Directory

All tools

Browse all 90 published tools. Narrow the directory by category; each page lists 24 tools.

JSON and data structures68 Text processing7 Encoding, hashes, and IDs10 Time, numbers, and math1 Web and frontend1 Images and colors1 Databases and DevOps1 Development and productivity1

Tool directory

Page 1 of 4

JSON Formatter & ValidatorValidate JSON syntax and format it with two or four spaces.Processed in your browser · Format conversion

JSON MinifierRemove insignificant whitespace from JSON without changing its data structure.Processed in your browser · Compression

Base64 Encoder & DecoderConvert UTF-8 text to Base64 and decode it back to text.Processed in your browser · Encoding

JSON String Escape & UnescapeEscape plain text for a JSON string or restore escaped content.Processed in your browser · Format conversion

JSON Tree ViewerExplore JSON as a searchable, collapsible tree.Processed in your browser · Viewer

JSON Key SorterSort object keys alphabetically at the top level or recursively.Processed in your browser · Format conversion

JSON / XML ConverterConvert JSON and XML with a documented attributes-and-text mapping.Processed in your browser · Format conversion

JSON / YAML ConverterConvert JSON and safe YAML locally with resource limits.Processed in your browser · Format conversion

JSON / CSV ConverterConvert object arrays and CSV with explicit flattening and download safety.Processed in your browser · Format conversion

URL Encoder & DecoderPercent-encode URL components or complete URLs using UTF-8.Processed in your browser · Encoding

Unicode Escape ConverterConvert Chinese, emoji, and other Unicode text to \u escapes and back.Processed in your browser · Encoding

HTML Entity Encoder & DecoderEncode HTML-sensitive characters or every Unicode code point, then decode entities safely.Processed in your browser · Encoding

JWT ParserDecode JWT header and payload data without sending the token anywhere.Processed in your browser · Parsing

MD5 / SHA Hash GeneratorCalculate MD5, SHA-1, SHA-256, or SHA-512 for UTF-8 text and local files.Processed in your browser · Cryptographic hash

UUID v4 GeneratorGenerate one or more cryptographically random RFC 4122 UUID v4 values.Processed in your browser · Generator

Unix Timestamp ConverterConvert explicit Unix seconds or milliseconds to dates and back.Processed in your browser · Format conversion

Integer Base ConverterConvert signed integers between binary, octal, decimal, and hexadecimal.Processed in your browser · Encoding

Text StatisticsCount graphemes, Unicode code points, words, lines, and UTF-8 bytes.Processed in your browser · Calculation

Line Deduplicator & SorterRemove duplicate lines and optionally sort them with explicit case and blank-line rules.Processed in your browser · Formatting

Regular Expression TesterTest JavaScript regular expressions with captures, indexes, highlighting, and a timeout.Processed in your browser · Validation

Naming Style ConverterConvert identifiers among camelCase, PascalCase, snake_case, kebab-case, and CONSTANT_CASE.Processed in your browser · Text processing

Text Case ConverterConvert text to upper, lower, title, sentence, or toggled case.Processed in your browser · Text processing

Text Diff CheckerCompare two texts by line and mark additions, removals, and unchanged content.Processed in your browser · Text processing

Cron Expression ParserValidate five- or six-field Cron and list upcoming runs in a chosen timezone.Processed in your browser · Text processing