Programming Tools

Indents and prettifies raw HTML markup, normalizing tag nesting and attribute spacing so markup is easier to read and diff.

Reformats CSS stylesheets with consistent indentation, property ordering hints, and clean rule-block spacing for maintainable style sheets.

Beautifies minified or messy JavaScript code by applying standard indentation, brace alignment, and line breaks without altering runtime behavior.

Cleans up TypeScript source files, preserving type annotations and generics while adding proper indentation and consistent spacing throughout.

Parses a JSON string and outputs it with human-readable indentation, making nested objects and arrays easy to inspect and validate.

Reformats YAML configuration text with correct indentation levels and consistent key alignment, helping catch structure errors at a glance.

Adds hierarchical indentation to compact or single-line XML documents, making elements, attributes, and namespaces far simpler to navigate.

Reformats SQL queries by capitalizing keywords, aligning clauses on new lines, and indenting subqueries so long statements become readable.

Prettifies GraphQL queries, mutations, and schema definitions with consistent field indentation and argument line-wrapping for cleaner code review.

Applies PSR-style indentation and brace placement to PHP source files, turning dense scripts into well-structured, readable code.

Reformats Lua scripts with consistent indentation and spacing, ideal for cleaning up game scripts or embedded automation code.

Strips whitespace, comments, and redundant attributes from HTML to reduce file size before deploying to production.

Compresses CSS by removing comments and whitespace, outputting a single-line stylesheet that cuts page-load byte count.

Removes all whitespace and line breaks from a JSON document, producing a compact single-line string ready for API payloads.

Collapses multi-line SQL statements into minimal single-line form by stripping comments and redundant whitespace.

Compacts XML by removing indentation, comments, and blank lines, reducing file size for faster data transfer between services.

Shrinks Lua scripts by eliminating comments and whitespace, producing smaller payloads suitable for embedded or game environments.

Checks whether a JSON string is syntactically valid and highlights the exact line and character where any error occurs.

Parses a YAML document and reports indentation errors, duplicate keys, or type mismatches before the config reaches your server.

Runs a syntax check on PHP code and returns parse errors with line numbers, catching issues without needing a local PHP install.

Checks CSS rules against W3C syntax, flagging unknown properties, invalid values, and selector errors in pasted or uploaded stylesheets.

Renders a JSON payload as a collapsible, colour-coded tree so you can browse deeply nested objects without editing the raw text.

Provides an interactive tree editor for JSON where you can add, rename, or delete keys and values with inline form controls.

Diffs two JSON documents side-by-side and highlights added, removed, and changed keys so structural differences stand out instantly.

Decodes a raw JSON string into its constituent data types, showing the parsed object structure and letting you extract specific values.

Reads a CSV file or pasted rows and displays the data as a structured table, letting you inspect columns and spot formatting issues.

Parses an XML document into its element hierarchy, exposing tag names, attributes, and text nodes in a browsable tree view.

Renders pasted HTML markup live in a sandboxed preview pane so you can see how the page looks without opening a browser tab.

Displays the contents of a plain-text file in a scrollable, line-numbered viewer with basic search for quick content inspection.

A distraction-free in-browser text editor with word count and find-and-replace, useful for drafting content without installing software.

Writes and previews Markdown side-by-side, rendering headings, lists, code blocks, and links in real time as you type.

Lets you write HTML, CSS, and JavaScript in split panes and instantly see the rendered output update in a live preview frame.

A simple browser-based scratchpad that auto-saves your text to local storage so notes persist across page reloads.

Generates cryptographically random tokens of a chosen length and format, suitable for API keys, session IDs, and secrets.

Builds cron schedule expressions from human-readable inputs like minute, hour, and weekday fields, then shows the next run times.

Takes an existing cron expression and explains each field in plain English, listing the next scheduled execution dates.

Produces ready-to-paste HTML meta tags for SEO, Open Graph, and Twitter Card from a simple title, description, and URL form.

Pastes code in your chosen language and generates a shareable link with syntax highlighting so teammates can view it without an account.

Creates pre-filled sharing URLs for major social platforms from a page URL and optional message in a single click.

Builds a wa.me deep link with a pre-populated message so visitors can open a WhatsApp chat to any number directly from a web page.

Generates Luhn-valid test card numbers for common card networks, intended for sandbox and payment-gateway testing only.

Decodes the header, payload, and signature sections of a JWT token and displays the claims as formatted JSON without a server round-trip.

Encrypts or decrypts a text string using a passphrase and AES encryption entirely in the browser, keeping your data off any server.

Processes CSS and automatically inserts vendor prefixes for older browser compatibility based on the target browserslist you specify.

Removes all HTML tags from a document, leaving only the raw inner text content for use in plain-text pipelines or analysis.

Pulls visible text from HTML while preserving paragraph breaks, letting you grab readable content from page source without the markup.

Expands a CIDR notation block into its network address, broadcast address, subnet mask, and list of usable IP host addresses.

Converts Unix timestamps to human-readable date-time strings and back, supporting seconds, milliseconds, and multiple timezone outputs.