carlos7ags

carlos7ags / folio

Public

Modern PDF library for Go: layout engine, HTML to PDF, forms, signatures, barcodes, and PDF/A. Apache 2.0.

folio-playground.pages.dev acroform apache-2-0 barcode digital-signatures document-generation
41
1
100% credibility
Found Mar 19, 2026 at 41 stars -- GitGems finds repos before they trend. Get early access to the next one.
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AI Analysis
Go
AI Summary

Folio is a modern PDF library for Go providing a layout engine, HTML to PDF conversion, forms, digital signatures, barcodes, and PDF/A compliance.

Star Growth

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AI-Generated Review

What is folio?

Folio is a Go library for building PDFs with a layout engine that handles paragraphs, tables, lists, flexbox, grids, images, and barcodes, plus HTML/CSS-to-PDF conversion without Chrome or servers. It supports interactive forms, digital signatures (PAdES), merging/reading existing PDFs, and PDF/A compliance for archives. Developers get CLI tools for blanks/merges and a WASM playground for instant ai folio github tests, like al folio github pages but for full docs.

Why is it gaining traction?

Pure Go with one image dep means fast builds and no Node.js headaches—ideal vs Puppeteer or wkhtmltopdf. Plan-based layout ensures predictable breaks across pages, CSS grid/flex work out-of-box, and signatures/barcodes embed cleanly. The playground hooks devs quick, CLI simplifies workflows, and PDF/UA tagging boosts accessibility over basic libs.

Who should use this?

Go backend teams generating invoices, reports, or certificates from HTML templates—think Stripe-like billing APIs ditching external renderers. Suited for developer folio github users needing forms/signatures without Java ports, or folio library github adopters replacing PDFtk for merges. Avoid if you need complex SVG/charts.

Verdict

Promising at 41 stars (1.0% credibility score) with strong docs/tests/playground, but early—roadmap adds templates/API. Try for non-mission-critical PDFs; beats unmaintained alternatives today.

(198 words)

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