134+ free tools for developers, designers, and content creators. No registration required, instant results.
Combine multiple PDF files into one document
Split large PDF files into smaller documents
Reduce PDF file size without losing quality
Add password protection to your PDF files
Remove password protection from PDF files
Add custom text or image watermarks to PDF pages
Edit PDF title, author, description and keywords
Convert CSV data to JSON format instantly
Convert JSON arrays to CSV spreadsheet format
Convert CSV files to Excel XLSX format
Export XLSX spreadsheets to plain CSV
Convert JSON config to YAML format
Convert YAML config back to JSON
Convert JSON objects to XML markup
Convert XML markup to JSON format
Export Excel spreadsheet data as JSON
Convert comma-separated to tab-separated values
Convert Markdown to clean HTML code
Strip HTML and convert to Markdown syntax
Strip HTML tags and extract plain text
Validate, format and beautify JSON data
Encode text or decode Base64 strings
Validate and pretty-print XML markup
Count words, characters, sentences and reading time
Convert text to UPPERCASE, camelCase, snake_case and 10+ formats
Compare two texts and highlight line-by-line differences
Generate placeholder text for designs and mockups
Convert between JPG, PNG, WebP, BMP formats
Resize images by pixel dimensions or percentage
Compress images to reduce file size
Convert SVG vector files to raster PNG/JPG
Encode or decode URL-safe strings
Escape or unescape HTML entities
Generate MD5, SHA1, SHA256, SHA512 hashes
Create QR codes for any URL or text
Convert colors between HEX, RGB, HSL, HSV and CMYK
Generate strong secure passwords with custom rules
Generate UUID v4 identifiers in multiple formats
Convert Unix timestamps to human dates and vice versa
Convert between binary, hex, octal, decimal and base-36
Test and debug regular expressions with live match highlighting
Boost productivity with customizable focus and break intervals
Calculate percentages, changes and reverse percentages
Calculate exact age in years, months, days and hours
Calculate Body Mass Index with metric and imperial units
Find exact days, weeks and months between two dates
Decode JSON Web Token header, claims and signature client-side
Format, minify and validate JSON with syntax checking
Convert any image to Base64 Data URL, CSS or HTML format
Parse and validate cron expressions, preview next scheduled runs
Build linear, radial and conic CSS gradients with live preview
Generate harmonious color schemes from triadic, analogous & more
Generate SEO, Open Graph and Twitter Card meta tags instantly
Visually build CSS box-shadow with multiple layers and live preview
Interactive CSS border-radius builder with individual corner controls
Convert length, weight, temperature, speed, volume, area and data units
Calculate monthly EMI, total interest and amortization schedule
Calculate tip amount and split the bill among multiple people
Generate secure random numbers with range, count and unique options
Beautify and format SQL queries with proper indentation and keyword casing
Convert text to binary, hexadecimal, and ASCII — bidirectional
Convert between Arabic numbers and Roman numerals (1–3999)
Convert text to SEO-friendly URL slugs with custom separators and case
Convert text to Morse code and Morse code back to text — bidirectional
Find and replace text with regex, case-sensitive and whole-word support
Sort text lines A→Z, Z→A, by length, numerically, or shuffle randomly
Remove duplicate lines from text with trim, case and sort options
Reverse characters, words or lines — also includes palindrome checker and text repeater
Flesch-Kincaid, Gunning Fog, SMOG and ARI readability analysis
Escape and unescape strings for HTML, URL, JSON, CSS, SQL and JavaScript
Minify CSS to reduce file size or format and beautify for readability
Convert numbers into English words — cardinals, ordinals, up to quadrillions
Find your public IP, city, country, ISP and timezone. Lookup any IP address
Detect your browser, OS, device type and rendering engine from User Agent string
Full scientific calculator with trig, log, memory and calculation history
Remove duplicate rows from CSV files — by column or entire row, browser-side
Convert JSON arrays to SQL INSERT statements for MySQL, PostgreSQL, SQLite
Convert INI and TOML config files to JSON — fully in-browser
Convert CSV to XML and XML to CSV bidirectionally — fully in-browser
Measure your WPM and accuracy with real-time character highlighting
Visualize JSON as a collapsible interactive tree — explore nested structures
Render CSV files as a sortable, searchable, paginated HTML table
Convert JSON arrays to sortable, searchable HTML tables in-browser
Encode / decode text with ROT13, Caesar, Atbash, Vigenère and Morse code
High-precision stopwatch with lap tracking and countdown timer with ring display
Convert CSS pixels to rem, em, pt and vw. Configurable base font size
Analyze how often each word and character appears in your text — visual chart
Trim lines, collapse spaces, remove blank lines and normalize newlines
Convert between Bytes, KB, MB, GB, TB and bit units (Megabits, Gigabits…)
Write or paste HTML and see a sandboxed live preview instantly in your browser
Perform AND, OR, XOR, NOT, left shift and right shift with binary visualization
Convert tab-separated TSV files to CSV and vice versa — fully in-browser
Convert text to speech using your browser. Choose voice, speed and pitch
Calculate missing width or height for 16:9, 4:3 or any custom aspect ratio
Cut text by characters, words, sentences or lines with custom ellipsis
Format numbers as USD, EUR, GBP, INR, JPY and 14 more currencies
Convert numbers between any base 2–36. Binary, Octal, Hex and custom bases
Check if a number is prime or Fibonacci. Prime factorization. Generate Fibonacci sequences
Extract all HEX, RGB and RGBA colors from any CSS, HTML or text
Simulate how colors and images appear with Protanopia, Deuteranopia, Tritanopia and more
Convert tab-separated (TSV) or custom-delimited data to JSON array, with table preview
Infer a JSON Schema (draft-07) from any JSON sample — detects types, nested objects, arrays
Create and download ZIP archive files in your browser — add text files or upload existing ones
Convert plain text to a PDF document in your browser. Configurable font, size, margins, page size
Convert plain text to a Microsoft Word DOCX file in your browser — instant download
Count how often each character appears with a visual bar chart
Repeat any text N times with a configurable separator — copy or download result
Write Markdown and see a live HTML preview side-by-side — headings, code blocks, tables
3-way text merge: combine Base, Left and Right versions with conflict detection
Searchable reference of all HTTP status codes with descriptions, categories and use-cases
Unix file permission calculator — visual checkboxes to/from octal and symbolic notation
Format numbers with commas, scientific notation, compact (1.2M), percentage and currency
Convert between px, rem, em, pt, vh, vw, cm, mm, in and % — configurable root size
See how your link appears on Twitter, Facebook, LinkedIn and Google. Edit OG tags live
Generate bulk fake test data: names, emails, UUIDs, IPs, phones, dates, cities
Create a favicon from text initials or emoji. Download 16, 32, 64 or 128px PNG
Read hidden image metadata: camera model, GPS, ISO, aperture, date — processed in browser
Check password entropy, crack-time estimate and 7-point security checklist instantly
Add or subtract multiple time durations: HH:MM:SS, MM:SS or plain seconds
Interpolate N hex colors between two endpoints — linear, ease and HSL modes
Convert text to block-letter ASCII art with border styles. Copy or download as .txt
Check if two words are anagrams, or search for anagrams of any word in our dictionary
13 text metrics: words, characters, sentences, paragraphs, unique words, reading & speaking time
Convert CSV data to SQL INSERT statements for MySQL, PostgreSQL or SQLite
Convert CSS stylesheets to JSON objects or generate CSS from JSON objects. Bidirectional.
Convert TOML config files to JSON — strings, numbers, booleans, arrays and nested tables
Convert JSON objects to TOML configuration format — scalars, arrays and nested tables
Select specific columns from a CSV file and export to new CSV. Change output separator.
Deep-compare two JSON objects — see added, removed and changed fields with path notation
Quick regex reference for anchors, char classes, quantifiers, groups — with live tester
60+ HTML entities: entity codes, hex and decimal. Search and copy. Plus encoder/decoder.
Draggable sticky notes board — add, edit, rearrange notes. Export all as text.
14 DNS record types with descriptions, examples and use cases — A, MX, TXT, CNAME, DKIM…
Find the CSS name for any hex color. Browse all 140 named CSS / W3C colors.
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