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PixLate 是一款在 Product Hunt 上发布的文档翻译工具，可在保留原有排版与插图的情况下翻译 PDF、扫描件和图文页面，并提供并排校对、后台处理与本地化隐私处理，采用按次计费模式。
Show HN: PDF TO MP3 让你用已有的 OpenAI 订阅通过 MCP 服务器把 PDF 转成有声书，文档处理走订阅，语音生成按 API 用量计费。
A pro tip suggesting users ask their AI agent to generate HTML, DOCX, and PDF renderers for their Markdown files to improve output flexibility.
Etchv 是一款在 Product Hunt 上发布的 API 产品，可为图片、PDF 和短视频嵌入隐形水印，水印能经受截图、格式转换和压缩等修改后仍被识别，旨在防止未经授权的媒体复制和署名缺失。
A post sharing the free PDF of the Competitive Programmer's Handbook (2018), a widely used textbook covering algorithmic techniques and problem-solving strategies from cses.fi.
Prof. Tom Yeh shares a PDF with math problems on agentic AI topics like token costs and system prompts, encouraging manual solving for learning.
Hyper is an open-source PDF compression engine that achieves high fidelity and monotonic compression while preserving PDF conformance.
Generates 67 malicious PDF test files for security testing, covering SSRF, XSS, XXE, and credential theft vulnerabilities in PDF parsers and web applications.
LëtzCross is a benchmark for cross-lingual page-level retrieval over Luxembourgish PDF documents, comparing text-only and multimodal retrievers in low-resource settings.
Glasp for Firefox is a tool that enables users to highlight and summarize any webpage, PDF, or video directly within the Firefox browser.
A tweet shares a 17-page PDF from Stanford University that explains Hidden Markov Models, a foundational concept in machine learning and speech processing.
「飞鼠格式」是一款鼠鼠主题的开源离线文件格式转换工具，支持 PDF、Office、音视频、电子书等格式互转，并可解密 NCM、mflac、kgma 等加密音乐，兼容 Windows 和 macOS。
A tweet promotes Stirling PDF, a free open-source PDF tool with 89,000+ GitHub stars, as a replacement for paid editors like Adobe Acrobat Pro and PDF Expert.
This article describes the unofficial conversion of WCAG 2.2 Understanding documents into EPUB and PDF formats for easier accessibility audit and offline reading, while noting it is not the normative version.
Recommend the open-source project ChinaTextbook, which provides free PDF downloads of Chinese primary, junior high, senior high, and university textbooks, aiming to promote the sharing of educational resources.
Obsidian PDF++ is an Obsidian plugin that transforms PDF backlinks into highlight annotations, enabling markdown-based PDF annotation and quality-of-life improvements to the built-in PDF viewer.
Companies are scrambling to reduce AI token spending as costs mount, with Accenture revealing that non-engineers and PDF-to-markdown conversions are major token consumers.
Speechfony is a new fully local desktop app that reads PDFs and EPUBs aloud with sentence highlighting, semantic search, and MP3 audiobook export, using Kokoro TTS and on-device embeddings. It prioritizes privacy and offline use, with an open-source MIT license.
The Firecrawl team open-sourced pdf-inspector, a fast Rust library that automatically determines whether a PDF is text-based or scanned, directly extracts text and converts it to Markdown, avoiding unnecessary OCR, supports table and multi-column layout detection, and provides Python/Node.js/Rust/WASM interfaces.
A GitHub project, llm_aided_ocr, performs OCR on scanned PDFs and uses LLMs to correct and improve the extracted text.