Narzędzia
Prześlij dane CSV i twórz interaktywne wizualizacje — histogramy, wykresy rozrzutu, serie czasowe i statystyki opisowe.
Enkod tekst to Base64 or dekod 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 obrazs.
Konwertuj kolors between HEX, RGB and HSL and podgląd the result.
Upload CSV data, pick a numeric column, and see its distribution as a histogram or box plot.
Beautify, minify and waliduj JSON natychmiast.
Generuj silne losowy hasłos and see their entropy, strength rating, and estimated time to crack.
Upload CSV data, pick X and Y columns, and natychmiast 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, znaków, sentences, paragraphs and reading time as you type.
Dekod a Base64 string or data URL into an obraz.
Utwórz CSS box-shadow kod with a live podgląd.
Konwertuj tekst to UPPERCASE, lowercase, Title Wielkość liter, camelWielkość liter, snake_case and more.
Sprawdź the contrast ratio between two kolors against WCAG AA and AAA.
Generuj kolor harmony palettes from a base kolor.
Translate a cron expression into plain English.
Build a CSS flex container with a live podgląd.
Beautify and indent CSS with one click.
Utwórz linear or radial CSS gradients with a live podgląd.
Konwertuj CSV data to JSON, with optional header row.
Look up and waliduj a domain's DKIM public-key record.
Look up and waliduj a domain's DMARC record.
Sprawdź NS, A, AAAA, MX, SPF and DMARC for a domain at once.
Look up A, AAAA, MX, TXT and more via Cloudflare DoH.
Generuj fake people for testing and seed data.
Generuj multi-rozmiar PNG favicons from a single obraz.
Find and replace tekst, with case-insensitive and regex options.
Generuj SHA-1, SHA-256, SHA-384 and SHA-512 hashes of any tekst.
Compute an HMAC message authentication kod from a key and message, in hex or Base64.
Beautify and indent HTML, w Twojej przeglądarce.
Waliduj any IBAN with the ISO 13616 sprawdźsum.
Compress JPG, PNG or WebP obrazs w Twojej przeglądarce.
Konwertuj PNG, JPG and WebP obrazs w Twojej przeglądarce.
Rerozmiar an obraz to any szerokość and wysokość.
Konwertuj an obraz to a Base64 data URL.
Combine JPG and PNG obrazs into a single PDF.
Extract tekst from an obraz or screenshot with OCR.
Geolocate any IP address: country, city, ISP and ASN.
Compare two JSON documents and see exactly what changed.
Konwertuj a JSON array of objects to CSV.
Generuj TypScript interfaces from a JSON sample.
Konwertuj JSON data to formatujted XML.
Dekod a JSON Web Token to read its header and payload.
Sign a JWT payload with HS256, HS384 or HS512.
Generuj placeholder paragraphs, sentences or words for mockups.
Turn CSV or tab-separated data into a Markdown table.
Konwertuj Markdown to HTML with a side-by-side live podgląd.
Generuj the SEO meta tags for your <head>.
Build the og:* meta tags with a social-card podgląd.
Estimate hasło entropy and crack time.
Merge multiple PDF files into one, w Twojej przeglądarce.
Extract page ranges from a PDF, w Twojej przeglądarce.
Utwórz QR kods for tekst, URLs, WiFi networks and vCards.
Scan a QR kod with your camera or by uploading an obraz.
Generuj losowy 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.
Usuń duplicate lines, sort, trim and delete empty lines from a list.
Generuj an RSA public/private key pair in PEM formatuj.
Generuj schema.org JSON-LD for articles, products, FAQs and more.
Turn any title or tekst into a clean, URL-safe slug.
Look up and waliduj a domain's SPF record.
Oblicz IPv4 subnet details from a CIDR notation.
Build a Tailwind-style 50–950 colour scale from any hex.
Waliduj the sprawdźsum of a Turkish national ID liczba.
Compare two teksts and highlight added and usuńd lines.
Encrypt and decrypt tekst with a passphrase using AES-256-GCM.
Konwertuj Unix epoch znacznik czasus to dates and dates back to znacznik czasus.
Konwertuj times between IANA time zones, side by side.
Percent-enkod tekst for URLs or dekod an enkodd URL back to plain tekst.
Tag a URL with Google Analytics utm_* parameters.
Generuj losowy version-4 UUIDs in bulk, with formatujting options.
See your public IP address plus location, ISP and ASN.
Formatuj and indent XML with a clean structure.
Konwertuj XML to JSON w Twojej przeglądarce.
Konwertuj between YAML and JSON, both directions.
Dekod and enkod 32-bit ARINC 429 avionics data-bus words.
Render tekst as 5-row ASCII block letters.
Full ASCII table with decimal, hex, octal and binarny.
Enkod and dekod Atbash — the A↔Z substitution cipher.
How long will this file take to download at this speed?
Enkod tekst to Base32 or dekod Base32 back to tekst (RFC 4648).
Enkod tekst to Base58 or dekod Base58 back to tekst.
Hash and verify hasłos with bcrypt.
Look up or build a domain's BIMI record.
Add, subtract, AND, OR, XOR and shift binarny liczbas.
Bold the first half of every word to aid skim-reading.
Utwórz CSS border-radius kod with a live podgląd.
Shift letters by any amount to enkod or dekod a Caesar cipher, or apply ROT13.
Flip one or many coins and count heads vs tails.
Blend two kolors and get the mixed hex kod.
Generuj tints and shades of any kolor.
Podgląd an obraz as seen with red/green/blue colour blindness.
Compute the CRC-32 sprawdźsum of any tekst.
Sprawdź a card liczba with the Luhn algorithm and detect its brand.
Podgląd the next N execution times of a cron expression.
Generuj a fluid responsive CSS clamp() value.
Pick a clip-path shape and copy the CSS.
Frosted-glass backdrop-filter CSS with a live podgląd.
Minify CSS by removing comments and unnecessary whitespace.
Build neumorphic soft-shadow CSS with a live podgląd.
Generuj a CSS triangle with the border trick.
Edit a CSS cubic-bezier() easing curve visually.
Oblicz the McCabe cyclomatic complexity of source kod or a control-flow graph.
Roll any liczba of dice with any liczba of sides.
Build a DMARC TXT record from a simple form.
Compute dni, godzin, minut and sekund between two times.
Trace an email's delivery path and sprawdź SPF, DKIM and DMARC results.
Strip emoji and pictographic symbols from your tekst.
Lint a .env file for bad keys, duplicates and quoting issues.
Usuń EXIF, GPS and other metadata from JPEG and PNG.
Turn tekst into bold, italic, monospace and other Unikod styles.
Tick languages, OSes and editors to build a .gitignore.
Build an Apache .htaccess redirect block visually.
Escape tekst to HTML entities or dekod HTML entities back to tekst.
Konwertuj HTML back to Markdown, w Twojej przeglądarce.
Strip HTML tags to get clean, readable plain tekst.
Szukaj and look up HTTP status kods and their meanings.
Generuj IBANs with valid sprawdźsums for testing.
Extract a dominant-colour palette from any obraz.
Crop obrazs with an aspect-ratio preset.
Konwertuj any obraz to ASCII art w Twojej przeglądarce.
Classify an IPv4 or IPv6 address (private, loopback, multicast, …).
Konwertuj IPv4 between dotted, decimal, hex and binarny.
Konwertuj 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.
Usuń or replace line breaks to join wrapped tekst into one block.
Add sequential line liczbas to a list of lines.
Pick losowy lottery liczbas for Powerball, EuroMillions and more.
Generuj losowy dummy MAC addresses with a custom prefix, formatuj and case.
Waliduj and normalise an Ethernet MAC address.
Ask a yes/no question and shake the ball.
Generuj Modified Condition/Decision Coverage test cases from a boolean expression.
Find the MIME (content) type for a file extension and vice versa.
Generuj Minecraft kolor and formatuj kods with a live styled podgląd.
Translate tekst to Morse kod and Morse kod back to tekst.
Open many URLs at once, each in its own new browser tab.
Browse and szukaj the 148 CSS named kolors.
Generuj compact, URL-safe unique IDs.
Spell tekst using the NATO phonetic alphabet (Alfa, Bravo, Charlie…).
Konwertuj liczbas between binarny, octal, decimal and hexadecimal.
Spell out any whole liczba in English words.
A darmowy distraction-darmowy notepad that autosaves w Twojej przeglądarce.
Sprawdź whether a word or phrase reads the same backwards.
Find the closest Pantone PMS kolor from a HEX, RGB, CMYK or HSV value.
Rotate PDF pages 90, 180 or 270 degrees, w Twojej przeglądarce.
Stamp a tekst watermark on every page of a PDF.
Approximate latency to common hosts from Twoja przeglądarka.
Generuj lightweight SVG placeholders at any rozmiar.
A simple 25/5/15 Pomodoro timer with rounds.
The classic Pong, playable w Twojej przeglądarce.
Szukaj common TCP/UDP port assignments.
Konwertuj internationalized domains between Unikod and Punykod (xn--).
Build a URL-enkodd query string from key=value lines.
Oblicz usable capacity, redundancy and fault tolerance for RAID 0, 1, 5, 6 and 10 arrays.
Generuj losowy hex kolors with one click.
Pick losowy items or winners from a list.
Generuj losowy strings or tokens with chosen długość and character sets.
Estimate how long a piece of tekst takes to read.
Szukajable JavaScript regex reference.
Konwertuj accented tekst to plain ASCII letters.
Szukaj Google, Bing, Yandex and TinEye by a public obraz URL.
Build a robots.txt file with crawl rules and sitemaps.
Podgląd 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 w Twojej przeglądarce.
Estimate syllables in English tekst for haiku and poetry.
Repeat any tekst a chosen liczba of times with an optional separator.
Reverse tekst by znaków, words or line order.
Utwórz CSS tekst-shadow kod with a live podgląd.
Sort lines alphabetically, by długość or numerically, with reverse option.
Konwertuj tekst to binarny and binarny back to tekst (UTF-8).
Konwertuj tekst to hexadecimal and hex back to tekst (UTF-8).
Add daily clock-in/out times and breaks to total weekly godzin and pay.
Build twitter:* meta tags with a card podgląd.
Generuj a losowy RFC 4193 Unique Local Address prefix (fd00::/8) for private IPv6 networks.
Generuj ULIDs — sortable, time-based unique identifiers.
Inspect each character's Unikod kod point, decimal value and UTF-8 bytes.
Konwertuj many Unix znacznik czasus 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.
Generuj 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 kod point and UTF-8 / UTF-16 bytes.
See your viewport rozmiar, screen resolution and DPR.
Enkod and dekod with a polyalphabetic keyword cipher.
Trim lines, collapse spaces, usuń 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.