All Tools

JSON Formatter & Validator

Pretty print, validate, and format JSON data with syntax highlighting and error detection.

JSON Minifier

Compress JSON by removing whitespace while preserving data integrity.

JSON to YAML Converter

Convert between JSON and YAML formats with clear error messages.

CSV to JSON Converter

Convert CSV data to JSON format with custom delimiter and header options.

XML Formatter & Validator

Format, indent, and validate XML documents with detailed error reporting.

Markdown Previewer

Write Markdown and see live HTML preview with syntax highlighting.

Encoders & Text Tools

8 tools

Base64 Encode / Decode

Encode text to Base64 or decode Base64 back to plain text instantly.

URL Encode / Decode

Encode special characters for URLs or decode percent-encoded strings.

HTML Entity Encode / Decode

Convert special characters to HTML entities and decode them back.

Unicode Normalizer & Zero-Width Cleaner

Normalize Unicode text and remove invisible zero-width characters.

String Case Converter

Convert text between camelCase, PascalCase, snake_case, kebab-case, and more.

Slug Generator

Generate SEO-friendly URL slugs from any text.

Security & Crypto Tools

8 tools

Hash Generator

Generate SHA-1, SHA-256, and SHA-512 hashes from text using the Web Crypto API.

HMAC Generator

Generate HMAC signatures using SHA-256 or SHA-512 for message authentication.

Password Generator

Generate secure random passwords with customizable length and character options.

Password Strength Estimator

Analyze password strength locally with entropy calculation and security feedback.

UUID Generator

Generate cryptographically random UUID v4 identifiers in bulk.

Checksum Tool

Generate SHA-256 and SHA-512 checksums for text and files locally.

SEO Tools

8 tools

Meta Title & Description Checker

Check title and description length with character/pixel counts and SERP previews.

SERP Snippet Preview

Preview how your page will appear in Google search results.

Robots.txt Generator

Generate properly formatted robots.txt files with an easy visual builder.

Sitemap XML Generator

Generate valid XML sitemaps from a list of URLs with optional metadata.

UTM Builder

Build UTM-tagged URLs for campaign tracking in Google Analytics.

Canonical URL Checker

Validate canonical URL format and get best practice recommendations.

Design, Color & Media Tools

8 tools

HEX / RGB / HSL Color Converter

Convert colors between HEX, RGB, and HSL formats with live preview.

Contrast Checker (WCAG)

Check color contrast ratios for WCAG accessibility compliance.

CSS Gradient Generator

Create CSS linear gradients with visual editor and copy-ready code.

Color Palette Generator

Generate harmonious color palettes from any base color.

Image to Base64 Converter

Convert images to Base64 data URLs for embedding in code.

Base64 to Image Decoder

Decode Base64 strings back to viewable and downloadable images.

Everyday Math & Productivity

8 tools

Percentage Calculator

Calculate percentage change, discounts, markup, and more with formula explanations.

Unit Converter

Convert between length, weight, and temperature units instantly.

Tip & Split Bill Calculator

Calculate tips and split bills evenly among your group.

Simple Interest Calculator

Calculate simple interest on loans or investments with formula breakdown.

Compound Interest Calculator

Calculate compound interest with contributions and yearly breakdown.

Date Difference Calculator

Calculate days, weeks, months, and years between two dates.