Browse all available tools
Remove duplicate lines from a list. Paste your list, get unique items.
Compare two texts and highlight differences. Side-by-side or unified view.
Find specified strings within text. Add multiple search strings and discover all occurrences.
Search and replace text. Find occurrences, then replace with new text.
Count words, characters, lines, and paragraphs. Real-time statistics as you type.
Convert text between camelCase, snake_case, kebab-case, and more.
Generate placeholder text by character count. Supports English and Japanese.
Sort lines alphabetically or randomly. A-Z, Z-A, reverse, shuffle. Optional deduplication.
Reverse text order. hello world becomes dlrow olleh.
Find duplicated lines in a pasted list. Show duplicated values separately.
Clean pasted text by removing extra spaces, line breaks, and tabs.
Generate URL slugs from text. Hello World becomes hello-world.
Convert comma-separated or paragraph text into list format.
Convert list format into single text line.
Convert text to sentence case.
Randomize the order of words or lines.
Remove specific characters from text (spaces, numbers, symbols).
Sum numbers from a spreadsheet column. Paste numbers, get the total.
Convert CSV data into Excel (.xlsx) format.
Convert Excel files (.xlsx) into CSV format.
Split a large CSV file into multiple smaller CSV files by row count.
Convert CSV data to JSON format. Paste CSV, get structured JSON.
Format and validate JSON. Paste minified JSON, get pretty-printed output.
Encode and decode Base64 strings. Supports Unicode.
Encode and decode URL-encoded strings. Percent-encoding.
Generate random UUID v4 identifiers. One click, instant result.
Convert JSON array to CSV format. Paste JSON, get comma-separated output.
Convert between Unix timestamp and human-readable date.
Generate secure random passwords. Customize length and character types.
Decode JWT tokens. View header and payload as JSON.
Generate MD5, SHA-256, SHA-512 hashes. Paste text, get hash.
Convert between HEX, RGB, and HSL color formats. Color picker included.
Generate QR codes from text or URLs. Choose size, download as PNG.
Generate QR codes with custom colors. Change foreground and background colors.
Test regular expressions against sample text. Highlight matches with g, i, m flags.
Preview Markdown as rendered HTML. Headings, lists, code blocks.
Convert YAML to JSON and JSON to YAML. Bidirectional conversion with error handling.
Convert HTML to Markdown. Headings, lists, links, tables supported.
Generate cron expressions visually.
Format messy SQL into readable format.
Format HTML code with proper indentation.
Parse URLs into components: protocol, hostname, path, query parameters.
Search HTTP status codes. 404 → Not Found.
Validate JSON and show errors.
Escape and unescape HTML characters.
Validate if a string is a valid UUID.
Generate color palettes from a base color.
Generate multiple strong random passwords.
Generate multiple QR codes from a list of inputs.
Generate multiple UUID v4 values.
Convert XML data into JSON.
Convert JSON data into XML format.
Convert Markdown text into HTML.
Extract readable text from HTML.
Upload image and compress it. Output smaller file.
Resize image width and height.
Convert image to base64 string.
Convert images between PNG, JPG, and WebP formats.
Resize images for Instagram, Twitter, Facebook, LinkedIn, YouTube, Pinterest.
Remove background from images. Output PNG with transparency.
Upload image and crop selected area.
Rotate image by 90°, 180°, or 270°.
Extract colors from uploaded images.
Convert PNG images to JPG format.
Convert JPG images to PNG format.
Convert WebP images to PNG or JPG.
Display metadata from images: file size, resolution, EXIF data.
Split a PDF into multiple pages.
Merge multiple PDF files into one.
Convert PDF pages to images.
Convert uploaded images into a PDF.
Count total pages in a PDF.
Extract specific pages from a PDF.
Remove selected pages from a PDF file.
Rotate pages in a PDF.
Display metadata from a PDF.
Extract text content from a PDF file.
Convert length, weight, and temperature. m↔ft, kg↔lb, °C↔°F.
Calculate percentages. What is X% of Y? What percent is A of B?
Calculate age from birth date. Years, months, days, and total days.
Find when you'll have lived for a repdigit number of days (e.g., 7777, 11111).
Generate random numbers between min and max. Cryptographically secure.
Calculate BMI from height and weight. Japanese standard categories.
Calculate days between two dates. Simple date difference calculator.
Calculate discount price and savings.
Calculate tips based on bill amount and percentage.
Calculate monthly loan payments.
Calculate compound interest over time.
Generate SEO meta tags for title, description, and keywords.
Preview how a link will appear when shared on social media.
Generate a robots.txt file based on user options.
Generate a basic sitemap.xml structure from user URLs.
Generate marketing URLs with UTM parameters.
Convert time between different time zones.
Pick a random value from a list.
Generate random strings based on length and character type.
Create countdown timers to specific dates.
Check password strength and provide feedback.
Validate if an email address format is correct.
Generate random addresses for testing and demo purposes.
Generate random names for testing and demo data.