Alat Pengembang

Encode text to Base64 or decode Base64 back to text — instantly, in your browser.

Convert Unix file permission checkboxes to octal and symbolic notation, and back.

Fill in the fields to build a valid connection string, or paste one to break it into its parts. Works for PostgreSQL, MySQL, MongoDB, Redis, SQL Server, and more.

Build a cron expression from simple fields, or describe an existing one in plain English.

Pretty-print minified or messy CSS with proper indentation.

Strip comments and whitespace from CSS to shrink file size.

Convert CSV into a CREATE TABLE and INSERT statements for PostgreSQL, MySQL, SQLite, SQL Server, or ANSI SQL.

Convert Excel (.xlsx) to CSV and CSV back to Excel — both directions, instantly in your browser.

Compute SHA-1, SHA-256, SHA-384, and SHA-512 hashes of any text.

Pretty-print minified or messy HTML with proper tag indentation.

Escape & < > " ' for safe HTML, and decode entities back to text — instantly.

Strip comments and unnecessary whitespace from HTML to shrink file size.

Paste HTML and see a live, sandboxed preview of how it renders.

Convert a JSON array of objects to RFC 4180 CSV, and convert CSV back to JSON.

Diff two JSON documents and see every added, removed, and changed value.

Build and edit JSON visually — add keys, change types, rename fields — no raw syntax.

Escape raw text into a JSON string literal, or unescape one back to plain text.

Format, validate, and minify JSON instantly in your browser — no upload, no signup.

Analyze a JSON document's size, depth, type breakdown, and duplicate keys.

Automatically fix broken JSON — trailing commas, single quotes, unquoted keys.

Convert a JSON array of objects into a CREATE TABLE and INSERT statements for PostgreSQL, MySQL, SQLite, SQL Server, or ANSI SQL.

Paste JSON and instantly view it as a readable table — export array data straight to CSV.

Convert JSON to XML and back, with automatic root-element wrapping.

Explore JSON as a collapsible, searchable tree instead of a flat text block.

Decode a JSON Web Token's header and payload — no signature verification.

Generate and test live OpenGraph, Twitter, Discord, and WhatsApp social cards with meta tags.

Write GitHub-Flavored Markdown on the left, see the live rendered HTML on the right — fully in-browser.

Convert numbers between binary, octal, decimal, and hex — and see all four at once.

Pretty-print and indent messy or minified PHP with consistent formatting.

Strip comments and collapse whitespace from PHP to shrink file size.

Convert between PHP serialize() format and JSON — both directions, instantly in your browser.

Build a regular expression by clicking tokens and presets — no syntax memorization.

Test a regular expression against a string with live highlighted matches.

Build a robots.txt file with allow/disallow rules and a sitemap URL.

Pretty-print messy or minified SQL with proper clause indentation.

Convert Unix timestamps and date strings to ISO, UTC, local, and relative time.

Percent-encode or decode a URL or query parameter value.

Generate cryptographically random UUID v4 values, one at a time or in bulk.

Pretty-print or minify XML, with well-formedness checking.

Explore XML as a collapsible tree instead of a flat block of text.