Online Dev Tools

Fast browser-based tools for devs and security engineers

2 followers

Fast browser-based tools for devs and security engineers

2 followers

Online Dev Tools is a browser-based toolkit for developers and security engineers. All tools run locally in your browser so you can inspect, transform, and debug data without uploading files or sending sensitive information to external servers. Includes utilities for JSON formatting, JWT decoding, regex testing, base64 encoding/decoding, hashing, URL parsing, CSP analysis, YAML validation, and more. Open a tool, paste your data, get useful output, and continue building.

Free

Launch tags:Web App•Open Source•Developer Tools

Launch Team

LM-Kit OneThe Private AI Application Server

Promoted

Maker

📌

I built Online Dev Tools as a practical toolkit for engineering work that happens every day but never has a good place to live. Things like inspecting JSON payloads, decoding JWTs, checking CSP policies, generating hashes, parsing URLs, or validating YAML usually mean opening random sites or writing throwaway scripts. This project pulls those workflows into one place. Everything runs locally in the browser. No uploads, no accounts, no server-side processing. Paste your data, get the result, and move on. The goal is simple: reduce friction during debugging, incident response, and API work. If there’s a tool you rely on that should live here, tell me.

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7mo ago

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