Client-side code formatters, converters, decoders, regex testers, and cryptographic utilities running 100% in your browser with zero server data transmissions.
Format, validate, beautify, and minify JSON data with interactive tree navigation, syntax highlighting, and instant error line detection.
Launch Tool →Convert JSON arrays and objects to downloadable CSV spreadsheets and vice-versa. Handles nested keys, custom delimiters, and Excel export.
Launch Tool →Convert XML data into structured JSON objects and JSON into well-formed XML documents with attribute preservation and custom tag indentation.
Launch Tool →Compute cryptographic hashes (SHA-256, SHA-512, SHA-1, SHA-384, MD5) for text and files in real-time using browser Web Crypto API.
Launch Tool →Write and convert Markdown into clean HTML markup with GitHub Flavored Markdown (GFM) support, live synchronized side-by-side preview, and 1-click HTML copy.
Launch Tool →Compare two text snippets, code files, or documents side-by-side. Highlights additions, deletions, modifications, and character-level differences in real-time.
Launch Tool →Build, validate, and translate standard 5-field crontab expressions into plain English schedules. Calculate upcoming execution timestamps instantly.
Launch Tool →Generate custom dummy placeholder text in paragraphs, sentences, words, or lists for UI design, wireframing, and typesetting mockups.
Launch Tool →Decode and inspect JSON Web Tokens (JWT). View header algorithms, payload claims (sub, exp, iat), expiration timestamps, and signature details privately.
Launch Tool →Encode text and files to Base64 and decode Base64 strings to UTF-8 text or binary files. Supports URL-safe base64 and data URI formatting.
Launch Tool →Generate random, unique Version 4 UUIDs (Universally Unique Identifiers) and GUIDs in bulk. Supports uppercase, lowercase, hyphens, and JSON formatting.
Launch Tool →Test and debug regular expressions in real-time with JavaScript regex engine. Features syntax highlighting, match group extraction, and common pattern presets.
Launch Tool →Convert Unix epoch timestamps (seconds & milliseconds) to human-readable UTC and local dates and convert calendar dates back to Unix timestamps.
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