Developer Tools

File Metadata Viewer

Extract deep metadata from images, audio, video, and documents. View dimensions, duration, MIME type, and more.

Image Pixel Color Inspector

Hover over any image pixel to extract its exact HEX, RGB, and HSL color values. Click to pin and build a color palette.

Cookie Viewer

Inspect and manage browser cookies for the current domain. Filter, delete, and export cookies with live auto-refresh.

Storage Viewer & Editor

View, edit, add, and delete localStorage and sessionStorage entries. Real-time monitoring with activity log.

JWT Decoder

Decode and inspect JSON Web Tokens instantly. View header, payload, and signature without any backend.

Regex Tester

Test and debug regular expressions with live highlighting. Supports flags and capture groups.

Code Formatter

Beautify or minify JSON, JavaScript, and CSS code instantly. Auto-detects language.

DNS Lookup Tool

Query DNS records for any domain. Supports A, AAAA, MX, CNAME, TXT, NS, SOA, and SRV records.

Font Previewer

Preview Google Fonts and system fonts with custom text, size, and styling options.

SVG Shape / Icon Previewer

Preview, customize, and export SVG shapes and icons. Adjust color, size, rotation, and stroke.

Base64 Encoder / Decoder

Encode or decode Base64 strings instantly. Supports Unicode text, handles URL-safe variants. 100% browser-based, no data leaves your device.

SQL Formatter & Beautifier

Format and beautify SQL queries with proper indentation and keyword casing. Supports MySQL, PostgreSQL, and SQLite syntax.

Markdown Previewer

Write Markdown and see a live rendered preview side by side. Supports headings, tables, code blocks, and more.

Base64 to Image Viewer

Paste a Base64 string to instantly preview the decoded image. Supports JPEG, PNG, GIF, WebP, and SVG data URIs.

Text Diff Checker

Compare two texts and see the differences line by line, highlighted in color. Perfect for comparing code, content, or configs.

XML Formatter & Viewer

Format, beautify, and validate XML documents. Pretty-print with proper indentation or minify for production. 100% private.

Number Base Converter

Translate numbers between binary, decimal, octal, and hexadecimal bases instantly with real-time automatic calculations.

Cron Expression Parser

Build, parse, and debug cron schedules. Translates cron syntax into human-readable descriptions and displays the next execution times.

YAML to JSON Converter

Transform YAML syntax into clean, structured JSON format instantly in your browser. Supports nested objects, arrays, and complex structures.

JSON to CSV Converter

Convert JSON arrays to CSV spreadsheets with real-time table preview. Supports nested object flattening, custom delimiters, and instant download.