WWeHelpDevs

Open Source

Built on the shoulders
of giants.

WeHelpDevs is made possible by open-source software and free APIs. Full credit and gratitude to every project below.

Frameworks & Tooling

Next.jsby Vercel
MIT

React framework powering all pages and routing

Reactby Meta
MIT

UI component library

Tailwind CSSby Tailwind Labs
MIT

Utility-first CSS framework for all styling

@tailwindcss/typographyby Tailwind Labs
MIT

Prose typography styles for article pages

TypeScriptby Microsoft
Apache 2.0

Type safety across the entire codebase

Open-Source Libraries

qrcodeby soldair
MIT

QR code generation in the QR Code Generator tool

sql-formatterby sql-formatter-org
MIT

SQL formatting across 6 dialects in the SQL Formatter tool

turndownby mixmark-io
MIT

HTML to Markdown conversion in the HTML to Markdown tool

cronstrueby bradymholt
MIT

Human-readable cron expression descriptions in the Cron Builder

markedby markedjs
MIT

Markdown parsing and rendering in the Markdown Preview tool

next-mdx-remoteby hashicorp
MIT

MDX rendering for blog articles

gray-matterby jonschlinkert
MIT

Frontmatter parsing for blog article metadata

PDF.jsby Mozilla Foundation
Apache 2.0

PDF rendering and text extraction in the PDF Viewer and PDF Text Extractor tools. Loaded from cdnjs.cloudflare.com.

External APIs

ipinfo.ioby IPinfo
Free tier (50K lookups/month)

IP geolocation, ISP, timezone, and hostname data in the IP Address Lookup tool. No user data is stored or transmitted beyond the lookup request.

Only the IP Lookup tool makes external API calls. All other tools process data entirely in your browser — nothing is sent to any server.

Browser APIs

Web Crypto APIW3C / WHATWG

Cryptographically secure random values for the Password Generator and UUID Generator. SHA hashing for the Hash Generator.

Canvas APIW3C / WHATWG

Image compression and format conversion in the Image Compressor tool.

File API / FileReaderW3C

Reading local files in the CSV Viewer, Image Compressor, and PDF tools — all processing happens locally in the browser.

Clipboard APIW3C / WHATWG

Copy-to-clipboard functionality across all tools.

License Compliance

All open-source libraries used by WeHelpDevs are licensed under MIT or Apache 2.0. These licenses permit commercial use, modification, and distribution provided that copyright notices and license texts are preserved.

If you believe any attribution is missing or incorrect, please contact us and we will correct it promptly.