Practical web utilities

Tools that get out of your way.

Focused, fast, and privacy-friendly utilities built for real work.

16 available tools

Developer

Developer tools

11 tools
Free online tool

JSON Formatter & Validator

Format, minify, and validate JSON instantly in your browser.

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Free online tool

JWT Decoder

Decode JWT headers and payloads, inspect claims, and check expiration times privately in your browser.

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Free online tool

Base64 Encoder & Decoder

Encode text to Base64 or decode Base64 to readable UTF-8 text, including URL-safe values.

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Free online tool

UUID Generator & Validator

Generate secure UUID v4 or time-ordered UUID v7 values in bulk and validate existing UUIDs.

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Free online tool

Unix Timestamp Converter

Convert Unix timestamps to readable dates and convert dates back to seconds or milliseconds.

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Free online tool

Secure Password Generator

Generate strong random passwords with customizable length, character groups, and ambiguity controls.

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Free online tool

URL Encoder & Decoder

Encode or decode URL components and complete URLs safely, including Unicode text.

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Free online tool

SHA Hash Generator

Generate SHA-256, SHA-384, or SHA-512 hashes from text with hexadecimal or Base64 output.

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Free online tool

Free Image Converter & Compressor

Convert, compress, and resize JPEG, PNG, and WebP images for free with no registration, email, or upload.

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Free online tool

Free QR Code Generator

Create a custom QR code from a URL or text and download it as a high-quality PNG for free.

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Free online tool

Markdown Previewer

Write or paste Markdown and see a safe live HTML preview instantly in your browser.

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