Developer Tools

Fast, clean online tools for everyday work.

Simple utilities built to save time on everyday tasks — organized by category and quick to use.

Developer Tools

Browser-based tools for formatting, cleaning, validating, and preparing code for everyday development work.

</> Code cleanup Code Formatter Format JSON, HTML, CSS, JavaScript, TypeScript, PHP, SQL, XML, C-style languages, Java, Go, Rust, and plain text. Open tool { } JSON validation JSON Validator / Repair Validate JSON, format valid data, find parsing errors, and try to repair common JSON mistakes. Open tool XML XML validation XML Formatter & Validator Validate XML, format readable XML output, detect broken tags, and minify XML when needed. Open tool CSS CSS cleanup CSS Minifier / Beautifier Minify CSS for smaller files, beautify compressed CSS, remove comments, and clean basic formatting. Open tool JS JavaScript cleanup JavaScript Minifier / Beautifier Minify JavaScript, beautify compressed code, remove comments, and clean basic formatting. Open tool HTML HTML cleanup HTML Minifier / Beautifier Minify HTML, beautify compressed markup, remove comments, and clean basic spacing. Open tool SQL SQL cleanup SQL Formatter / Minifier Format SQL queries, uppercase common SQL keywords, minify SQL, and remove SQL comments. Open tool YAML YAML converter YAML Validator / JSON Converter Validate common YAML, beautify YAML, and convert simple YAML configs to formatted or minified JSON. Open tool 64 Base64 utility Base64 Encoder / Decoder Encode text to Base64, decode Base64 back to text, and convert URL-safe Base64. Open tool URL URL utility URL Encoder / Decoder Encode URL components, decode encoded URLs, handle plus-form encoding, and parse query strings. Open tool JWT Token inspector JWT Decoder / Inspector Decode JWT header and payload, inspect common claims, and check expiration details. Open tool # Hash utility Hash Generator Generate SHA-1, SHA-256, SHA-384, SHA-512, and HMAC-SHA256 hashes in your browser. Open tool ID UUID utility UUID Generator / Validator Generate UUID v4 values, validate UUIDs, bulk-generate identifiers, and convert UUID format. Open tool TIME Time utility Unix Timestamp Converter Convert Unix timestamps to readable dates, convert dates to Unix time, and compare UTC/local time. Open tool .* Regex utility Regex Tester / Replacer Test regular expressions, inspect matches and capture groups, and run find-and-replace. Open tool CSV Data converter JSON ↔ CSV Converter Convert JSON arrays to CSV, convert CSV back to JSON, and clean simple data exports. Open tool ENT HTML utility HTML Entities Encoder / Decoder Encode HTML special characters, decode HTML entities, and safely prepare text for HTML output. Open tool

Developer tools for formatting, validating, encoding, and converting code

Developer Tools provide browser-based utilities for working with code, data formats, encoded strings, timestamps, hashes, UUIDs, and regular expressions. The category is designed for quick checks and cleanup during everyday development work.

Code and data utilities

Format and validate JSON, XML, YAML, SQL, CSS, JavaScript, and HTML. Encode and decode Base64, URLs, and HTML entities. Inspect JWT tokens, generate hashes, validate UUIDs, convert Unix timestamps, test regex patterns, and convert JSON to CSV or CSV to JSON.

Fast tools for everyday debugging

These tools are useful when debugging APIs, checking structured data, preparing snippets, cleaning compressed code, decoding encoded values, and converting data without leaving the browser.

Frequently asked questions

What developer tools are available?

Available tools include code formatters, validators, minifiers, encoders, decoders, hash generators, timestamp converters, regex testers, and JSON/CSV converters.

Can I format code in the browser?

Yes. The Developer Tools category includes browser-based formatting and cleanup tools for multiple code and data formats.

Are these tools useful for API work?

Yes. Tools like JSON Validator, JWT Decoder, Base64 Decoder, URL Encoder, and JSON to CSV Converter are useful for API debugging and data preparation.

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