'auto'`) the page transparency `/Group` is emitted only on pages that actually blend, flattening fully-opaque pages for faster, more predictable printing on conservative RIPs/firmware; `'always'` keeps the group on every page (legacy) and `'never'` drops it entirely ### Images & Graphics [](#images--graphics) - Native **JPEG**, **PNG**, and **SVG** support - Extended image format handling via GD (`GD`, `GD2`, `GD2PART`, `GIF`, `JPEG`, `PNG`, `BMP`, `XBM`, `XPM`, `WBMP`, `TIFF`, `ICO`, `PSD`, `IFF`, `SWC`) - Geometric graphics and 2D transformations - Linear and radial gradients, Coons patch mesh gradients, crop marks, and registration bars - **JPEG and PNG ICC profiles**, grayscale/RGB/CMYK/spot colors, transparencies, and overprint control ### Security & Standards [](#security--standards) - Password and certificate-based document encryption (RC4 and AES, up to 256-bit) - Remote resource controls via `fileOptions` with host allowlists plus separate internal and markup local-path allowlists for external assets - **Digital signatures** — detached CMS (PKCS#7) signatures with configurable appearance fields - **RFC 3161 TSA timestamps** — embed a trusted timestamp token from any RFC 3161-compliant Time Stamping Authority (TSA) into the CMS signature; configurable digest algorithm (`sha256`, `sha384`, `sha512`), policy OID, nonce, timeout, and TLS peer verification - **LTV (Long-Term Validation)** — embed revocation evidence in the same PDF revision as the signature: - collects the signing certificate chain and fetches OCSP responses and/or CRL payloads from AIA and CDP URLs - deduplicates binary payloads by fingerprint - emits `/DSS`, `/VRI`, `/OCSPs`, `/CRLs`, and `/Certs` objects in the catalog - each feature (OCSP, CRL, cert embedding, DSS, VRI) can be enabled independently via `setSignature()` LTV options - **PDF annotations**: links, text notes, file attachments, markup, shapes, media, and widgets - **JavaScript** embedding - **PDF/A** (1/2/3, including a/b/u conformance levels) — see [doc/STANDARDS.md](doc/STANDARDS.md) and [E001\_invoice.php](examples/E001_invoice.php) for a Factur-X / ZUGFeRD example - **PDF/X** (generic alias, PDF/X-1a, PDF/X-3, PDF/X-4, PDF/X-5) — print-exchange conformance: per-variant OutputIntent identifiers, GTS\_PDFXVersion in Info dict and XMP, PDF version enforcement, CMYK color forcing for restrictive profiles (X-1a, X-3), transparency restrictions, and suppression of encryption and JavaScript - **PDF/UA** (generic alias, PDF/UA-1, PDF/UA-2) — accessibility conformance: tagged structure tree (`StructTreeRoot` / `ParentTree`), `MarkInfo /Marked true`, document language (`/Lang`), `DisplayDocTitle true`, `ActualText` for ligatures and special glyphs, figure alt-text tagging, and heading-level clamping to prevent skipped levels; PDF/UA-2 targets PDF 2.0 ### PDF Import [](#pdf-import) - Import pages from existing PDFs as **Form XObjects** and place them on any destination page - Import a single page at a user-defined position and scale (`importPage` / `useImportedPage`) - Append full documents page-by-page, auto-sized to the source page dimensions (`addPageFromImport`) - Load source PDFs from a file path or raw byte string (`setImportSourceFile` / `setImportSourceData`) ### Other [](#other) - **1D and 2D barcodes** via [`tc-lib-barcode`](https://github.com/tecnickcom/tc-lib-barcode) - Interactive AcroForm fields (buttons, checkboxes, radio buttons, text, combo boxes, list boxes) - XObject templates and layers with object visibility controls - Multiple output targets: inline display, forced download, file save, and MIME attachment - Factur-X / ZUGFeRD workflows via embedded XML in PDF/A-3 documents - Page compression via the `zlib` PHP extension --- Requirements ------------ [](#requirements) - **PHP 8.2** or later - Required PHP extensions: `date`, `pcre` (enforced by Composer) - Composer Optional PHP extensions for extended functionality: `gd`, `zlib`. Feature-specific prerequisites: - Digital signatures, timestamps, and LTV workflows require signing certificates/keys and any external TSA or revocation endpoints your configuration references. - `make preflight` depends on external validation tools when you want standards validation beyond the built-in sample generation. --- Installation ------------ [](#installation) For a clean first run: 1. Install the package with Composer. 2. Generate companion font files (see [doc/FONTS.md](doc/FONTS.md)). 3. Run the minimal script using the generated `K_PATH_FONTS` path. ``` composer require tecnickcom/tc-lib-pdf ``` Or add to your `composer.json`: ``` { "require": { "tecnickcom/tc-lib-pdf": "^8" } } ``` --- Quick Start ----------- [](#quick-start) The following example assumes the script lives in your project root. If you place it elsewhere, adjust the `autoload.php` and `K_PATH_FONTS` paths accordingly. ```