Free, fast and secure browser-based tools for developers
Pick a tool below to get started. Everything runs in your browser — your data stays private.
Format, beautify, validate, minify, convert JSON to CSV/YAML/XML. Multi-tab editor with tree view, diff, JSON Path query and more.
LiveConvert CSV data to JSON format. Paste CSV or upload a file and get clean JSON output instantly.
Coming SoonFormat, validate and convert YAML. Supports YAML to JSON conversion and syntax checking.
Coming SoonBeautify and format messy HTML code. Fix indentation, clean up attributes and make HTML readable.
Coming SoonMinify CSS to reduce file size or beautify compressed CSS for readability. Supports autoprefixer hints.
Coming SoonCompress JavaScript code by removing whitespace, comments and shortening variable names.
Coming SoonFormat and beautify SQL queries. Supports MySQL, PostgreSQL, SQLite and standard SQL syntax.
Coming SoonEncode text or files to Base64, or decode Base64 strings back to plain text. Supports images too.
Coming SoonEncode special characters for URLs or decode percent-encoded URL strings back to readable text.
Coming SoonGenerate MD5, SHA-1, SHA-256 and SHA-512 hashes from any text input. Useful for checksums and verification.
Coming SoonTest regular expressions in real time. See matches highlighted, capture groups extracted and explanations for your pattern.
Coming SoonCompare two blocks of text side by side. See additions, deletions and changes highlighted line by line.
Coming SoonPick colors visually and convert between HEX, RGB, HSL and CMYK. Generate palettes and gradients.
Coming SoonWrite Markdown on the left, see rendered HTML on the right. Live preview with GitHub-flavored Markdown support.
Coming SoonGenerate placeholder text in paragraphs, sentences or words. Useful for mockups, wireframes and design testing.
Coming SoonCount words, characters, sentences and paragraphs in any text. Includes reading time estimate.
Coming SoonBeginnersly Tools is a growing collection of free, browser-based utilities built for developers, designers, students and anyone who works with code or data. Every tool runs entirely in your browser — your data is never uploaded to a server, making them fast, private and secure.
Whether you need to format a JSON API response, encode a string to Base64, test a regular expression, minify CSS for production, or generate placeholder text for a mockup — there is a tool here for you. All tools are free to use with no sign-up, no ads and no limits.