Free Online Tools for Developers
Fast, private utilities that run entirely in your browser. No data ever leaves your machine.
All Tools
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PopularJSON Formatter
Format, validate, minify JSON and auto-generate TypeScript types.
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PopularPassword Generator
Generate strong random passwords with real-time strength analysis.
Securityπ
Base64 Converter
Encode and decode Base64 strings instantly, fully in your browser.
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PopularColor Picker
Pick colors, convert between HEX/RGB and check WCAG contrast.
DesignπΌοΈ
PopularImage Compressor
Compress JPG/WebP images in your browser. No uploads, no queue.
Designπ
CSV to JSON
Convert CSV to JSON and back, with clean client-side parsing.
DataWhy ToolHive?
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Blazing Fast
Everything runs client-side. Zero server round-trips.
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Private by Design
Your files and data never leave your device.
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Free to Start
10 uses per day free. Upgrade to Pro for unlimited access.