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Free utilities

Developer tools

110 quick tools that run in your browser — nothing to install.

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JSON Formatter

Format, validate, minify and sort JSON with exact error positions.

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Base64 Encoder

Encode and decode Base64 text and files, with full Unicode and URL-safe support.

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Hash Generator

Generate MD5, SHA, PBKDF2 and Bcrypt hashes right in your browser.

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Password Generator

Create strong random passwords or passphrases with entropy and crack-time estimates.

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HTML Editor

Write HTML and preview it live, with formatting, import and export.

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Regex Tester

Test regular expressions with live highlighting and capture groups.

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Color Palette Generator

Generate harmonious colour palettes and export them as CSS variables, SCSS or JSON.

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Image Compressor

Shrink JPG, PNG and WebP images in your browser with a quality slider and before/after sizes.

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QR Code Generator

Create QR codes for links, text, Wi-Fi, contacts, email and SMS; download PNG or SVG.

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PDF Merger

Combine several PDFs into one, in the order you choose — all in your browser.

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cURL to Code

Convert cURL commands into fetch, Axios, Python requests, PHP, Go and Node.js code.

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Cron Helper

Explain cron schedules in plain English and see the next runs.

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