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FPS Calculator
Calculate frame time (ms) from target FPS. For game dev and performance tuning.
Unity Screen/World Coordinates
ScreenToWorldPoint / WorldToScreenPoint conversion. Camera FOV, resolution, position, rotation.
Color Converter
Convert between HEX, RGB, and Unity Color. For UI and materials.
JSON Formatter
Format, minify, and validate JSON. For API development and debugging.
Base64 Encode/Decode
Encode and decode text to Base64. For API integration and data transfer.
Unix Timestamp Converter
Convert between Unix timestamp and datetime. For API, logs, DB.
px / rem Converter
Convert between px and rem. Adjustable base font size.
URL Encode/Decode
Encode and decode URL. For query strings and API params.
Regex Tester
Test regex patterns and view match results.
JWT Decode
Decode JWT tokens to view header and payload. For API auth debugging.
Hash Generator
Generate SHA-256, SHA-384, SHA-512 hashes.
UUID Generator
Generate UUID v4. For unique IDs and primary keys.
Color Contrast Checker
Check contrast ratio. WCAG compliance.
CSS Gradient Generator
Generate linear-gradient and radial-gradient visually.
CSS box-shadow Generator
Generate box-shadow with live preview.
QR Code Generator
Generate QR codes from URL or text. Free download.
Markdown Formatter
Normalize full-width→half-width, fix spacing. HackMD-compatible.
Text Diff
Compare two texts. For code and config.
HTML Escape/Unescape
Escape and unescape HTML special chars. XSS prevention, text display.
Lorem Ipsum Generator
Generate dummy text for design and layout. Paragraphs and sentences configurable.
Password Generator
Generate random strong passwords. Length and character types configurable.
Case / Naming Convention Converter
Convert to camelCase, snake_case, kebab-case, PascalCase, etc.
YAML ↔ JSON Converter
Convert between YAML and JSON. For config files and API.
Fluid Typography Calculator
Generate clamp() values for viewport-responsive font sizes.
Aspect Ratio Calculator
Calculate height from width and ratio. For YouTube, images.
Golden Ratio Calculator
Split a value by the golden ratio (φ). For layout and design proportions.
Silver Ratio Calculator
Split a value by the silver ratio (√2). For A4, Japanese design, and layout proportions.
CSS Grid Generator
Generate grid-template from rows and columns.
Glassmorphism CSS Generator
Generate frosted glass-style CSS. backdrop-filter included.
Line-height Calculator
Convert design line spacing (px) to line-height multiplier.
RGBA ↔ HEX Converter
Convert between RGBA and HEX. Alpha/transparency supported.
Tailwind Color Search
Find closest Tailwind class from HEX. e.g. bg-blue-500.
JSON to CSV Converter
Convert Web API JSON to CSV for Excel.
Markdown Table Generator
Convert Excel paste to Markdown table syntax.
Minify (Remove Newlines & Spaces)
Collapse text to one line. For minification.
Character & Line Count
Count characters and lines. Toggle spaces and newlines.
Remove Duplicate Lines
Remove duplicate lines from a list.
OGP Preview
Simulate how a URL looks when shared on SNS.
Favicon Generator
Generate favicons for all devices from one image.
.htaccess Generator
Generate redirect (301) and other Apache rules from form input.
robots.txt Generator
Generate robots.txt with Allow/Disallow via GUI.
SSL Certificate Expiry Check
Check SSL certificate expiry for a domain.
DNS Record Lookup
Check A, MX, CNAME records. Simple display.
Browser Info (User-Agent)
Display your current User-Agent string.
Bug Report Support
Generate formatted bug report templates. Crashes, freezes, glitches—all bug types. Auto-fetch env info, select items, copy. For game support.
Image Compress & WebP Converter
Compress images to WebP/JPEG/PNG in your browser. Compare sizes and download. No server upload.
SQL Formatter & Minifier
Format SQL with indentation or minify to one line. Uppercase keywords option included.
Image Color Picker (Eyedropper)
Click on an image to extract HEX/RGB/HSL color codes. Palette storage included.
LLM Token Counter
Estimate LLM token counts in real time. GPT-4/Claude/Gemini with API cost approximation.
Dummy Image Generator
Create dummy/placeholder images with custom size, color, and text. Download as PNG/JPEG.
Image Resize
Resize images. Width/height, aspect ratio. Bulk support.
Escape Sequence Converter
Escape/unescape newlines and tabs.
.env Formatter
Format .env by key order.
Color Name Search
HEX to color name. Name to HEX.
MD5 Hash Generator
MD5 hash. Legacy use only.
Lua Formatter
Format Lua. Indent.
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