Best Free Developer Tools 2026
2026-03-09
Developers need fast, reliable tools for formatting code, converting data, encoding strings, and validating JSON. Here are the best free developer tools you can use in 2026—all run in your browser, no signup, no installation.
Formatters
Format and beautify code for readability. Our Formatters category includes HTML Formatter, SQL Formatter, JSON Formatter, JavaScript Formatter, Ruby Formatter, and more. Paste code, get indented output. Works in browser.
Encoders & Decoders
Encode and decode Base62, Base64, Base32, URL, HTML. Our Encoders & Decoders include Base62 Encoder, Base62 Decoder, URL encode/decode, and HTML entities. URL-safe encoding for short URLs and API keys.
Converters
Convert between formats: JSON to YAML, JSON to CSV, YAML to JSON, XML to JSON, Markdown to HTML. The Converters category covers data transformation for configs, APIs, and docs.
Parsers
Parse cURL commands, user agents, URLs, colors. Our Parsers include cURL Parser (convert to fetch, Python, PHP), User Agent Parser, and URL Parser. Essential for API debugging.
Generators
Generate random user agents, UUIDs, slugs, passwords, colors. The Generators category includes Random User Agent Generator, UUID, slug, and password generators. All client-side, instant output.
Validators
Validate JSON, CSV, CSS, email, URL. The Validators category helps you verify data before use. JSON Schema validator, CSV validator, and more.
Summary
everytools offers 100+ free developer tools. Format HTML, SQL, JSON. Encode Base62, Base64. Convert JSON to YAML. Parse cURL and user agents. Generate UUIDs and slugs. All run in your browser—no server processing for most tools. No signup, no limits. Bookmark everytools.app for quick access.