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FindMeTool

Developer Tools

23 tools23 live

Free developer tools for JSON, YAML, XML, code formatters, QR codes, and reference utilities. Browse 23 browser-based utilities on FindMeTool, format JSON and YAML, beautify HTML/CSS/JS, preview Markdown, generate QR codes, count words, and convert Unix timestamps. Most utilities run locally in your browser. No signup or install required.

JSON tools

Free browser-based JSON tools for formatting, validating, minifying, comparing, and sorting keys.

JSON Formatter
Free JSON formatter online, pretty-print minified API responses and config files in your browser. No signup.
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JSON Syntax Checker
Free JSON Syntax Checker, check JSON input for potential syntax issues with clear line-by-line feedback.
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JSON Minifier
Free JSON minifier to compress API payloads and request bodies by removing whitespace. Smaller JSON for production.
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JSON Diff
Free JSON diff tool to compare API responses, request/response pairs, and configuration files side by side.
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JSON Sort Keys
Free tool to sort JSON object keys alphabetically for cleaner comparisons and consistent configuration files.
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YAML, XML, CSV & SQL

Format configuration, data, and query files in your browser.

YAML Formatter
Free YAML formatter to pretty-print configuration and deployment files with consistent indentation. Browser-based.
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YAML Syntax Checker
Free YAML Syntax Checker, check YAML input for potential syntax issues with clear error messages.
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XML Formatter
Free XML formatter to pretty-print API responses and documents. Beautify minified XML in your browser.
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CSV Formatter
Free CSV formatter to clean rows and columns before database import or conversion. Fix messy CSV online.
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SQL Formatter
Free SQL formatter to pretty-print and beautify database queries for debugging and code review. Browser-based.
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Generators

Create QR codes from URLs or text for sharing links on posters, packaging, and business cards.

QR Code Generator
Free QR code generator for URLs, website links, and text. Create downloadable QR codes instantly in your browser.
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Text

Case conversion, word and character counts, prompt stats, text chunking, and reading-time estimates.

Case Converter
Free case converter for camelCase, snake_case, kebab-case, PascalCase, and uppercase. Rename identifiers instantly.
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Word Counter
Free word counter for essays, blog posts, and Markdown. See word and character counts instantly in your browser.
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Character Counter
Free character counter online, count characters, words, and lines for social limits and forms.
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Prompt Word Character Counter
Count words and characters in AI prompt drafts free online. Informational stats, not model token limits.
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Text Chunking Calculator
Split long text into numbered draft chunks by characters, words, or paragraphs. Free browser tool for review.
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Reading Time Calculator
Free reading time calculator for articles and blog posts. Estimate minutes to read from word count at your WPM speed.
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Code formatters

Beautify Markdown, HTML, CSS, and JavaScript in the browser.

Markdown Preview
Free Markdown preview to render README files and documentation before publishing. Check GitHub-style Markdown instantly.
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HTML Formatter
Free HTML formatter to pretty-print and beautify minified HTML documents for debugging. Browser-based.
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CSS Formatter
Free CSS formatter to beautify minified stylesheets and pretty-print CSS for debugging. Instant browser results.
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JavaScript Formatter
Free JavaScript formatter online, pretty-print minified JS for debugging in your browser.
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Reference & time

HTTP status code lookup and Unix timestamp conversion.

HTTP Status Codes
Free HTTP status code reference for 404, 500, 401 unauthorized, 429 rate limit, and other 1xx–5xx responses. Search by number or keyword.
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Unix Timestamp Converter
Free Unix timestamp converter, convert epoch seconds to readable dates and back. Instant browser results.
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Developer tools FAQ

Are FindMeTool developer tools free?
Yes. Formatters, QR code generation, text utilities, and reference tools are free with no signup or usage limits.
Do developer tools run in the browser?
Most utilities process input locally in your browser. Live lookups such as public IP detection are the exception and are labeled on the tool page.
What kinds of developer tools are available?
JSON/YAML/XML formatters, HTML/CSS/JavaScript beautifiers, Markdown preview, QR code generation, word and reading-time tools, HTTP status reference, and Unix timestamp conversion.
How many developer tools does FindMeTool offer?
FindMeTool currently offers 23 developer utilities including formatters, generators, and reference tools.