在线工具

Random Token Generator Generates a random string of the specified length and character set, which can be used for temporary tokens, test passwords, and identifiers. token-generator text hash calculation Calculate hash values such as MD5, SHA1, SHA256, SHA384, SHA512, SHA3, and RIPEMD160 on text. hash-text Bcrypt hash Use bcrypt to hash the text and verify it against existing bcrypt hash values. bcrypt UUID generator Generate UUID v4 or Nil UUID, suitable for test data, temporary identifiers, and distributed unique ID. uuid-generator ULID Generator Generate time-orderable ULIDs that are suitable for logs, events, and database identifiers. ulid-generator Text encryption/decryption Encrypt and decrypt text using algorithms such as AES, TripleDES, RC4, or Rabbit. encryption BIP39 mnemonic generator Generate BIP39 mnemonic phrase to facilitate the process of learning and testing mnemonic words. bip39-generator HMAC Generator Generates the HMAC message authentication code using the key and the specified hash algorithm. hmac-generator RSA Key Pair Generator Generate RSA private and public keys in the browser and output them in PEM format. rsa-key-pair-generator Password Strength Analyzer Estimate password length, character type, entropy, and offline brute force time. password-strength-analyser PDF signature checker Check whether there are signature-related structural tags in the PDF file to help determine whether the file may have a signature. pdf-signature-checker

date-time converter Quickly convert between timestamp, local time, ISO time, and UTC time. date-converter integer converter Convert integers between binary, octal, decimal, hexadecimal, and 36. base-converter Roman Numeral Converter Convert Arabic numerals to Roman numerals, or parse Roman numerals into ordinary numbers. roman-numeral-converter Base64 string encoding and decoding Encode ordinary text into Base64, or decode Base64 back into text. base64-string-converter Base64 file converter Convert uploaded files into Base64 Data URLs for easy embedding or debugging. base64-file-converter color format converter Convert between common color formats such as Hex, RGB, and HSL. color-converter naming format converter Convert text to camelCase, PascalCase, snake_case, kebab-case, etc. case-converter Text to NATO phonetic alphabet Convert the text to the NATO phonetic alphabet, suitable for oral spelling and information confirmation. text-to-nato-alphabet Convert text to ASCII binary Convert text to ASCII binary representation, or decode binary content to text. text-to-binary Text and Unicode conversion Convert text to a Unicode escape form, or parse a Unicode escape back to text. text-to-unicode YAML to JSON Parses and converts YAML content into formatted JSON. yaml-to-json-converter YAML to TOML Convert YAML configuration to TOML format. yaml-to-toml JSON to YAML Parses and converts JSON content to YAML. json-to-yaml-converter JSON to TOML Convert JSON objects to TOML configuration format. json-to-toml list converter Performs operations such as sorting, inverting, de-duplication, case conversion, and CSV row conversion on multi-line lists. list-converter TOML to JSON Parses TOML content and converts it to formatted JSON. toml-to-json TOML to YAML Parses TOML content and converts it to YAML. toml-to-yaml XML to JSON Parses the XML content and converts it to a JSON structure. xml-to-json JSON to XML Convert a JSON object to an XML string. json-to-xml Markdown to HTML Convert Markdown text to HTML and provide instant preview. markdown-to-html Timestamp conversion tool Convert between timestamp and common date formats, supporting seconds, milliseconds and formatted displays. timestamp

URL encoding/decoding Percent encode and decode URLs or URL components. url-encoder HTML entity escape Escape or invert HTML special characters. html-entities URL parser Parses the protocol, host, port, path, query parameters, and fragment components of the URL. url-parser device information View device information such as current browser, screen, language, online status and viewports. device-information Basic Auth Generator Generate an HTTP Basic Authorization request header based on the username and password. basic-auth-generator Open Graph Meta Generator Generate Meta tags such as webpage titles, descriptions, Open Graph, and Twitter Cards. og-meta-generator OTP Dynamic Captcha Generator A TOTP dynamic Captcha is generated based on the Base32 key and the remaining validity time is displayed. otp-generator MIME type query Query MIME types based on file extensions, or query common extensions based on MIME types. mime-types JWT parser Parse JWT's Header, Payload, and Signature to facilitate debugging of token content. jwt-parser Keyboard key code query The key, code, keyCode and modifier key status are displayed after pressing any key. keycode-info URL Slug Generator Convert the title or phrase to a slug that fits the URL, file name, and anchor ID. slugify-string HTML WYSIWYG Editor Edit rich text content online and view generated HTML in real time. html-wysiwyg-editor User-Agent parser Identify browser, system, device type, etc. from User-Agent strings. user-agent-parser HTTP status code query Query common HTTP status codes and their meanings. http-status-codes JSON Differences Comparison Compare the two JSON objects and list the field-level differences. json-diff Safelink decoder Extract the real destination address from Outlook Safelink links. safelink-decoder Title to URL alias Translate and convert Chinese titles into slugs suitable for article linking and SEO. slugify-string-translator

QR code generator Generate QR codes for text or links, and support customization of foreground and background colors. qrcode-generator WiFi QR code generator Generate a quick connection QR code based on the WiFi name, password and encryption method. wifi-qrcode-generator SVG Footmark Generator Generate SVG placeholders by size, color, and text. svg-placeholder-generator Camera camera tool Call the browser camera to preview and capture the current picture. camera-recorder Icon Converter Convert pictures to ICO icons, or export icon zip packs in multiple size. icon-converter Moving code generator According to the mobile phone number, generate a temporary moving QR code that can be scanned to contact the owner. nuoche

Git Quick Checklist Organize commonly used Git commands for quick review of commit, branch, rebase, and temporary storage operations. git-memo random port generator Generate random port numbers in the range of 1024 to 65535. random-port-generator Crontab expression generator Combine the minute, hour, date, month, and week fields to generate a crontab expression. crontab-generator JSON formatting Format the JSON string into a readable indented structure. json-prettify JSON compression Remove excess white space in JSON and generate a compact string. json-minify JSON to CSV Convert JSON in the form of an array of objects to CSV text. json-to-csv SQL-formatted Basic wrap and indent SQL queries to improve readability. sql-prettify Chmod Rights Calculator Select read, write, and execute permissions to generate the chmod command in octal and symbolic form. chmod-calculator Docker Run to Compose Convert common docker run parameters into docker compose service fragments. docker-run-to-docker-compose-converter XML format Organize the XML string into an indented and readable format. xml-formatter YAML formatting Parse and re-output YAML to make the structure clearer. yaml-prettify Standardize email addresses Standardize email addresses such as scribbling and de-tagging, and support Gmail dot rules. email-normalizer Regular expression tester Enter regular expressions, flags, and sample text to view the matching results. regex-tester Regular expression quick lookup table List commonly used regular grammars, character classes, quantifiers, and grouping writing methods. regex-memo

IPv4 subnet calculator Calculate the subnet mask, network address, broadcast address, and host range based on IPv4/CIDR. ipv4-subnet-calculator IPv4 Address Translator Convert IPv4 addresses to decimal, hexadecimal, binary, and IPv6 mappings. ipv4-address-converter IPv4 Range Calculator Calculate the number of addresses and the CIDR covering the range based on the starting and ending IPv4 addresses. ipv4-range-expander MAC address vendor query Query equipment manufacturer information based on MAC address. mac-address-lookup MAC address generator Generate random MAC addresses by prefix and quantity. mac-address-generator IPv6 ULA Generator Generate locally unique IPv6 address prefixes that comply with RFC4193. ipv6-ula-generator

Mathematical expression calculator Calculate mathematical expressions that include common Math functions. math-evaluator ETA Estimated Completion Time Calculator Estimate the remaining time and completion time based on the completed quantity, total quantity and elapsed time. eta-calculator percentage calculator Calculate the proportion, percentage corresponding value, and the percentage change between the two numbers. percentage-calculator Compound interest calculator Calculate changes in principal, interest rate and income based on annual, monthly and daily compound interest. compound-interest-calculator

timer Provides simple start, stop and reset timing functions. chronometer temperature converter Convert between degrees Celsius, degrees Fahrenheit, Kelvin, and degrees Langeland. temperature-converter benchmarking tool Run a JavaScript fragment multiple times in the current browser, and calculate the minimum, maximum, and average time consumption. benchmark-builder

Placeholder text generator Generate Lorem ipsum placeholder text based on the number of paragraphs. lorem-ipsum-generator text statistics Count the number of text characters, bytes, words, lines, sentences and paragraphs. text-statistics Emoji selector Quickly select and copy common Emoji emoticons. emoji-picker String desensitization tool Hide the middle part of the string to make it easier to share tokens, accounts or other sensitive fragments. string-obfuscator Comparison of text differences Compare two paragraphs of text line by line to display new and deleted content. text-diff Digital abbreviation generator Convert internationalization to numerical abbreviations like i18n. numeronym-generator ASCII text renderer Convert the input text to a simple ASCII style arrangement. ascii-text-drawer

Telephone number parsing and formatting Extract the digits in the phone number and generate an approximate E.164 and group display form. phone-parser-and-formatter IBAN Checksum Resolution Verify the IBAN number and parse the country code, check bits, and BBAN. iban-validator-and-parser