Tools
Upload CSV-gegevens en maak interactieve visualisaties — histogrammen, spreidingsdiagrammen, tijdreeksen en beschrijvende statistieken.
Encode tekst to Base64 or decode Base64 back to tekst, with full UTF-8 support.
Upload a CSV and build interactive line, bar, scatter, area, pie, histogram or box charts, then download them as PNG or SVG afbeeldings.
Converteer kleurs between HEX, RGB and HSL and voorbeeld the result.
Upload CSV data, pick a numeric column, and see its distribution as a histogram or box plot.
Beautify, minify and valideer JSON direct.
Genereer sterk willekeurig wachtwoords and see their entropy, strength rating, and estimated time to crack.
Upload CSV data, pick X and Y columns, and direct visualize relationships with Pearson correlation and optional linear regression.
Upload CSV data and get a full statistical summary of every numeric column with mini-histograms and a correlation matrix.
Upload CSV with a date column, plot values over time with optional moving averages.
Count words, tekens, sentences, paragraphs and reading time as you type.
Decode a Base64 string or data URL into an afbeelding.
Maak aan CSS box-shadow code with a live voorbeeld.
Converteer tekst to UPPERCASE, lowercase, Title Hoofdletter, camelHoofdletter, snake_case and more.
Controleer the contrast ratio between two kleurs against WCAG AA and AAA.
Genereer kleur harmony palettes from a base kleur.
Translate a cron expression into plain English.
Build a CSS flex container with a live voorbeeld.
Beautify and indent CSS with one click.
Maak aan linear or radial CSS gradients with a live voorbeeld.
Converteer CSV data to JSON, with optional header row.
Look up and valideer a domain's DKIM public-key record.
Look up and valideer a domain's DMARC record.
Controleer NS, A, AAAA, MX, SPF and DMARC for a domain at once.
Look up A, AAAA, MX, TXT and more via Cloudflare DoH.
Genereer fake people for testing and seed data.
Genereer multi-grootte PNG favicons from a single afbeelding.
Find and replace tekst, with case-insensitive and regex options.
Genereer SHA-1, SHA-256, SHA-384 and SHA-512 hashes of any tekst.
Compute an HMAC message authentication code from a key and message, in hex or Base64.
Beautify and indent HTML, in uw browser.
Valideer any IBAN with the ISO 13616 controleersum.
Compress JPG, PNG or WebP afbeeldings in uw browser.
Converteer PNG, JPG and WebP afbeeldings in uw browser.
Regrootte an afbeelding to any breedte and hoogte.
Converteer an afbeelding to a Base64 data URL.
Combine JPG and PNG afbeeldings into a single PDF.
Extract tekst from an afbeelding or screenshot with OCR.
Geolocate any IP address: country, city, ISP and ASN.
Compare two JSON documents and see exactly what changed.
Converteer a JSON array of objects to CSV.
Genereer TypeScript interfaces from a JSON sample.
Converteer JSON data to formatteerted XML.
Decode a JSON Web Token to read its header and payload.
Sign a JWT payload with HS256, HS384 or HS512.
Genereer placeholder paragraphs, sentences or words for mockups.
Turn CSV or tab-separated data into a Markdown table.
Converteer Markdown to HTML with a side-by-side live voorbeeld.
Genereer the SEO meta tags for your <head>.
Build the og:* meta tags with a social-card voorbeeld.
Estimate wachtwoord entropy and crack time.
Merge multiple PDF files into one, in uw browser.
Extract page ranges from a PDF, in uw browser.
Maak aan QR codes for tekst, URLs, WiFi networks and vCards.
Scan a QR code with your camera or by uploading an afbeelding.
Genereer willekeurig integers in a range, optionally with no repeats.
Query RDAP for a domain, IP or ASN — the modern WHOIS.
Compute Flesch, Flesch–Kincaid, Gunning Fog, ARI and SMOG.
Test a regular expression against tekst and see every match.
Verwijder duplicate lines, sort, trim and delete empty lines from a list.
Genereer an RSA public/private key pair in PEM formatteer.
Genereer schema.org JSON-LD for articles, products, FAQs and more.
Turn any title or tekst into a clean, URL-safe slug.
Look up and valideer a domain's SPF record.
Bereken IPv4 subnet details from a CIDR notation.
Build a Tailwind-style 50–950 colour scale from any hex.
Valideer the controleersum of a Turkish national ID nummer.
Compare two teksts and highlight added and verwijderd lines.
Encrypt and decrypt tekst with a passphrase using AES-256-GCM.
Converteer Unix epoch tijdstempels to dates and dates back to tijdstempels.
Converteer times between IANA time zones, side by side.
Percent-encode tekst for URLs or decode an encoded URL back to plain tekst.
Tag a URL with Google Analytics utm_* parameters.
Genereer willekeurig version-4 UUIDs in bulk, with formatteerting options.
See your public IP address plus location, ISP and ASN.
Formatteer and indent XML with a clean structure.
Converteer XML to JSON in uw browser.
Converteer between YAML and JSON, both directions.
Decode and encode 32-bit ARINC 429 avionics data-bus words.
Render tekst as 5-row ASCII block letters.
Full ASCII table with decimal, hex, octal and binair.
Encode and decode Atbash — the A↔Z substitution cipher.
How long will this file take to download at this speed?
Encode tekst to Base32 or decode Base32 back to tekst (RFC 4648).
Encode tekst to Base58 or decode Base58 back to tekst.
Hash and verify wachtwoords with bcrypt.
Look up or build a domain's BIMI record.
Add, subtract, AND, OR, XOR and shift binair nummers.
Bold the first half of every word to aid skim-reading.
Maak aan CSS border-radius code with a live voorbeeld.
Shift letters by any amount to encode or decode a Caesar cipher, or apply ROT13.
Flip one or many coins and count heads vs tails.
Blend two kleurs and get the mixed hex code.
Genereer tints and shades of any kleur.
Voorbeeld an afbeelding as seen with red/green/blue colour blindness.
Compute the CRC-32 controleersum of any tekst.
Controleer a card nummer with the Luhn algorithm and detect its brand.
Voorbeeld the next N execution times of a cron expression.
Genereer a fluid responsive CSS clamp() value.
Pick a clip-path shape and copy the CSS.
Frosted-glass backdrop-filter CSS with a live voorbeeld.
Minify CSS by removing comments and unnecessary whitespace.
Build neumorphic soft-shadow CSS with a live voorbeeld.
Genereer a CSS triangle with the border trick.
Edit a CSS cubic-bezier() easing curve visually.
Bereken the McCabe cyclomatic complexity of source code or a control-flow graph.
Roll any nummer of dice with any nummer of sides.
Build a DMARC TXT record from a simple form.
Compute dagen, uren, minuten and seconden between two times.
Trace an email's delivery path and controleer SPF, DKIM and DMARC results.
Strip emoji and pictographic symbols from your tekst.
Lint a .env file for bad keys, duplicates and quoting issues.
Verwijder EXIF, GPS and other metadata from JPEG and PNG.
Turn tekst into bold, italic, monospace and other Unicode styles.
Tick languages, OSes and editors to build a .gitignore.
Build an Apache .htaccess redirect block visually.
Escape tekst to HTML entities or decode HTML entities back to tekst.
Converteer HTML back to Markdown, in uw browser.
Strip HTML tags to get clean, readable plain tekst.
Zoek and look up HTTP status codes and their meanings.
Genereer IBANs with valid controleersums for testing.
Extract a dominant-colour palette from any afbeelding.
Crop afbeeldings with an aspect-ratio preset.
Converteer any afbeelding to ASCII art in uw browser.
Classify an IPv4 or IPv6 address (private, loopback, multicast, …).
Converteer IPv4 between dotted, decimal, hex and binair.
Converteer IPv4 addresses to IPv4-mapped and 6to4 IPv6, and back.
Expand an IPv6 CIDR to its address range, or collapse a range into CIDR blocks.
Expand or compress an IPv6 address into canonical form.
Verwijder or replace line breaks to join wrapped tekst into one block.
Add sequential line nummers to a list of lines.
Pick willekeurig lottery nummers for Powerball, EuroMillions and more.
Genereer willekeurig dummy MAC addresses with a custom prefix, formatteer and case.
Valideer and normalise an Ethernet MAC address.
Ask a yes/no question and shake the ball.
Genereer Modified Condition/Decision Coverage test cases from a boolean expression.
Find the MIME (content) type for a file extension and vice versa.
Genereer Minecraft kleur and formatteer codes with a live styled voorbeeld.
Translate tekst to Morse code and Morse code back to tekst.
Open many URLs at once, each in its own new browser tab.
Browse and zoek the 148 CSS named kleurs.
Genereer compact, URL-safe unique IDs.
Spell tekst using the NATO phonetic alphabet (Alfa, Bravo, Charlie…).
Converteer nummers between binair, octal, decimal and hexadecimal.
Spell out any whole nummer in English words.
A gratis distraction-gratis notepad that autosaves in uw browser.
Controleer whether a word or phrase reads the same backwards.
Find the closest Pantone PMS kleur from a HEX, RGB, CMYK or HSV value.
Rotate PDF pages 90, 180 or 270 degrees, in uw browser.
Stamp a tekst watermark on every page of a PDF.
Approximate latency to common hosts from uw browser.
Genereer lightweight SVG placeholders at any grootte.
A simple 25/5/15 Pomodoro timer with rounds.
The classic Pong, playable in uw browser.
Zoek common TCP/UDP port assignments.
Converteer internationalized domains between Unicode and Punycode (xn--).
Build a URL-encoded query string from key=value lines.
Bereken usable capacity, redundancy and fault tolerance for RAID 0, 1, 5, 6 and 10 arrays.
Genereer willekeurig hex kleurs with one click.
Pick willekeurig items or winners from a list.
Genereer willekeurig strings or tokens with chosen lengte and character sets.
Estimate how long a piece of tekst takes to read.
Zoekable JavaScript regex reference.
Converteer accented tekst to plain ASCII letters.
Zoek Google, Bing, Yandex and TinEye by a public afbeelding URL.
Build a robots.txt file with crawl rules and sitemaps.
Voorbeeld how your title, URL and meta description look in Google results.
Build an XML sitemap from a list of URLs.
Strip comments and whitespace to minify SQL.
Millisecond-precision stopwatch with lap times.
Escape tekst for JSON/JavaScript strings or unescape it back.
Strip metadata and shrink SVG files in uw browser.
Estimate syllables in English tekst for haiku and poetry.
Repeat any tekst a chosen nummer of times with an optional separator.
Reverse tekst by tekens, words or line order.
Maak aan CSS tekst-shadow code with a live voorbeeld.
Sort lines alphabetically, by lengte or numerically, with reverse option.
Converteer tekst to binair and binair back to tekst (UTF-8).
Converteer tekst to hexadecimal and hex back to tekst (UTF-8).
Add daily clock-in/out times and breaks to total weekly uren and pay.
Build twitter:* meta tags with a card voorbeeld.
Genereer a willekeurig RFC 4193 Unique Local Address prefix (fd00::/8) for private IPv6 networks.
Genereer ULIDs — sortable, time-based unique identifiers.
Inspect each character's Unicode code point, decimal value and UTF-8 bytes.
Converteer many Unix tijdstempels to human dates at once.
Flip your tekst upside down (˙uʍop ǝpᴉsdn) for fun social posts.
Break a URL into its parts and list its query parameters.
Genereer Apache and nginx rewrite rules from a pretty URL pattern.
Parse a browser user-agent string into browser, OS and device.
See each character's code point and UTF-8 / UTF-16 bytes.
See your viewport grootte, screen resolution and DPR.
Encode and decode with a polyalphabetic keyword cipher.
Trim lines, collapse spaces, verwijder blank lines or strip all whitespace.
Count how often each word appears in your tekst, ranked by frequency.
See the current time in major cities at a glance.