All tools

Every DigDevBox tool in one place — 117 tools, grouped by category, all free.

Crypto 18

Token GeneratorGenerate random tokens and strings online — pick the length (1-512) and character set (uppercase, lowercase, digits, symbols). Free, instant, nothing leaves your browser.
Hash Generator — MD5, SHA-1, SHA-256 OnlineHash a text string using the function you need : MD5, SHA1, SHA256, SHA224, SHA512, SHA384, SHA3 or RIPEMD160 — with 16-digit MD5 and upper/lower-case hex output
BcryptHash and compare text string using bcrypt. Bcrypt is a password-hashing function based on the Blowfish cipher.
UUID Generator — v4, v1, v3, v5 and NIL IDsGenerate UUIDs online for free — v4 random, v1 time-based, v3/v5 namespace UUIDs and NIL, with one-click copy.
ULID Generator — Time-Ordered, Sortable IDs OnlineGenerate ULIDs online — sortable, time-ordered unique identifiers, ideal for database keys and distributed systems.
Nano ID Generator — Short, URL-safe Unique IDs OnlineGenerate nanoid-style unique IDs online — URL-safe alphabet, any length, batch of up to 200, built with crypto randomness in your browser.
Encrypt / decrypt textEncrypt clear text and decrypt ciphertext using crypto algorithms like AES, TripleDES, Rabbit or RC4.
BIP39 passphrase generatorGenerate a BIP39 passphrase from an existing or random mnemonic, or get the mnemonic from the passphrase.
HMAC Generator — Sign Messages with SHA-256 OnlineComputes a hash-based message authentication code (HMAC) using a secret key and your favorite hashing function.
RSA Key Pair GeneratorGenerate an RSA private/public key pair online — PEM format, 2048 to 8192 bits, for SSH, TLS or JWT RS256. No OpenSSL install, keys never leave your browser.
Password strength analyserDiscover the strength of your password with this client-side-only password strength analyser and crack time estimation tool.
Password GeneratorGenerate strong, secure random passwords online — pick the length (8-128) and character sets, with a cryptographic random source. Ambiguous characters (Il1O0) excluded by default, nothing leaves your browser.
PDF signature checkerVerify the signatures of a PDF file. A signed PDF file contains one or more signatures that may be used to determine whether the contents of the file have been altered since the file was signed.
PDF MergeCombine multiple PDF files into one — in upload order, page count shown before you start. Free, private, everything happens in your browser.
PDF SplitSplit a PDF into single pages, or extract a page range — page count is read from the file before you choose. Free, private, runs in your browser.
PDF WatermarkAdd a text watermark to every page of a PDF — adjustable size, opacity, angle, single line or tiled. Free, private, runs in your browser.
PDF CompressorCompress PDF files online by recompressing embedded photos and rebuilding the file structure. Two levels, live before/after sizes, never larger than the original. Free, private, runs in your browser.
htpasswd generator and checkerGenerate .htpasswd lines for Apache or Nginx basic auth using bcrypt, apr1, SHA1 or plain text, and verify existing entries.

Converter 24

Date Converter — Formats, Time Zones and ISO 8601Convert between date formats online — ISO 8601, RFC 3339, UTC, locale, Excel, Mongo ObjectID and Unix timestamps.
Unix Timestamp Converter — Epoch to Date, Seconds vs MillisecondsConvert a Unix epoch timestamp (seconds or milliseconds) to a readable date, or turn a date into a timestamp online.
Integer base converterConvert a number between different bases (decimal, hexadecimal, binary, octal, base64, ...)
Roman numeral converterConvert Roman numerals to numbers and convert numbers to Roman numerals.
Base64 Encoder & Decoder — Padding, URL-Safe, Binary-SafeSimply encode and decode strings into their base64 representation.
Base64 to Image — Online Decode, Preview and DownloadConvert a string, file, or image into its base64 representation.
Color converterConvert color between the different formats (hex, rgb, hsl and css name)
Color Contrast Checker — Pass or Fail WCAG AA and AAACheck the contrast ratio between two colours against WCAG 2.x AA and AAA thresholds for normal and large text, with a live text preview.
Case converterTransform the case of a string and choose between different formats
Text to NATO alphabetTransform text into the NATO phonetic alphabet for oral transmission.
Text to ASCII binaryConvert text to its ASCII binary representation and vice-versa.
Text to UnicodeParse and convert text to unicode and vice-versa — HTML entities or plain decimal code points.
YAML to JSON converterSimply convert YAML to JSON with this online live converter.
YAML to TOMLParse and convert YAML to TOML.
JSON to YAML converterSimply convert JSON to YAML with this online live converter.
JSON to TOMLParse and convert JSON to TOML.
List converterRemove duplicates, sort, reverse, lowercase, trim and add prefix/suffix to a list, one item per line. Everything runs in your browser — no upload.
TOML to JSONParse and convert TOML to JSON.
TOML to YAMLParse and convert TOML to YAML.
XML to JSONConvert XML data to JSON format.
JSON to XMLConvert JSON data to XML format.
Markdown to HTMLConvert Markdown to HTML, with print support (save as PDF).
RMB amount in Chinese uppercaseTurn a numeric amount into the Chinese financial uppercase wording (yuan / jiao / fen), with an optional RMB prefix.
ASCII tableThe standard ASCII table from 0 to 127 with decimal, hexadecimal, octal and binary values, searchable by character or code.

Web 18

URL Encoder & Decoder — Percent-Encoding, encodeURIComponent PitfallsEncode text to URL-encoded format (also known as "percent-encoded"), or decode from it.
Escape HTML entitiesEscape or unescape HTML entities (turn <, >, &, " and ' into their HTML form) and look up common characters — quotes, dashes, currency, math and Greek symbols — in a searchable entity reference table.
URL parserParse a URL into its separate constituent parts (protocol, origin, params, port, username-password, ...)
Device informationGet information about your current device (screen size, pixel-ratio, user agent, ...)
Basic auth generatorGenerate a base64 basic auth header from a username and password.
Open graph meta generatorGenerate open-graph and socials HTML meta tags for your website.
OTP code generatorGenerate and validate time-based OTP (one time password) for multi-factor authentication.
MIME typesConvert MIME types to file extensions and vice-versa.
JWT Decoder & Parser — Inspect Header, Payload and ExpirationDecode and parse JSON Web Tokens (JWT) online — inspect header, payload and registered claims at a glance.
Keycode infoFind the javascript keycode, code, location and modifiers of any pressed key.
Slugify stringMake a string url, filename and id safe.
HTML WYSIWYG editorOnline, feature-rich WYSIWYG HTML editor which generates the source code of the content immediately.
User-agent parserDetect and parse Browser, Engine, OS, CPU, and Device type/model from an user-agent string.
HTTP status codesThe list of all HTTP status codes, their name, and their meaning.
JSON diffCompare two JSON objects and get the differences between them.
Outlook SafeLink DecoderDecode SafeLink URLs from Outlook emails and recover the real address.
JSON to GET paramsFlatten JSON into a URL query string (a[b][0]=1 style) and rebuild JSON from a query string or a full URL.
HTTP headers & request methodsA searchable reference of common HTTP request and response headers plus the nine standard request methods, covering CORS, caching, security fields and safe/idempotent semantics.

Images & Videos 10

QR Code generatorGenerate and download a QR code for a URL (or just plain text), and customize the background and foreground colors.
WiFi QR Code generatorGenerate and download QR codes for quick connections to WiFi networks.
SVG placeholder generatorGenerate svg images to use as a placeholder in your applications.
Camera RecorderRecord video or take photos from your webcam online — no app install, no upload. Frames and clips stay on your machine until you download them. Works in any modern browser.
Image ResizerResize images online to exact pixel dimensions — step-down scaling keeps detail instead of smearing it, and nothing is uploaded because it all runs in your browser.
Image CompressorCompress JPEG and WebP images online to a quality level or a target file size — lossy re-encoding in your browser, so the file never leaves your machine.
Image CropperCrop an image to an exact pixel region in your browser — drag the box, lock a ratio, and export at the true source resolution, not a scaled-down copy.
Image Color PickerClick any pixel of an image to read its exact colour as HEX, RGB and HSL — sampled from the original file, entirely offline in your browser.
Favicon GeneratorTurn any image into a real multi-size favicon.ico plus apple-touch-icon and 512px PNG — centre-cropped and resized in your browser, nothing uploaded.
Images to PDFCombine images into one PDF, each on its own page at its own size — JPEG is carried in without re-compression, and everything runs in your browser.

Development 18

Git cheatsheetGit is a decentralized version management software. With this cheatsheet, you will have quick access to the most common git commands.
Random port generatorGenerate random port numbers outside of the range of "known" ports (0-1023).
Crontab Generator — Cron Expressions with Plain-English PreviewValidate and generate crontab and get the human-readable description of the cron schedule.
JSON Formatter & Validator — Beautify, Validate, Diff and ConvertFormat and validate JSON online — pretty-print at your indent size, sort keys and spot syntax errors instantly, right in your browser.
JSON minifyMinify and compress your JSON by removing unnecessary whitespace.
JSON to CSVConvert JSON to CSV with automatic header detection.
CSV to JSONConvert CSV to a JSON array with quoted fields, real newlines and duplicate-column safeguards.
SQL Formatter — Format and Beautify SQL OnlinePaste a messy SQL query and get it formatted — or minified to one line. Keywords upper-cased, clauses indented, one field per line. Supports PostgreSQL, MySQL, T-SQL, BigQuery and 8 more dialects, free in your browser.
Chmod Calculator — Unix File Permissions (755, 644, 777)Compute your chmod permissions and commands with this online chmod calculator.
Docker Run to Compose Converter — Generate a compose Service from a CommandTransforms "docker run" commands into docker-compose files!
XML Formatter — Beautify, Validate and Minify XMLPrettify or minify your XML string — human-readable indentation, or strip it back down to a single line.
YAML Formatter & Validator — Format YAML OnlinePrettify your YAML string into a friendly, human-readable format.
Email Address NormalizerNormalize email addresses to a standard format for easier comparison, deduplication and data cleaning.
Regex Tester — JavaScript Regex Tester OnlineTest regular expressions online with live match results — JavaScript flavor, toggle flags and capture groups instantly.
Regex Cheat Sheet — Complete Regular Expression ReferenceA complete regex cheat sheet — common regular expression syntax, quantifiers, flags and character classes with examples.
px / rem converterConvert a batch of values between px and rem with a configurable root font size.
JSON to model classesGenerate TypeScript, C#, Java or Go model classes from JSON, splitting nested objects into their own classes.
Linux commands cheat sheetA searchable cheat sheet of common Linux commands with what they do and ready-to-use examples.

Network 9

IPv4 Subnet CalculatorPaste a CIDR like 192.168.1.0/24 and get the full subnet breakdown — usable hosts, first/last address, netmask, wildcard. Built for VPC and VLAN planning, free in your browser.
IPv4 address converterConvert an IP address into decimal, binary, hexadecimal, or even an IPv6 representation of it.
IPv4 range expanderGiven a start and an end IPv4 address, this tool calculates a valid IPv4 subnet along with its CIDR notation.
MAC address lookupFind the vendor and manufacturer of a device by its MAC address.
MAC address generatorEnter the quantity and prefix. MAC addresses will be generated in your chosen case (uppercase or lowercase)
IPv6 ULA generatorGenerate your own local, non-routable IP addresses for your network according to RFC4193.
WHOIS lookupLook up domain registration data such as registrar, dates and status. Powered by RDAP, the official successor of WHOIS.
HTTP status checkerCheck the live HTTP status code and response headers of a URL to troubleshoot reachability, redirects and caching.
Today in historySee what happened on this day in history. Events load automatically when the page opens.

Math 3

Math evaluatorA calculator for evaluating mathematical expressions. You can use functions like sqrt, cos, sin, abs, etc.
ETA CalculatorWhat does ETA mean? Estimated Time of Arrival — this calculator projects when your download, build or batch job will finish from current progress, with duration and clock time. Free, runs in your browser.
Percentage CalculatorWhat is X% of Y? Find a percentage of a number, work out what percent one value is of another, or compute percentage increase and decrease — with the formula shown for each result.

Measurement 5

ChronometerMonitor the duration of a thing. Basically a chronometer with simple chronometer features.
Temperature converterDegrees temperature conversions for Kelvin, Celsius, Fahrenheit, Rankine, Delisle, Newton, Réaumur, and Rømer.
Unit converterConvert between 11 categories of units: length, area, volume, weight, speed, time, data storage, power, pressure, angle and temperature.
Benchmark builderEasily compare execution time of tasks with this very simple online benchmark builder.
Reaction Time TestMeasure your visual reaction time in the browser — wait for the panel to turn green and click the instant it does, with best, median and mean over five rounds.

Text 10

Lorem Ipsum GeneratorGenerate lorem ipsum placeholder text — paragraphs, sentences or words — for layouts and mockups. The classic printing-industry dummy text since the 1500s, free and instant, right in your browser.
Text statisticsGet information about a text, the number of characters, the number of words, its size in bytes, ...
Emoji pickerCopy and paste emojis easily and get the unicode and code points value of each emoji.
String obfuscatorObfuscate a string (like a secret, an IBAN, or a token) to make it shareable and identifiable without revealing its content.
Text diffCompare two texts and see the differences between them.
Numeronym GeneratorA numeronym is an abbreviation where the middle letters are replaced by their count — i18n for internationalization, k8s for kubernetes, a11y for accessibility. Build a numeronym from any word, or look up the established ones in our built-in dictionary — free, right in your browser.
ASCII Art GeneratorTurn text into ASCII art with multiple fonts and styles.
Full-width / half-width converterConvert between full-width and half-width characters using the fixed Unicode offset 0xFEE0, or adjust punctuation only.
Morse Code ConverterWhat is Morse code? The dot-and-dash alphabet dating from the 1840s. Encode text to Morse or decode it back — letters separated by spaces, words by a slash, free and instant in your browser.
Batch text replacerFind and replace text with plain or regular-expression matching, optional case-insensitive mode and a match counter.

Data 2

Phone parser and formatterParse, validate and format phone numbers. Get information about the phone number, like the country code, type, etc.
IBAN validator and parserValidate and parse IBAN numbers. Check if an IBAN is valid and get the country, BBAN, if it is a QR-IBAN and the IBAN friendly format.