Developer Tools
That Respect Your Privacy
Lightning-fast online tools for JSON formatting, encoding, hashing, color conversion, regex testing, and more. Everything runs in your browser — your data never leaves your device.
🔥 Popular Tools
View all →JSON Formatter & Validator
Format, validate, and beautify JSON data. Detect errors and fix formatting instantly.
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 to text. Supports files and UTF-8.
URL Encoder / Decoder
Encode and decode URLs, query parameters, and special characters.
Hash Generator (MD5, SHA)
Generate MD5, SHA-1, SHA-256, SHA-512 hashes from text or files.
UUID / GUID Generator
Generate UUIDs v1, v4, and v7. Create single or bulk unique identifiers.
JWT Decoder
Decode and inspect JSON Web Tokens. View header, payload, and signature details.
Password Generator
Generate strong, secure random passwords with custom length and character requirements.
Markdown Preview
Write and preview Markdown in real-time. Supports GitHub Flavored Markdown.
Color Palette Generator
Generate beautiful, harmonious color palettes for your design projects.
Color Converter
Convert colors between HEX, RGB, HSL, and CMYK formats instantly.
Timestamp Converter
Convert between Unix timestamps and human-readable dates. Supports milliseconds.
Regex Tester & Debugger
Test regular expressions in real-time with highlighting, groups, and cheat sheet.
🧰 All Tools
Formatters
5 toolsJSON Formatter & Validator
Format, validate, and beautify JSON data. Detect errors and fix formatting instantly.
CSS Formatter
Beautify and minify CSS code. Clean up messy stylesheets with proper indentation.
HTML Formatter
Format and beautify HTML code with proper indentation and structure.
SQL Formatter
Format SQL queries with proper indentation, casing, and line breaks.
XML Formatter
Beautify and validate XML documents with proper formatting and indentation.
Encoders
3 toolsCrypto & Hash
4 toolsHash Generator (MD5, SHA)
Generate MD5, SHA-1, SHA-256, SHA-512 hashes from text or files.
UUID / GUID Generator
Generate UUIDs v1, v4, and v7. Create single or bulk unique identifiers.
JWT Decoder
Decode and inspect JSON Web Tokens. View header, payload, and signature details.
Password Generator
Generate strong, secure random passwords with custom length and character requirements.
Text Tools
7 toolsMarkdown Preview
Write and preview Markdown in real-time. Supports GitHub Flavored Markdown.
Text Diff Checker
Compare two texts side by side and highlight differences word by word.
Lorem Ipsum Generator
Generate placeholder text for design and development. Custom paragraphs, words, or sentences.
Word & Character Counter
Count words, characters, sentences, and paragraphs. Estimate reading time.
URL Slug Generator
Convert any text into a clean, SEO-friendly URL slug.
Case Converter
Convert text between camelCase, snake_case, kebab-case, PascalCase, and more.
Find & Replace
Find and replace text with support for regex, case sensitivity, and bulk operations.
Generators
4 toolsColor Palette Generator
Generate beautiful, harmonious color palettes for your design projects.
Meta Tag Generator
Generate SEO meta tags, Open Graph tags, and Twitter Card markup for your website.
Robots.txt Generator
Generate a robots.txt file to control search engine crawler access.
Data URI Generator
Convert images and files to data URIs for inline embedding in HTML/CSS.
Converters
5 toolsColor Converter
Convert colors between HEX, RGB, HSL, and CMYK formats instantly.
Timestamp Converter
Convert between Unix timestamps and human-readable dates. Supports milliseconds.
Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal.
CSV to JSON Converter
Convert CSV data to JSON format and vice versa. Handles headers and nested data.
Unit Converter
Convert between units of length, weight, temperature, data size, and more.
Network
4 toolsRegex Tester & Debugger
Test regular expressions in real-time with highlighting, groups, and cheat sheet.
IP Address Lookup
Look up IP address details including location, ISP, and geolocation information.
DNS Lookup
Perform DNS lookups for any domain. Check A, AAAA, MX, TXT, CNAME, and NS records.
HTTP Header Checker
Inspect HTTP response headers for any URL. Check security headers and caching.
Why SnapTool?
Privacy First
All processing happens in your browser. No data is sent to any server. No cookies, no tracking, no nonsense.
Lightning Fast
No server round-trips means instant results. Tools load in under 100ms and process data instantly.
Forever Free
All tools are completely free with no limits. No signup, no paywalls, no premium tiers for basic features.