What are developer tools?
Developer Tools help you work with developer files and code snippets without installing desktop software. Pick a task, add your file when needed, and complete the job quickly.
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Free Online Developer Tools
Use all Developer tools on AllToools.com to format, validate, encode, decode, convert, and inspect developer data. Open a tool, finish the task, and move on.
No Sign Up33 ToolsFree ForeverQuick Results
Popular Tools
.htaccess Redirect GeneratorGenerate Apache .htaccess 301/302 redirect rules from URL pairs.Base64 Encoder/DecoderEncode and decode strings in Base64.BibTeX FormatterClean up and consistently format BibTeX citation entries.Chmod CalculatorConvert between numeric and symbolic Unix file permissions.Code BeautifierBeautify and format JS, CSS, HTML code.Code MinifierMinify JS, CSS, and HTML to reduce file size.Color Code Converter (HEX / RGB / HSL)Convert color codes between HEX, RGB, and HSL formats.Cron Expression BuilderBuild and validate cron expressions visually.CSS MinifierMinify CSS code to reduce file size.CSS Unit ConverterConvert between px, em, rem, pt, and percent CSS units.cURL to Code ConverterConvert cURL commands into fetch, Axios, or Python requests code.Git Command GeneratorFind the right git command by describing what you want to do.
More Developer Tools
21 toolsGraphQL FormatterFormat and indent GraphQL queries and schemas.Hash GeneratorGenerate MD5, SHA-256, SHA-512 hashes.HTML Table GeneratorTurn CSV or tab-separated data into a clean HTML table.HTML to JSX ConverterConvert HTML markup into React JSX syntax.IP Address LookupLook up geolocation and details for any IP address.JavaScript ObfuscatorApply basic obfuscation to JavaScript source code.JSON Escape / UnescapeEscape text for JSON strings or unescape JSON string content.JSON Formatter / ValidatorFormat, validate, and beautify JSON data.JSON to TypeScriptGenerate TypeScript interfaces from JSON data.JWT DecoderDecode and inspect JSON Web Tokens.Markdown Editor / PreviewWrite Markdown and convert it to HTML instantly.Meta Tag GeneratorGenerate SEO meta tags for title, description, and viewport.Number Base ConverterConvert numbers between binary, octal, decimal, and hexadecimal.Open Graph GeneratorGenerate Open Graph and Twitter Card meta tags for social sharing.Robots.txt GeneratorGenerate a robots.txt file with allow, disallow, and sitemap rules.SQL FormatterFormat and beautify SQL queries with proper indentation.SVG OptimizerClean and minify SVG markup by removing metadata and extra whitespace.Timestamp ConverterConvert Unix timestamps to human-readable dates and vice versa.URL Encoder/DecoderEncode and decode URL strings.UTM Link BuilderBuild campaign tracking URLs with UTM parameters.YAML to JSON ConverterConvert YAML to JSON and JSON back to YAML.
Guide to Developer Tools
Quick answersWhat can you do with developer tools?
You can format, validate, encode, decode, convert, and inspect developer data. Choose the tool that matches your task, add your file when needed, and complete the workflow quickly.
Who uses these tools?
These tools are useful for frontend, backend, QA, and support workflows. The layout keeps active tools easy to scan and related tools close by.
Questions about Developer Tools
Are AllToools Developer tools free?
Yes. All available Developer tools on AllToools are free to use, and active tools do not require an account or sign-up.
Do AllToools Developer tools upload my files?
Active Developer tools are built to keep file handling simple and transparent. If a tool needs server processing, database storage, or AI support, we keep it marked as coming soon until it is ready to work properly.
Why are some Developer tools marked coming soon?
We are continuously working on AllToools and adding new Developer tools step by step. Some Developer workflows require server-side libraries, database storage, or external APIs, so those tools are marked as coming soon while we prepare them for a reliable release.