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142 tools found

API Tester

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

JSON Formatter

Format, validate, and minify JSON data.

Speed Test

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

HTML Color Codes

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

Regex Tester

Test regular expressions with real-time matching.

Base64 Encode/Decode

Encode or decode Base64 strings.

URL Encode/Decode

Encode or decode URL components.

Hash Generator

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

Markdown Preview

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

Password Strength Checker

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

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.

QR Code Scanner

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

JSON Validator

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

JSON to TypeScript

Generate TypeScript interfaces or type aliases from JSON examples.

JSON Schema Generator

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

JSON Path Finder

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

SQL Formatter

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

JWT Decoder

Decode and inspect JSON Web Tokens.

JWT Generator

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

Meta Tag Generator

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

Text Encryption

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

Border Radius Generator

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

Flexbox Generator

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

CSS Grid Generator

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