--- title: If Nobody Does It, Do It Yourself — pdf-encrypt-lib description: A developer built pdf-encrypt-lib, a JavaScript library that adds AES-256 password encryption to pdf-lib — a popular PDF creation/editing library that has... canonical: https://daily.dev/posts/if-nobody-does-it-do-it-yourself-pdf-encrypt-lib-xtu5v6w6c twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: If Nobody Does It, Do It Yourself — pdf-encrypt-lib | daily.dev og:description: A developer built pdf-encrypt-lib, a JavaScript library that adds AES-256 password encryption to pdf-lib — a popular PDF creation/editing library that has... og:url: https://daily.dev/posts/if-nobody-does-it-do-it-yourself-pdf-encrypt-lib-xtu5v6w6c og:image: https://api.daily.dev/og/posts/XtU5V6w6c.png og:image:alt: If Nobody Does It, Do It Yourself — pdf-encrypt-lib og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # If Nobody Does It, Do It Yourself — pdf-encrypt-lib **[Medium](https://daily.dev/sources/medium_js)** · 3 min read · 0 upvotes · 0 comments ## Summary A developer built pdf-encrypt-lib, a JavaScript library that adds AES-256 password encryption to pdf-lib — a popular PDF creation/editing library that has never supported encryption despite long-standing community requests. The library works directly on the PDF object model and targets compatibility with all spec-compliant readers including browsers. It is currently published only on GitHub and Codeberg (not npm) due to the sensitivity of cryptographic code and the lack of peer review. The project was motivated by building a browser-based PDF manager tool. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [The Private Alternative to iLovePDF & Smallpdf](https://daily.dev/posts/the-private-alternative-to-ilovepdf-smallpdf-68kn6smic) · Hacker News · 1 upvotes · 0 comments - [Zero-Dependency PDF Generator in Vanilla JavaScript](https://daily.dev/posts/zero-dependency-pdf-generator-in-vanilla-javascript-4vy9xz1tk) · SitePoint · 2 upvotes · 0 comments - [Create, Edit, and Sign PDFs in JavaScript - No Backend Required](https://daily.dev/posts/create-edit-and-sign-pdfs-in-javascript---no-backend-required-pvgcsftzm) · Syncfusion · 3 upvotes · 0 comments - [However to entree PDF records-data which person an bare password successful PHP](https://daily.dev/posts/however-to-entree-pdf-records-data-which-person-an-bare-password-successful-php-4toowrpoe) · Medium · 0 upvotes · 0 comments - [Lulzx/tinypdf: Minimal PDF creation library. <400 LOC, zero dependencies, makes real PDFs.](https://daily.dev/posts/lulzx-tinypdf-minimal-pdf-creation-library-400-loc-zero-dependencies-makes-real-pdfs--enagb4xyw) · Hacker News · 28 upvotes · 0 comments --- Tags: [#javascript](https://daily.dev/tags/javascript), [#open-source](https://daily.dev/tags/open-source) [View this post on daily.dev](https://daily.dev/posts/if-nobody-does-it-do-it-yourself-pdf-encrypt-lib-xtu5v6w6c) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"If Nobody Does It, Do It Yourself — pdf-encrypt-lib","url":"https://daily.dev/posts/if-nobody-does-it-do-it-yourself-pdf-encrypt-lib-xtu5v6w6c","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/if-nobody-does-it-do-it-yourself-pdf-encrypt-lib-xtu5v6w6c"},"datePublished":"2026-07-21T02:05:04.177Z","dateModified":"2026-07-21T02:06:34.795Z","description":"A developer built pdf-encrypt-lib, a JavaScript library that adds AES-256 password encryption to pdf-lib — a popular PDF creation/editing library that has...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/ca9c44a1ad2d885817941ac3f94ef488?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/ca9c44a1ad2d885817941ac3f94ef488?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"Medium","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Medium","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/medium","url":"https://daily.dev/sources/medium_js"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/if-nobody-does-it-do-it-yourself-pdf-encrypt-lib-xtu5v6w6c","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"javascript,open-source","timeRequired":"PT3M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Medium","item":"https://daily.dev/sources/medium_js"},{"@type":"ListItem","position":3,"name":"If Nobody Does It, Do It Yourself — pdf-encrypt-lib"}]} ```