GopherTools
Free developer tools. No signup. No tracking.
Every tool runs entirely in your browser — your data never leaves your device. Built for developers who value speed, privacy, and simplicity.
Encoding
Encode, decode, and transform data between formats.
Base64 Encoder/Decoder
Encode and decode Base64 strings and files instantly
🔐 EncodingURL Encoder/Decoder
Encode and decode URL components safely
🔐 EncodingHTML Entity Encoder/Decoder
Convert special characters to and from HTML entities
🔐 EncodingJWT Decoder
Decode and inspect JSON Web Tokens
🔐 EncodingFormatting
Format, validate, and convert structured data.
JSON Formatter & Validator
Format, validate, and minify JSON with syntax highlighting
📝 FormattingYAML ↔ JSON Converter
Convert between YAML and JSON formats
📝 FormattingSQL Formatter
Format and beautify SQL queries
📝 FormattingMarkdown Preview
Write and preview Markdown in real time
📝 FormattingCSV ↔ JSON Converter
Convert between CSV and JSON formats
📝 FormattingXML ↔ JSON Converter
Convert between XML and JSON formats
📝 FormattingGenerators
Generate UUIDs, hashes, passwords, and more.
UUID Generator
Generate UUID v4 and v7 identifiers instantly
⚡ GeneratorsHash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes
⚡ GeneratorsPassword Generator
Generate strong, random passwords
⚡ GeneratorsLorem Ipsum Generator
Generate placeholder text for design mockups
⚡ GeneratorsNanoID Generator
Generate compact, URL-safe unique IDs
⚡ GeneratorsQR Code Generator
Generate QR codes from text or URLs with PNG export
⚡ GeneratorsUtilities
Regex testing, diffs, color conversion, and other essentials.
Regex Tester
Test and debug regular expressions with live matching
🔧 UtilitiesDiff Checker
Compare two texts and see the differences
🔧 UtilitiesColor Converter
Convert between HEX, RGB, HSL, and other color formats
🔧 UtilitiesUnix Timestamp Converter
Convert between Unix timestamps and human-readable dates
🔧 UtilitiesNumber Base Converter
Convert between binary, octal, decimal, and hexadecimal
🔧 UtilitiesText Transform
Transform text case, count words, and extract stats
🔧 UtilitiesCron Expression Parser
Convert cron expressions to human-readable schedules with next run times
🔧 Utilities