All tools
51 tools that actually work. Pick a category or search with your browser.
Text & Writing (19)
Word Counter
Count words, characters, sentences, and paragraphs in any text.
Character Counter
Count characters with and without spaces.
Reading Time Estimator
Estimate how long a text takes to read.
Text Case Converter
Convert text to upper, lower, title, sentence, and camel case.
Remove Duplicate Lines
Remove duplicate lines from text.
Sort Lines
Sort lines alphabetically or numerically.
Trim Whitespace
Trim leading/trailing whitespace from each line.
Normalize Line Endings
Convert CRLF/CR line endings to LF.
Remove Extra Blank Lines
Collapse consecutive blank lines.
Find and Replace
Find and replace text with case sensitivity options.
Text Diff
Compare two texts and show differences.
Text Reversal
Reverse text, words, or lines.
Slug Generator
Generate URL-friendly slugs from text.
URL Encode / Decode
Percent-encode or decode URL components.
HTML Entity Encode / Decode
Encode or decode HTML entities.
JSON Formatter & Validator
Format, validate, and minify JSON.
Lorem Ipsum Generator
Generate placeholder Lorem Ipsum text.
Unicode Inspector
Inspect code points, UTF-8 bytes, and character names.
Whitespace Inspector
Reveal invisible whitespace and control characters.
Image (6)
Image Dimension Inspector
Inspect image dimensions, size, and type.
Aspect Ratio Calculator
Calculate and simplify aspect ratios.
Image Resizer
Resize images in the browser.
Image Format Converter
Convert images between PNG, JPEG, and WebP.
Image Compressor
Compress images with adjustable quality.
Palette Extractor
Extract dominant colors from an image.
Developer & Data (12)
Base64 Encode / Decode
Encode or decode Base64 strings (UTF-8 safe).
UUID Generator
Generate UUIDs (v4) in bulk.
Timestamp Converter
Convert between Unix timestamps and human dates.
Regular Expression Tester
Test regex against text with flags and capture groups.
Hash Calculator
Compute SHA-1, SHA-256, SHA-384, SHA-512 hashes.
JWT Inspector
Decode JWT header and payload (no signature verification).
XML Formatter
Format and validate XML.
CSV Inspector
Parse and inspect CSV data.
Cron Expression Helper
Describe cron expressions in plain English.
HTTP Status Reference
Reference of HTTP status codes.
MIME Type Lookup
Look up MIME types by extension.
Color Converter
Convert between HEX, RGB, HSL, and other color formats.
QR & Barcode (1)
Calculators (5)
Percentage Calculator
Calculate percentages, increases, and decreases.
Date Difference Calculator
Calculate the difference between two dates.
Unit Converter
Convert length, weight, temperature, and more.
File Size Converter
Convert between bytes, KB, MB, GB.
Timezone Converter
Convert times between timezones.