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39 articles in "developer" · page 1 of 3
Ensure your Node.js projects are error-free. Validate package.json fields, check semver, verify licenses, and view dependency stats with our free online tool.
Learn how to pick and generate the perfect open-source license for your project. Compare MIT, Apache 2.0, and GPL v3 with our free License Chooser tool.
Validate and analyze .env files instantly. Detect invalid keys, missing quotes, duplicate entries, and suspicious secrets to prevent deployment failures.
Convert indented text into clean ASCII directory trees for READMEs. Use our free ASCII Directory Tree Generator to create professional folder structures now.
Explore the best browser-based audio tools for developers. From AI transcription to waveform visualizers, master your sound workflow with no-upload utilities.
Generate random JSON objects with custom fields and types. Create mock data for testing and prototyping with strings, numbers, booleans, and UUIDs instantly.
Generate random IPv4 and IPv6 addresses for testing and development. Create bulk public or private IP ranges easily with our free online developer tool.
Generate random dates within any date range for test data and mock databases. Set custom formats and ranges with our free Random Date Generator tool today.
Convert JavaScript objects to JSON strings or parse strings back to objects. Learn to use the JSON Stringify / Parse tool for debugging and API development.
Learn how to use the JSON Escape / Unescape tool to safely encode quotes, backslashes, and control characters for JSON embedding. Free developer tool guide.