Free, fast browser-based tools — no install required.
Network tools provide IP lookup, DNS checks, and utilities for developers and IT teams.
3 toolsGenerator tools create random numbers, passwords, UUIDs, and more for development and daily use.
4 toolsFree online tools that run locally in your browser — no install or registration.
6 toolsText tools offer word counts, case conversion, deduplication, and more for writing and data cleanup.
46 toolsDeveloper tools include JSON formatting, regex testing, and encoding utilities for daily coding workflows.
48 toolsConverter tools transform JSON, CSV, XML, YAML, and other formats for data work and API debugging.
2 toolsFree online tools that run locally in your browser — no install or registration.
9 toolsFree online tools that run locally in your browser — no install or registration.
5 toolsFree online tools that run locally in your browser — no install or registration.
6 toolsImage tools compress, convert, and resize files locally in your browser to protect privacy.
6 toolsFree online tools that run locally in your browser — no install or registration.
2 toolsFree online tools that run locally in your browser — no install or registration.
5 toolsFree online tools that run locally in your browser — no install or registration.
2 toolsCrypto tools provide hashing, encoding, and decoding — all computed locally for development and security checks.
5 toolsGenerate random numbers in a custom range. Supports integers, decimals, and unique mode.
Generate secure random passwords with custom length and character sets.
Generate QR codes from text or URLs.
Generate random UUID v4 identifiers.
Count words, characters, lines and paragraphs online.
Convert text to upper, lower, or title case.
Remove extra spaces and blank lines from text.
Remove duplicate lines from text.
Convert between Simplified and Traditional Chinese.
Convert Markdown text to HTML online.
Sort text lines in ascending or descending order.
Reverse characters, lines, or words in text.
Remove empty lines from text online.
Remove duplicate lines from text.
Remove all whitespace from text.
Split text by a custom delimiter.
Join multiple lines with a delimiter.
Live preview of Markdown text.
Convert HTML to Markdown online.
Strip HTML tags and extract plain text.
Encode and decode Unicode escape sequences.
Remove emoji characters from text.
Extract emoji characters from text.
Convert text to title case.
Convert between full-width and half-width characters.
Compare two texts online.
Line-by-line text diff online.
Convert Chinese to pinyin.
Convert to camelCase.
Convert to snake_case.
Convert to kebab-case.
Preview Markdown and print to PDF.
Convert CSV to JSON.
Convert JSON to CSV.
ROT13 encode/decode text.
Add line numbers to text.
Generate lorem ipsum placeholder text.
Count characters in text online.
Count words in text online.
Count sentences in text.
Count paragraphs in text.
Randomly shuffle text lines.
Mirror each line of text.
Remove special characters from text.
Split text by fixed chunk size.
Convert to PascalCase.
Encode text to HTML entities.
Decode HTML entities to text.
Convert XML to JSON.
Convert JSON to XML.
Encode and decode Base64 strings online.
Encode and decode URL strings online.
Convert Unix timestamps to dates and back.
Format, minify and validate JSON online.
Generate MD5 hash from text locally.
Encode and decode HTML entities.
Test regular expressions against sample text.
Encode text to Base64 online.
Decode Base64 to text online.
Encode text for use in URLs.
Decode URL-encoded text.
Minify JSON by removing whitespace.
Compare two JSON documents.
Validate JSON syntax online.
Convert JSON to YAML online.
Convert YAML to JSON online.
Format and prettify XML online.
Generate NanoID identifiers.
Decode JWT tokens.
Generate JWT tokens.
Build cron expressions.
Parse cron expressions.
Encode text to hexadecimal.
Decode hex to text.
Convert text to binary.
Convert binary to text.
Encode text to ASCII codes.
Decode ASCII codes to text.
Encode text to octal.
Decode octal to text.
Encode text to decimal codes.
Decode decimal codes to text.
Encode text to UTF-8 hex bytes.
Decode UTF-8 hex bytes to text.
Sort JSON keys recursively.
Query JSON by dot path.
Minify XML online.
Validate XML format.
Format SQL statements.
Minify SQL to one line.
Beautify SQL with indentation.
Generate common regex patterns.
Generate UUID v1 identifiers.
Format HTML code.
Minify HTML code.
Preview HTML rendering live.
Format JavaScript code.
Minify JavaScript code.
Calculate percentages online.
Calculate exact age from birth date.
Calculate days between two dates.
Calculate Body Mass Index from height and weight.
Calculate monthly mortgage payments.
Calculate simple and compound interest.
Calculate sale price and savings.
Calculate tip and split bill.
Calculate profit margin.
Live countdown to a target date and time.
Convert Gregorian dates to Chinese lunar calendar.
Look up 24 solar terms for any year.
Convert datetime by UTC offset.
Add days to a date.
Get week number of year.
Compress images locally in your browser.
Convert images between PNG, JPEG and WebP.
Resize images to custom dimensions.
Convert SVG code to PNG images.
Generate CODE128 barcodes online.
Generate favicons from an image.