Formatters, validators, encoders, decoders, crypto hashes, and developer utilities.
Format, validate, beautify, and inspect JSON data with custom indentation.
Encode and decode text, strings, and files to and from Base64 format with live UTF-8 conversion.
Encode and decode URLs and query string parameters with RFC 3986 percent-encoding.
Generate cryptographically secure Version 4 (v4) UUIDs in bulk.
Convert Unix epoch timestamps (seconds and milliseconds) to human-readable dates and UTC times.
Test regular expressions with real-time match highlighting, flags, and group capture.
Decode JSON Web Tokens (JWT) to inspect header, payload claims, and expiration dates.
Generate cryptographic hash digests (MD5, SHA-1, SHA-256, SHA-512) for text strings.
Generate cryptographically strong, uncrackable passwords with custom character sets.
Build and explain standard 5-part cron schedules in plain human language.
Convert special characters into HTML entities (`&`, `<`, `"`) and vice versa.
Parse browser user-agent strings to detect browser name, version, OS, and device type.
Convert tabular CSV files into JSON objects and JSON arrays into CSV spreadsheets.
Format, indent, and beautify ugly SQL queries into clean, standardized statements.
Convert cURL commands into JavaScript fetch, Axios, and Python requests code.
Write Markdown with real-time rendered HTML preview and export to HTML or .md.
Convert numbers between Binary, Octal, Decimal, and Hexadecimal representations.
Generate strong, memorable Diceware-style passphrases using Web Cryptography API.
Create instant wa.me WhatsApp direct chat links with custom pre-filled messages and scannable QR codes.
Convert spreadsheets between XLSX, CSV, TSV, JSON, HTML Table, and XML.
Convert PowerPoint (.pptx) to interactive HTML web presentations, PDF, and Markdown.
Convert AutoCAD 2D Drawing Exchange Format (.dxf) to SVG, PDF, and PNG.
Compress and pack multiple files into a standard ZIP archive online privately.
Inspect, preview, and extract files from ZIP archives directly in your browser without software.
Generate standard Code 128, Code 39, and EAN-13 barcodes with PNG, SVG, and PDF export.
Convert CSV to YAML and YAML arrays back to CSV. Bidirectional, in-browser.
Convert CSV spreadsheets to well-formed XML with configurable root, row tags, and element/attribute modes.
Flip rows and columns in a CSV — transpose your spreadsheet data instantly.
Generate and verify bcrypt password hashes with configurable salt rounds. 100% in-browser.
Generate Discord timestamp format tags from any date and time. All 7 format codes included.
Convert numbers to written English words — integers and currency amounts up to trillions.
Convert between bytes, KB, MB, GB, TB, PB and KiB, MiB, GiB — SI and IEC units.
Convert text to Morse code and Morse to text. Play audio beeps with Web Audio API.
Find and remove zero-width spaces, BOM, directional overrides, and invisible Unicode in text.
Calculate Linux octal file permissions (e.g. 755, 644) and symbolic notation (-rwxr-xr-x) with interactive checkboxes.
Convert complex docker run CLI commands into clean, readable docker-compose.yml YAML specs.
Convert HTML table code into GitHub-flavored Markdown tables with customizable column alignment.
Interactive Git helper with copyable terminal recipes for undoing commits, squashing, branch renaming, and stashing.
Translate cryptic 5-part cron syntax into plain English sentences with 5-field breakdown.
Convert between SubRip (.srt) and WebVTT (.vtt) and offset timing forward/backward by seconds or milliseconds.
Minify CSS, HTML, JSON, and JavaScript in-browser with real-time compression byte savings metrics.
Instantly convert JSON objects into TypeScript interfaces, type aliases, and Zod schemas.
Create beautiful, shareable code snippet screenshots with custom themes, gradients, and window frames.
Generate fluid CSS clamp(min, val, max) formulas for typography, padding, and spacing across viewports.
Create ultra-smooth multi-layer ambient box-shadows inspired by Stripe and modern design systems.
Design and customize CSS clip-path shapes with an interactive vertex drag-and-drop canvas.
Transform HTML and SVG markup into clean, compile-ready React JSX and TypeScript components.
Understand code logic step-by-step, analyze Big-O time and space complexity, and generate documentation.
Build 5-part cron schedules visually with user specification, log redirects, and projected execution times.
Scan EAN, UPC, and Code 128 barcodes with your camera or decode them from uploaded images.
Test your web camera resolution, frame rate (FPS), and capture snapshots in-browser.
Convert PNG, JPG, SVG, and WEBP images into Base64 data URIs and CSS snippets.
Interactive visual CSS Flexbox builder with live layout preview and CSS code export.
Visual CSS Grid editor with live column/row templates, gap controls, and code export.
Compare two JSON objects side-by-side with color-coded additions, deletions, and updates.
Build process flowcharts, export SVG diagrams, and generate Mermaid.js code.
Convert plain English sentences into standard 5-part Linux crontab expressions.
Transform CSV data into customizable Bar, Line, or Pie charts with direct SVG export.
Discover 100+ free public APIs with an interactive in-browser REST playground and instant code generators.
Yes. All JSON formatting, Base64 encoding, UUID generation, JWT decoding, and cryptographic hashes (SHA-256, MD5) execute strictly client-side using native browser Web Crypto APIs. Sensitive payloads and API keys never leave your machine.
Yes. Our JWT decoder inspects the header and payload claims directly in your browser without requiring your private verification keys or contacting external auth servers.
We support SHA-256, SHA-512, SHA-1, MD5, and bcrypt hash generation and verification for software engineers, security researchers, and database administrators.