All Tools

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Base64 Encode / Decode

Convert text or file contents to and from Base64. URL-safe mode, one-click copy and download.

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Base58 Encode / Decode

Encode text to Base58 or decode Base58 strings. Supports Bitcoin, Flickr, and Ripple alphabets.

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JSON Formatter

Prettify or minify JSON with syntax validation, CSV/SQL export, and input history.

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Password Generator

Customize length and character sets to generate strong random passwords locally.

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Timestamp Converter

Convert Unix timestamps to human-readable dates and back, with timezone support.

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URL Encode / Decode

Encode or decode URL parameters at the full or component level.

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UUID Generator

Bulk-generate UUID v4 with options for case, hyphens, and braces.

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Word Counter

Count words, characters, sentences, and estimate reading time in real time.

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Random Number Generator

Generate random numbers, shuffle lists, roll dice, and flip coins.

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Unit Converter

Convert length, weight, temperature, area, volume, speed, data, and time.

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Image Resizer

Resize images to any dimensions, change format and quality - no upload needed.

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Image Compressor

Reduce image file size by adjusting quality. JPEG, PNG, WebP output - no upload needed.

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WebP Converter

Convert any image to WebP, PNG, or JPEG. Compare file sizes and download instantly.

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YouTube Thumbnail Downloader

Download YouTube thumbnails in all resolutions from any video URL.

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JPG to PNG

Convert JPEG images to lossless PNG format instantly in your browser.

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PNG to JPG

Convert PNG images to JPEG with adjustable quality and background fill.

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WebP to JPG

Convert WebP images to JPEG or PNG for universal compatibility.

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Rotate & Flip Image

Rotate images 90鑴楁幊, 180鑴楁幊, 270鑴楁幊 and flip horizontally or vertically.

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Grayscale Image

Convert color images to grayscale or pure black and white.

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Blur Image

Apply Gaussian blur to images for privacy, artistic, or soft-focus effects.

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Remove EXIF Data

Strip GPS location, camera info, and all EXIF metadata from photos.

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Resize for Instagram

Resize images to exact Instagram dimensions - Feed, Story, Reels, and more.

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Compress to Target Size

Compress images to a specific file size (100KB, 50KB, 200KB, or custom).

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QR Code Generator

Create custom QR codes for URLs, WiFi, contacts, and email. Add colors and logo.

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URL Slug Generator

Convert titles to clean SEO-friendly URL slugs. Supports Chinese to pinyin.

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Lorem Ipsum Generator

Generate placeholder text in Classic Lorem, Chinese, Tech, or Business themes.

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Color Picker

Convert colors between HEX, RGB, HSL, and CMYK. Pick, copy, and save to history.

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Regex Tester

Test regular expressions with real-time match highlighting, group capture, and replace mode.

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Markdown Preview

Write Markdown and see a live rendered preview. Copy HTML or download the source file.

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Cron Expression Builder

Build cron expressions visually with human-readable descriptions and next run time preview.

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YAML →JSON Converter

Convert YAML to JSON and JSON to YAML instantly. Supports nested objects, arrays, and anchors.

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Number Base Converter

Convert numbers between binary, octal, decimal, and hexadecimal with bit info.

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Text Case Converter

Convert text to camelCase, PascalCase, snake_case, kebab-case, Title Case, and more.

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HTTP Status Codes

Complete HTTP status code reference - 1xx through 5xx. Search by code or keyword.

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String Escape / Unescape

Escape or unescape strings for JSON, JavaScript, HTML entities, and SQL.

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JWT Decoder / Inspector

Decode JWT header, payload, and signature. Inspect claims and check expiration at a glance.

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HTML Entity Encode / Decode

Encode or decode HTML entities - named (&) and numeric (&) formats.

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Hash Generator

Generate MD5, SHA-1, SHA-256, SHA-512 hashes from text or file. Case toggle included.

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CSS Formatter & Minifier

Beautify compressed CSS for readability or minify for production. Configurable indent.

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SQL Formatter

Format SQL queries for MySQL, PostgreSQL, SQLite and more. Keyword case options.

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Diff Viewer

Compare two texts side by side. Highlights added, removed, and changed lines.

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JSONPath Tester

Query JSON data with JSONPath expressions. Real-time results, wildcard and filter support.

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XML Formatter

Beautify or minify XML with validation. Supports configurable indent and error reporting.

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Markdown to HTML

Convert Markdown to HTML source or preview instantly. Supports GFM tables, fenced code blocks.

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URL Parser / Builder

Parse any URL into components or build one from parts. Inspect and edit query parameters.

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Bcrypt Hash / Verify

Generate bcrypt password hashes with configurable salt rounds and verify passwords locally.

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IP Address Lookup

Look up geolocation, ISP, ASN, and country for any IP address. Auto-detects your own IP.

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JS Formatter & Minifier

Beautify or minify JavaScript code. Configurable indent, string-safe minifier. No data sent.

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Line Tools

Sort, deduplicate, reverse, remove empty lines, and trim each line instantly.

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Base32 Encode / Decode

Encode text to Base32 or decode Base32 strings. Supports RFC 4648 and Extended Hex alphabets.

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HMAC Generator

Generate HMAC-SHA-256/512 signatures with a secret key. HEX or Base64 output. Web Crypto API.

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Timezone Converter

Convert date and time between 80+ global timezones. Auto-detects local timezone.

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HTML Formatter / Minifier

Format and minify HTML code with customizable indentation options.

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AES Encrypt / Decrypt

Encrypt and decrypt text using AES-256-GCM with a passphrase. Runs in browser.

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Color Palette Generator

Generate complementary, analogous, triadic, and monochromatic color palettes.

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CSS Gradient Generator

Create and preview CSS linear and radial gradients. Copy ready-to-use CSS code.

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WCAG Contrast Checker

Check color contrast ratio for WCAG AA and AAA accessibility compliance.

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URL Builder

Build and parse URLs with scheme, host, path, and query parameters.

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User Agent Parser

Parse User Agent strings to identify browser, OS, device, and engine details.

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JSON →CSV Converter

Convert between JSON arrays and CSV format with custom delimiter support.

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Countdown Timer

Create countdown timers to any future date and time. Includes quick presets.

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Roman Numeral Converter

Convert between Arabic numbers and Roman numerals. Supports 1 - 999.

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Morse Code Encoder / Decoder

Encode text to Morse code or decode Morse code back to text. Supports A鑺掕仚鑱痁, 0 - , and common punctuation.

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chmod Calculator

Calculate Unix file permissions visually. Get octal and symbolic notation, chmod command, and ls -la preview instantly.

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Binary / Text Converter

Convert text to binary (0s and 1s) and binary back to text. Supports space, newline, and no-delimiter formats.

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Color Format Converter

Convert colors between HEX, RGB, HSL, and CMYK formats instantly. Includes a visual color picker and WCAG contrast preview.

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Date Calculator

Calculate date differences, add/subtract days, count business days, and compute exact age.

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BMI Calculator

Calculate Body Mass Index with Metric or Imperial units. Shows BMI category, visual scale, and healthy weight range.

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Loan Calculator

Calculate monthly payments, total interest, and view a year-by-year amortization schedule for any fixed-rate loan.

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ASCII Table

Full ASCII 0 - 27 reference with decimal, hex, octal, and binary values. Search by character, code, or description.

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Text Cleaner

Remove extra spaces, blank lines, duplicate lines, HTML tags, URLs and more. Live preview with one-click copy.

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CSS Minifier

Compress CSS by removing comments, whitespace, and redundant code. Shows exact byte savings and compression ratio.

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JS Minifier

Compress JavaScript using Terser. Mangle variable names, remove dead code, and reduce file size for production.

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TOML →JSON

Convert between TOML and JSON. Supports tables, arrays of tables, inline tables, and all TOML v1.0 types.

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JWT Builder

Build and sign JSON Web Tokens with HMAC (HS256/HS384/HS512). Set payload claims, expiry, and secret key.

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Color Blindness Simulator

Simulate how images appear to people with color vision deficiency. Test UI for protanopia, deuteranopia, tritanopia, and more.

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XML →JSON

Convert between XML and JSON. Handles nested elements, attributes, text nodes, and arrays automatically.

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Number Formatter

Format numbers with thousand separators, currency, scientific notation, and in-words representation.

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Port Reference

Search 80+ common TCP/UDP port numbers by port or service name. Covers databases, messaging, monitoring, and more.

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MIME Types

Find the correct Content-Type header for any file extension. 150+ MIME types across web, image, video, audio, and document formats.

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Contrast Checker (WCAG)

Test multiple text/background color pairs against WCAG AA and AAA standards. Live preview with contrast ratio.

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