🔤 Text & Developer Tools
50 free tools, all running in your browser. No sign-up.
🔤 JSON Formatter, Validator & Minifier
Format, validate and minify JSON with a clear error location if it's invalid.
Open Tool →🔤 Base64 Encode & Decode
Encode text to Base64 or decode it back, with full Unicode/UTF-8 support.
Open Tool →🔤 URL Encode & Decode
Percent-encode text for a URL, or decode a percent-encoded string back to plain text.
Open Tool →🔤 HTML Entity Encode & Decode
Escape text to HTML entities or decode entities back to plain text.
Open Tool →🔤 Hash Generator
Generate MD5, SHA-1, SHA-256 and SHA-512 hashes of any text, live as you type.
Open Tool →🔤 Lorem Ipsum Generator
Generate placeholder Lorem Ipsum text by paragraphs, sentences or words.
Open Tool →🔤 Word, Character & Sentence Counter
Live counts of words, characters, sentences, paragraphs, and reading time.
Open Tool →🔤 Case Converter
Convert text to camelCase, snake_case, kebab-case, PascalCase, Title Case and more at once.
Open Tool →🔤 Text Diff / Compare
Compare two blocks of text line by line and see exactly what changed.
Open Tool →🔤 Regex Tester
Test a regular expression with live match highlighting, capture groups and a plain-English breakdown.
Open Tool →🔤 String Escape / Unescape
Escape or unescape a string for JavaScript/JSON, HTML or SQL literals.
Open Tool →🔤 Number Base Converter
Convert numbers between binary, octal, decimal, hex, or any base 2-36.
Open Tool →🔤 Roman Numeral Converter
Convert between Roman numerals and Arabic numbers, both directions.
Open Tool →🔤 Cron Expression Parser & Explainer
Paste a cron expression to get a plain-English explanation and the next 5 run times.
Open Tool →🔤 JSON ↔ YAML Converter
Convert JSON to YAML and YAML back to JSON in your browser, with clear errors on unsupported YAML features like anchors.
Open Tool →🔤 JSON ↔ CSV Converter
Convert a JSON array of objects to CSV and back, with proper comma/quote/newline escaping and dot-notation flattening.
Open Tool →🔤 JSON ↔ XML Converter
Convert JSON to XML and XML back to JSON with a configurable root element and clear attribute/text conventions.
Open Tool →🔤 XML Formatter & Validator
Pretty-print, minify, or validate XML in your browser using the native DOM parser for accurate error detection.
Open Tool →🔤 HTML Table Generator from CSV/TSV
Paste CSV or TSV and get a formatted HTML table with a live preview and one-click copy of the source.
Open Tool →🔤 TSV ↔ CSV Converter
Convert tab-separated values to comma-separated and back with correct quoting and escaping in both directions.
Open Tool →🔤 CSV Column Extractor
Paste CSV, pick which columns to keep and in what order, and get back just those columns as clean CSV.
Open Tool →🔤 NanoID Generator
Generate cryptographically random NanoID-style short unique IDs with a custom alphabet and length, in batches up to 1000.
Open Tool →🔤 CSS Minifier & Beautifier
Minify CSS to a compact one-liner or beautify it back to readable, indented form — safe with strings and content values.
Open Tool →🔤 JS Minifier & Beautifier
Beautify JavaScript with proper indentation, or safely strip whitespace and comments only — no risky renaming.
Open Tool →🔤 HTML Minifier & Beautifier
Minify HTML by stripping comments and collapsing whitespace, or beautify it by re-indenting to tag nesting depth.
Open Tool →🔤 Markdown ↔ HTML Converter
Convert Markdown to HTML with a live rendered preview, or convert HTML back to Markdown — all in your browser.
Open Tool →🔤 HTML to Markdown Converter
Paste an HTML snippet, including tables, and get clean Markdown back — no server round-trip.
Open Tool →🔤 SQL Formatter / Beautifier
Pretty-print SQL queries with clauses on new lines and indented lists and subqueries for easier reading.
Open Tool →🔤 Git Diff Viewer
Paste a unified diff patch or two text blocks and see a colorized, readable added/removed line comparison.
Open Tool →🔤 gitignore Generator
Pick your stack (Node, Python, Docker, VS Code, and more) and get one deduplicated, ready-to-use .gitignore file.
Open Tool →🔤 Line Sorter, Deduper & Shuffler
Sort, deduplicate, remove blank lines, trim, or randomly shuffle a pasted list — all client-side, with a live line count.
Open Tool →🔤 Text Line Deduplicator
Remove duplicate lines with case-sensitive or insensitive matching, keep-first or keep-last, and see exactly what was removed.
Open Tool →🔤 Whitespace & Line-Ending Normalizer
Convert line endings between CRLF, LF and CR, trim trailing whitespace, collapse blank lines, and convert tabs to spaces.
Open Tool →🔤 Text Reverse & ROT13 Cipher
Reverse text by character or word order, and encode/decode with the self-inverse ROT13 or ROT47 ciphers.
Open Tool →🔤 Unicode Code Point Inspector
Paste text and see every character's Unicode code point, UTF-8 bytes, UTF-16 units, and approximate category.
Open Tool →🔤 String Length & UTF-8 Byte Counter
See code-point count, UTF-16 unit count, and UTF-8 byte length side by side, with an explanation of why they differ.
Open Tool →🔤 Levenshtein Distance & Similarity Scorer
Compute the edit distance between two texts and a normalized similarity percentage, computed entirely in your browser.
Open Tool →🔤 Exact-Match Text Comparator (Local Only)
Find and highlight exact matching phrases between two texts using local n-gram comparison — no internet search involved.
Open Tool →🔤 curl ↔ fetch() Converter
Convert a curl command to equivalent JavaScript fetch() code, or a fetch() call back to an equivalent curl command.
Open Tool →🔤 HTTP Status Code Reference
A searchable reference of every standard HTTP status code, its reason phrase, and what it means.
Open Tool →🔤 HTTP Header Inspector
Paste raw HTTP headers and get a plain-English explanation of each one, plus flags for common misconfigurations.
Open Tool →🔤 User-Agent String Parser
Paste any User-Agent string and get the browser, engine, OS, and device type it identifies — or parse your own.
Open Tool →🔤 IPv4/IPv6 Subnet Calculator
Enter an IP address and prefix length to get the network address, broadcast address, usable host range, and mask.
Open Tool →🔤 MIME Type Lookup by Extension
Search a comprehensive file-extension-to-MIME-type reference, with lookup in either direction.
Open Tool →🔤 Timestamp (Epoch) ↔ Date Converter
Convert Unix epoch time to a readable date in UTC and your local timezone, or convert a date back to epoch.
Open Tool →🔤 Character Map & Emoji Picker
Browse and search hundreds of special characters, symbols, and emoji, and click any one to copy it instantly.
Open Tool →