All Tools
Browse all 42 free tools on Outilo, organised by category.
Text Tools
Word Counter
Count words, characters, sentences and reading time as you type.
Text ToolsCase Converter
Convert text to UPPERCASE, lowercase, Title Case and more.
Text ToolsLorem Ipsum Generator
Generate placeholder paragraphs, sentences or words instantly.
Text ToolsText Diff Checker
Compare two texts and highlight added and removed lines.
Text ToolsSlug GeneratorNEW
Turn any title into a clean, SEO-friendly URL slug.
Text ToolsRemove Duplicate LinesNEW
Delete duplicate lines from a list, with sorting and trimming.
Text ToolsReading Time CalculatorNEW
Estimate how long any text takes to read or say out loud.
Text ToolsText ReverserNEW
Reverse characters, words or lines of any text.
Text ToolsFind and ReplaceNEW
Find and replace text in bulk, with case and regex options.
Text ToolsWhitespace RemoverNEW
Clean up extra spaces, tabs and blank lines in text.
Text ToolsText Line SorterNEW
Sort lines alphabetically, by length or numerically.
Text ToolsWord Frequency CounterNEW
See which words appear most often in your text.
Text ToolsDeveloper Tools
JSON Formatter & Validator
Beautify, minify and validate JSON in your browser.
Developer ToolsBase64 Encoder & Decoder
Encode text to Base64 or decode it back instantly.
Developer ToolsURL Encoder & Decoder
Percent-encode or decode URLs and query parameters.
Developer ToolsUUID Generator
Generate random version 4 UUIDs in bulk.
Developer ToolsHash Generator
Generate MD5, SHA-1, SHA-256 and SHA-512 hashes.
Developer ToolsCSS Minifier
Compress CSS by removing comments and whitespace.
Developer ToolsUnix Timestamp Converter
Convert between Unix timestamps and human dates.
Developer ToolsMarkdown to HTMLNEW
Convert Markdown to clean HTML and copy the code.
Developer ToolsNumber Base ConverterNEW
Convert between binary, octal, decimal and hexadecimal live.
Developer ToolsImage Tools
PDF Tools
Merge PDF
Combine several PDF files into one, in your browser.
PDF ToolsSplit PDF
Extract a range of pages from a PDF into a new file.
PDF ToolsCompress PDF
Reduce the file size of a PDF, right in your browser.
PDF ToolsRotate PDF
Rotate every page of a PDF and save the result.
PDF ToolsImages to PDF
Turn JPG and PNG images into a single PDF file.
PDF ToolsPDF to Images
Convert each page of a PDF into a downloadable PNG image.
PDF ToolsColor Tools
Calculators
Percentage Calculator
Solve everyday percentage problems in seconds.
CalculatorsUnit Converter
Convert length, weight, volume and temperature units.
CalculatorsAge Calculator
Find an exact age in years, months and days.
CalculatorsBMI CalculatorNEW
Check your Body Mass Index in metric or imperial.
CalculatorsLoan CalculatorNEW
Estimate monthly payments, total interest and cost.
CalculatorsRoman Numeral ConverterNEW
Convert numbers to Roman numerals and back, both ways.
CalculatorsTip CalculatorNEW
Work out the tip, total and split per person in seconds.
Calculators