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Two developer & design tools, side-by-side. See which fits your task.
Developer & Design
Eslint Config Validator — strict, copy-paste output, browser-side.
Open Eslint ConfigDeveloper & Design
Side-by-side syntax conversion: Express idioms next to their Fastify equivalents.
Open express → fastifyYour specific task is eslint config validator — strict, copy-paste output, browser-side. Open the page, drop your input, get the result — typically under a second.
Your goal is side-by-side syntax conversion: express idioms next to their fastify equivalents. Same approach: paste in, get the result, move on. No account, no upload.
Both tools live in the same category, so the choice depends on the exact subtask. Eslint Config focuses on eslint config validator — strict, copy-paste output, browser-side; express → fastify focuses on side-by-side syntax conversion: express idioms next to their fastify equivalents. Try whichever description matches your goal more closely — they're both free.
Yes — both tools are free for unlimited personal use. The Pro plan unlocks higher limits and batch features but the core functionality stays free forever.
Absolutely. Many users chain multiple tools together — process a file with one, then feed the result into another. Nothing is uploaded, so chaining is essentially instant.
No. Both Eslint Config and express → fastify work without signup. We only ask for an email if you decide to subscribe to a paid plan.