Toolkit
Every tool below processes its tool input locally in your browser.
Popular tools
Categories
All tools
57 tools
Text
13- Word CounterCount words, characters, sentences, and reading time.
- Character CounterMeasure character counts with and without spaces.
- Case ConverterConvert text between common capitalization formats.
- Text DiffCompare two text snippets and review their differences.
- Remove Duplicate LinesRemove repeated lines from a block of text.
- Slug GeneratorCreate URL-friendly slugs from text.
- Text CleanerClean up whitespace and simple punctuation.
- Line SorterSort lines alphabetically, by length, or numerically.
- Find & ReplaceFind and replace matching text locally.
- List FormatterConvert lists between lines, separated values, bullets, and numbering.
- Markdown to Plain TextConvert Markdown syntax into readable plain text.
- Text Escape / UnescapeEscape or unescape JSON, HTML, and JavaScript strings.
- Markdown PreviewPreview Markdown locally without unsafe HTML passthrough.
Developer
15- JSON FormatterFormat JSON into readable, indented output.
- JSON ValidatorCheck JSON syntax and identify formatting errors.
- Base64 Encoder/DecoderEncode plain text to Base64 or decode Base64 values.
- URL Encoder/DecoderEncode and decode URL-safe strings for web use.
- Hash GeneratorGenerate common hashes from text input.
- Timestamp ConverterConvert Unix timestamps and date-time values.
- JWT DecoderDecode JWT header and payload data without verification.
- Regex TesterTest JavaScript regular expressions locally.
- File Hash CheckerCalculate SHA digests from local file bytes.
- YAML Formatter / ValidatorValidate and format YAML locally.
- URL ParserParse URL components with the browser URL API.
- XML FormatterValidate and format XML locally.
- SQL FormatterFormat common SQL statements locally.
- Cron Expression ParserParse standard five-field cron expressions locally.
- HTTP Status Code ReferenceSearch concise HTTP status code meanings locally.
Data
06Color
05Image
07Utilities
11- QR Code GeneratorCreate QR codes from text or URLs.
- Password GeneratorGenerate random passwords with practical length options.
- UUID GeneratorGenerate UUID values for development and testing.
- Unit ConverterConvert practical everyday measurement units.
- Percentage CalculatorCalculate percent values, shares, changes, and adjustments.
- Random Number GeneratorGenerate bounded random integer or decimal lists.
- Date Difference CalculatorCalculate absolute day and calendar differences between dates.
- Time Zone ConverterConvert date and time values between IANA time zones.
- Aspect Ratio CalculatorSimplify aspect ratios and solve missing dimensions.
- Random Item PickerPick one or more random items from a local list.
- Unix Permissions CalculatorConvert standard Unix permission bits locally.