API Tester

Test REST APIs directly in your browser. Send HTTP requests, inspect responses, generate code snippets, and save collections — no install required.

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JSON Formatter

Format, validate, and minify JSON data.

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Speed Test

Test your internet connection: ping, jitter, download and upload speeds with a real-time animated gauge, live graph, and local history.

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HTML Color Codes

Browse HTML color codes, convert between HEX/RGB/HSL/CMYK, check contrast ratios, and generate color harmonies.

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Regex Tester

Test regular expressions with real-time matching.

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Base64 Encode/Decode

Encode or decode Base64 strings.

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URL Encode/Decode

Encode or decode URL components.

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Hash Generator

Generate SHA-256, SHA-384, and SHA-512 hashes.

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Markdown Preview

Write Markdown and see a live HTML preview side by side.

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Password Strength Checker

Analyze password strength with real-time feedback, crack time estimation, entropy calculation, and security recommendations.

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Digital Safety Score

Check how safe you are online. Get a security score from 0 to 100 based on breach history, password exposure, and email analysis.

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QR Code Scanner

Scan QR codes from images or live camera feed — detects URLs, WiFi, contacts, emails, and plain text.

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JSON Validator

Validate JSON syntax, find errors with line numbers, query with JSONPath, and view statistics.

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JSON to TypeScript

Generate TypeScript interfaces or type aliases from JSON examples.

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JSON Schema Generator

Generate JSON Schema from any JSON data with type inference, format detection, validation mode, and Draft 7/2020 support.

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JSON Path Finder

Paste JSON and click any node to get its JSONPath with interactive tree view.

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SQL Formatter

Format, beautify, and minify SQL queries with support for multiple SQL dialects.

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JWT Decoder

Decode and inspect JSON Web Tokens.

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JWT Generator

Create JSON Web Tokens with custom payload, HMAC signing, and color-coded output.

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Meta Tag Generator

Generate HTML meta tags, Open Graph, and Twitter Card tags for better SEO and social sharing.

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Text Encryption

Encrypt and decrypt text securely using AES-256-GCM encryption in your browser.

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Border Radius Generator

Visually design CSS border-radius with live preview and copy the generated code.

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Flexbox Generator

Visually design CSS flexbox layouts with live preview and generate ready-to-use code.

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CSS Grid Generator

Visually design CSS Grid layouts with live preview and generate ready-to-use code.

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