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Free tools for shipping developers.

Small, fast utilities we built because we needed them ourselves. Use them in your browser, no account required. If you like the design, your full developer bio is one slug away.

devbio.me/

Two-to-thirty-nine letters / digits / dash / underscore.

Open Graph previewer

Paste a URL and see exactly how your link will look on Twitter, LinkedIn, Slack, Discord, and Facebook.

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MRR & growth calculator

Model monthly recurring revenue with churn, ARPU, and growth-rate sliders. Forecast 12 months ahead.

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Like the tools? You'll love the bio.

Every tool here is built on the same component system that powers a devbio. Pick a handle and start composing yours in a minute.

devbio.me/
devbio

The developer-first bio platform.

© 2026 devbio.me

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Username availability

Check one handle across devbio, GitHub, Twitter / X, LinkedIn, Bluesky and Mastodon in one shot.

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Tech-stack badge maker

Generate clean stack badges for your README — drag-and-drop reorder, brand-true colours, no shields.io URLs.

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JSON Resume → bio

Paste a jsonresume.org file, get a fully-built devbio. Also exports your devbio as a JSON Resume.

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GitHub profile README

Build a polished GitHub profile README from your devbio — auto-syncs when your bio changes.

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