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Developer Tools

A collection of handy tools for developers

Handy Tools

Base64 Decoder

Decode Base64-encoded text back to its original format.

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Base64 Encoder

Encode text to Base64 format for safe transmission and storage.

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Color Picker & Converter

Pick colors visually and convert between HEX, RGB, HSL, HSV, and CMYK formats. Check WCAG contrast and generate color palettes.

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Country Code Lookup

Query the country name by ISO 3166-1 alpha-2 code.

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CSS Minifier & Beautifier

Minify CSS to reduce file size, or beautify it with customizable indentation.

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CSV to JSON Converter

Convert CSV data to JSON format with support for various delimiters.

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Diff Viewer

Compare text differences with side-by-side or inline view modes. See additions, deletions, and changes highlighted.

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Hash Generator

Generate MD5, SHA1, SHA256, SHA384, SHA512, and SHA3 hashes for text or files with verification support.

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HTML Entity Encoder/Decoder

Encode text to HTML entities or decode HTML entities back to text. View character-by-character breakdown and entity statistics.

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HTML Formatter & Minifier

Format and beautify HTML code, or minify it to reduce file size.

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IP Lookup

Look up detailed location and network information for any IP address.

JSON Formatter

Format and fix malformed JSON strings with customizable indentation.

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JWT Decoder

Decode JSON Web Tokens and inspect header, payload, and signature. Validate token structure and check expiration.

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Markdown Editor

Edit and preview Markdown with live split-pane view, syntax highlighting, and HTML export.

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My IP

Get your current IP address and location information.

QR Code Generator

Generate QR codes for text, URLs, business cards, and decode QR codes from images.

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Regex Tester

Test regular expressions with real-time matching, highlight matches, and view capture groups.

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Shasum Calculator

Calculate SHA hashes for text or files using multiple algorithms.

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Size Unit Converter

Convert between different size and length units, including pixels, inches, centimeters, meters, kilometers, feet, yards, miles, points, picas, and more.

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Timestamp Converter

Convert Unix timestamps to human-readable date/time and vice versa.

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URL Decoder

Decode URL-encoded text by converting percent-encoded characters back to their original form.

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URL Encoder

Encode text for use in URLs by converting special characters to their percent-encoded equivalents.

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UTF-8 Decoder

Decode UTF-8 byte representation back to readable text.

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UTF-8 Encoder

Encode text to UTF-8 byte representation with various output formats.

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UUID Generator

Generate UUID v4 (random) and UUID v7 (time-ordered) identifiers. Validate UUIDs and bulk generate up to 100 at once.

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Video Editor

Video Editor

Edit videos with advanced features like compression, format conversion, merging, splitting, watermarking, trimming, subtitles, background audio, frame extraction, and audio removal.

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AI Tools

AI Chat

Chat with GPT-4o-mini. Ask me anything!

SkyWalking

Topology Visualizer

Visualize service topology and call relationships from SkyWalking data.

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Legal

Privacy Policy

Our privacy policy and data practices

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Terms of Service

Terms of service and usage guidelines

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