CareerByteCode
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12 free tools · 100% in your browser

The Developer Toolbox
for everyday coding

Convert JSON into typed code, diff text, generate QR codes, fix cases, calculate chmod and check color contrast, all instantly in your browser.

12 tools0 data leaves your browserNo signup

Pick a tool

Small daily helpers that save you a tab-switch, private, fast and free.

Every tool on its own page

All 12 tools of the Developer Toolbox, each with how to use it, a worked example and answers to common questions.

JSON to CodeJSON to YAML ConverterText Diff CheckerCase ConverterNumber Base Converterchmod CalculatorQR Code GeneratorSlugifyEscape and UnescapeLorem Ipsum GeneratorColor Contrast CheckerUUID Generator
CareerByteCode · the influencer and creator platform

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2.4M+ learners and professionals in 105+ countries grow with CareerByteCode. Learn from the freelancers below, pick a course or a live cohort, or start earning yourself: as a creator selling your own courses and services, or as an influencer earning on every sale you refer.

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FAQ

Questions, answered

Are the Developer Toolbox tools free to use?
Yes. Every tool here is free, private, and runs entirely in your browser, with no signup and nothing uploaded to a server.
What can the developer toolbox convert?
JSON to TypeScript, Go, and Python, JSON to YAML, plus text diff, case and base converters, QR codes, and a chmod calculator, all in one place.
Do I need an account or to install anything?
No account and no install. Open the page and start using it. The tools keep working even offline once the page has loaded.
How does CareerByteCode help my career beyond these tools?
Join the community for mentorship, grow your personal brand, and freelance under the CareerByteCode brand with a 55% to 80% revenue share. Join the community.

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