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No file uploads, no account registration. Compress images, split PDFs, format XML, encrypt strings, parse cron patterns, and more completely offline.
Popular Tools
PDF Merger
Combine multiple PDF documents into a single file with exact page ordering.
PDF Compressor
Reduce the file size of PDF documents while retaining readable text and images.
Image Compressor
Compress JPG, PNG, and WebP images to reduce size while retaining quality.
Image Converter
Convert image file formats between JPG, PNG, WebP, BMP, and GIF.
Explore Categories
PDF Merger
Combine multiple PDF documents into a single file with exact page ordering.
PDF Splitter
Split a PDF file into multiple files by specifying page ranges.
PDF Compressor
Reduce the file size of PDF documents while retaining readable text and images.
PDF to Images
Convert pages of a PDF document into high-quality PNG or JPEG images.
Images to PDF
Combine multiple images (JPG, PNG, WebP) into a single clean PDF document.
PDF Page Remover
Remove specific pages or ranges from a PDF document.
PDF Rotator
Rotate individual or all pages of a PDF file by 90, 180, or 270 degrees.
PDF Watermark
Add a custom text overlay as watermark on all pages of a PDF document.
PDF Protector
Secure your PDF files by adding a password with standard user encryption.
PDF Unlock
Remove password protection and restrictions from a PDF if password is known.
PDF Metadata Editor
Edit internal PDF meta information: title, author, subject, and keywords.
PDF Page Reorder
Drag and drop thumbnails to visually reorder pages in a PDF document.
Image Compressor
Compress JPG, PNG, and WebP images to reduce size while retaining quality.
Image Resizer
Resize images by pixels or custom percentage with aspect ratio constraints.
Image Cropper
Crop images with aspect ratio presets (1:1, 16:9, 4:3) or custom bounding box.
Image Converter
Convert image file formats between JPG, PNG, WebP, BMP, and GIF.
Image to Base64
Encode images into Base64 URI strings for immediate use in CSS/HTML.
Base64 to Image
Decode Base64 string data URI back to visual downloadable images.
Image Metadata Viewer
Extract and view EXIF, GPS, camera model, and other metadata from images.
Image Flipper/Rotator
Flip images horizontally, vertically, or rotate by arbitrary angles.
Grayscale Converter
Convert colorful images into monochromatic black-and-white images.
Background Remover
Extract foreground subjects and remove backgrounds completely locally.
Image Watermark Adder
Add a custom text or logo watermark onto your images.
Bulk Image Resizer
Resize multiple images in a single batch operation.
SVG to PNG Converter
Rasterize vector SVG files into standard high-resolution PNG assets.
PNG to SVG Converter
Trace basic pixel boundaries of PNG images into scalable vector SVG path tags.
WebP Converter
Convert various image formats quickly into lightweight, optimized WebP files.
Word Counter
Count words, characters, sentences, paragraphs, and estimate reading time.
Character Counter
Real-time count of total characters with and without whitespaces.
Text Case Converter
Convert text case format to UPPERCASE, lowercase, Title Case, camelCase, snake_case, or kebab-case.
Text Reverser
Reverse whole sentences, words, or individual characters.
Duplicate Line Remover
Clean up your text by filtering out and removing duplicate lines of input.
Text Sorter
Sort text lists alphabetically, in reverse, or randomly shuffle them.
Whitespace Remover
Trim lines, collapse multiple spaces, or strip all whitespaces entirely.
Text Differ
Compare two text sections side-by-side to highlight additions and deletions.
Lorem Ipsum Generator
Generate mock placeholder paragraphs, sentences, or lists for designs.
Password Generator
Create secure passwords with customizable options and built-in strength metrics.
UUID Generator
Generate standard RFC 4122 compliant UUID version 1 and version 4 strings.
Text to Slug
Convert standard strings into URL-friendly lowercase slugs.
Markdown to HTML
Parse structured Markdown text into browser-ready HTML blocks.
HTML to Markdown
Convert HTML elements back into lightweight Markdown formatting.
Text Truncator
Shorten strings to target counts appending ellipsis suffixes gracefully.
String Repeater
Multiply a target string input by a set number of times with custom separators.
Scientific Calculator
Standard calculation pad supporting trigonometric, log, power, and memory functions.
Age Calculator
Determine exact age in years, months, weeks, and days based on birth date.
BMI Calculator
Compute Body Mass Index (BMI) using metric or imperial units.
Percentage Calculator
Calculate percentage changes, ratios, relative shares, and fraction scales.
Tip Calculator
Divide bills among people adding customized tip percentages instantly.
Loan / EMI Calculator
Calculate monthly installments, interest payments, and breakdown schedules.
Date Difference Calculator
Count the number of calendar days, weeks, or business hours between two dates.
Time Zone Converter
Convert clock timings across global locations and time zones.
Unit Converter
Convert units of length, weight, temperature, area, volume, and speed.
Currency Converter
Convert values across international currencies with manual rate override options.
Discount Calculator
Calculate original vs promotional prices, listing absolute savings.
Tax Calculator
Determine tax amounts, net prices, and total margins given percentage rates.
Fuel Cost Calculator
Calculate total trip fuel costs based on distance, consumption, and unit price.
Roman Numeral Converter
Convert arabic numbers to roman representations and vice versa.
JSON ↔ CSV Converter
Convert structured JSON lists into CSV spreadsheets, and vice versa.
JSON ↔ YAML Converter
Interconvert structural hierarchies between JSON format and human-friendly YAML syntax.
JSON ↔ XML Converter
Translate hierarchical JSON nodes to XML tag sets, and vice versa.
CSV to Table Viewer
Parse CSV strings to display them in clean, searchable visual web tables.
Markdown Previewer
Render markdown inputs side-by-side with formatted CSS visual displays.
HTML to Plain Text
Strip and extract tag-free text content from raw HTML markup files.
JSON Formatter
Beautify, validate, minify, and spot errors in JSON code blocks.
XML Formatter
Prettify, format, or minify XML markup tags, validating basic syntax.
YAML Validator
Check correctness, syntax hierarchies, and error locations in YAML inputs.
SQL Formatter
Format structured SQL queries (SELECT, JOINs) for clean readability.
CSS Formatter / Minifier
Beautify stylesheet listings or compress CSS definitions for deployment.
JS Formatter / Minifier
Beautify javascript syntax trees or minify variables to optimize footprint.
HTML Formatter / Minifier
Indent HTML DOM trees logically or strip comments/spaces for speed.
Number Base Converter
Translate numeric representation among Binary, Octal, Decimal, and Hex bases.
ASCII to Hex / Binary
Encode text strings into hexadecimal grids or byte streams, and vice versa.
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 cryptographic hashes using the Web Crypto API.
Base64 Encoder/Decoder
Encode or decode strings to/from Base64 standard ASCII representations.
URL Encoder/Decoder
Percent-encode queries to safe URL paths, and decode encoded URL formats.
JWT Decoder
Inspect header, payload, and signatures of Json Web Tokens locally.
HTML Entity Encoder/Decoder
Convert special characters (like <, >) to HTML entity representation codes, and vice versa.
Password Strength Checker
Evaluate password entropy, checking character splits and time-to-crack metrics.
AES Encrypter/Decrypter
Encrypt and decrypt messages locally using robust AES-GCM standard keys.
QR Code Generator
Generate customized high-contrast QR Codes for links, text, or emails.
QR Code Reader
Read, scan, or extract URLs from QR codes using files or camera streams.
Bcrypt Hash Generator
Compute bcrypt hashes with adjustable cost rounds to verify secure passwords.
HMAC Generator
Calculate Keyed-Hash Message Authentication Codes (HMAC) with custom secret keys.
Meta Tag Generator
Generate standard SEO head tags: titles, meta descriptions, and crawling indices.
Open Graph Preview
Mock preview card renderings for Twitter, Facebook, and Discord link shares.
Robots.txt Generator
Build crawlers-friendly robots.txt rules allowing or disallowing search bots.
Sitemap Generator
Build sitemap.xml listings quickly by manually inserting URL lists.
HTTP Status Code Reference
Look up definitions, categories, and descriptions of all standard HTTP return codes.
MIME Type Reference
Search file extensions to match their proper Web Standard MIME Type headers.
URL Parser
Break down URL strings into segments: protocol, hostname, search parameters, hash, and port.
UTM Builder
Generate trackable marketing URLs adding Google Analytics UTM tags.
Favicon Generator
Generate multi-size browser favicon ICO or PNG sets from text or image uploads.
htaccess Redirect Generator
Write Apache web server redirect rules (.htaccess) with standard expressions.
IP Address Info
Look up geographic geolocation, hosting providers, and registry details of any IP.
Temporary Email Generator
Generate disposable temporary email addresses and read incoming messages client-side.
Color Picker
Inspect colors interactively outputs HEX, RGB, HSL, and HSV systems.
Color Converter
Convert color formats back and forth: HEX ↔ RGB ↔ HSL ↔ CMYK.
Color Palette Generator
Generate harmonious color schemes: monochromatic, analogous, triad, or complementary.
Gradient Generator
Create visual linear or radial CSS gradients, copy cross-browser code.
Contrast Checker
Verify readability scores between foreground and background colors using WCAG standards.
Tint & Shade Generator
Produce lighter tint and darker shade steps from any primary color hex.
Color Blindness Simulator
Simulate how images look to individuals with deuteranopia, protanopia, or tritanopia.
CSS Box Shadow Generator
Create modern CSS box shadows visually adjusting offsets, blur, and opacity.
CSS Border Radius Generator
Visually sculpt complex border-radius geometries, copy Tailwind/CSS code.
CSS Text Shadow Generator
Create beautiful, crisp text shadows adjusting offsets, blur, and opacity.
JSON Viewer
View and traverse complex JSON data in a collapsible tree display.
CSV Viewer & Editor
Open CSV files in an interactive, spreadsheet-like data grid to edit columns.
Table Generator
Interactively design tables, outputting markup HTML code tags.
Chart Maker
Produce responsive bar, line, and pie charts locally, download as image.
Regex Tester
Test regular expressions in real-time, displaying matches and group details.
Cron Expression Builder
Interactively generate cron schedule timings and read human explanations.
HTML Color Names
Explore the full directory of standard named colors, their hex codes, and categories.
Unicode Character Lookup
Search and inspect symbols, characters, and escape strings by name.
Emoji Finder & Copier
Browse emojis by category or search term, copy with a single tap.
Code Diff Viewer
Compare code listings side-by-side highlighting line additions and updates.
Syntax Highlighter
Paste raw code to highlight syntax, copy beautiful, formatted HTML files.
Character Escape Tool
Escape HTML, JavaScript, and JSON strings for raw variables.
HTTP Header Analyzer
Parse and inspect raw key-value headers to identify security and cache configurations.
Timestamp Converter
Interconvert unix epoch integers and human date strings.
String Hash Visualizer
Convert a string to a unique visual identicon hash signature.
CSS Specificity Calculator
Calculate specificity weights of CSS selectors, listing ids, classes, and elements.
Flexbox Visual Playground
Experiment and generate CSS properties for flex direction, alignments, and gap spaces.
CSS Grid Visual Playground
Experiment and generate code for column tracks, row alignments, and gap layouts.
Aspect Ratio Calculator
Compute dimension proportions, scaling width and height parameters.
Pixels to REM Converter
Convert pixels to rem and em sizes relative to standard font settings.