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Find matching anagrams in a word list.

Convert to camelCase or PascalCase.

Visualize character frequency in text.

Remove duplicate lines from text.

Search and copy emojis.

Search and replace text in bulk.

Detect, copy, and remove invisible characters.

Convert any text to kebab-case format.

Convert text into 1337 speak.

Generate placeholder dummy text.

Build a .gitignore for any combination of languages and stacks.

Encode text to Base64 or decode Base64 back to plain text.

Toggle Linux file permission bits and read both numeric and symbolic chmod.

Convert HEX ↔ RGB ↔ HSL ↔ HSV in one step.

Parse a cron expression and translate it to plain English.

Calculate selector specificity as ID, class and element weights.

Suggest Tailwind utility classes for a block of CSS.

Convert a docker run command into a Docker Compose service.

Check Dockerfiles for common security and portability issues.

Validate .env syntax and inspect key/value pairs.

Remove duplicate CSV rows while preserving order.

Convert CSV (with header row) to a JSON array.

Convert any CSV to a GitHub-flavoured Markdown table.

Extract tabular data from pasted HTML tables.

Parse INI sections and key/value pairs into readable paths.

Sort JSON arrays and inspect filter-friendly output.

Structural diff of two JSON documents.

Flatten nested JSON objects into dotted paths.

Pretty-print JSON with configurable indentation.

Strip whitespace and comments from JSON.

Encrypt or decrypt text with AES-256-GCM and a passphrase.

Generate Argon2id password hashes with configurable parameters.

Hash a password with Bcrypt or verify a hash.

Compute keyed HMAC signatures (SHA-1, SHA-256, SHA-384, SHA-512).

Build a signed-token preview from JSON header and payload data.

Compute the MD5 hash of any text.

Generate strong, cryptographically-random passwords.

Estimate password entropy and strength in real time.

Work with armored PGP-style text payloads in-browser.

Decode QR code images back to text.

Convert a list of old → new URLs into Apache 301 redirect rules.

Normalise any URL — force https, drop tracking params, sort query.

Compose a Content-Security-Policy header from common directive sources.

Build simple CSS keyframes and animation shorthand values.

Calculate content, padding, border, margin and rendered CSS box sizes.

Generate common CSS clip-path shapes with live preview CSS.

Compose responsive media queries for width, orientation and preference features.

Inspect pasted HTML for favicon, apple touch icon and manifest declarations.

Generate hreflang link tags for localized page alternates.

Search common HTML entities by symbol, name or numeric code.

Simulate color blindness types.

Explore complementary, analogous, triadic, tetradic and monochrome palettes.

Mix two colors and see the result.

Search CSS color names and copy their HEX values.

Pick and copy any color in any format.

Check WCAG contrast ratios.

Create CSS gradients visually.

Build light and dark color pairs with contrast ratios.

Find the closest Material Design palette color for any HEX value.

Find the nearest CSS named color.

Calculate age in seconds, minutes, hours, days and years.

Calculate proportional width or height from any aspect ratio.

Calculate AND, OR, XOR, NOT and shifts with binary and hexadecimal output.

Calculate final balance, interest earned and contributions over time.

Generate Fibonacci numbers with index and comma-separated output.

Greatest common divisor and least common multiple of any list of integers.

Compute monthly payments, total interest and amortisation for a loan.

Evaluate mathematical expressions with functions and constants.

Add, subtract and multiply 2x2 matrices, plus determinant values.

Convert between binary, octal, decimal and hexadecimal.

Calculate exact age in years, months, days and hours.

Render a month grid with ISO week numbers.

Live countdown to any future date and time.

Add or subtract days, weeks, months or years from any date.

Difference between two dates in every common unit.

Parse any date input and format it with a custom pattern.

Find the day of the week, day of year and ISO week for any date.

Format seconds or milliseconds as readable durations.

Parse ISO 8601 duration strings into component parts.

Estimate the moon phase and illumination for a date.

Turn an image into monospaced ASCII art.

Decode a base64 string or data URI into a downloadable image.

Extract a dominant-colour palette from any image with k-means.

Remove EXIF, IPTC, XMP and ICC metadata from an image.

View EXIF tags embedded in JPEG and other images.

Generate a multi-size favicon.ico plus 16-512 px PNGs from one image.

Apply grayscale or sepia filters to an uploaded image.

Shrink an image's file size with a quality slider.

Crop an image to a specified rectangle.

Flip horizontally / vertically and rotate by 90, 180 or 270 degrees.

Keep selected CSV columns by name or index.

Compare two CSV files by rows or a key column.

Render any CSV as a printable, paginated PDF table.

Read title, creator and publisher metadata from EPUB files.

Break down Excel formulas into readable function notes.

Compute MD5, SHA-1, SHA-256, SHA-384 and SHA-512 for any file.

Generate a basic .ics calendar event.

Convert newline-delimited JSON to an array and back.

Decode magnet URI parameters into readable fields.

Render any Markdown text into a styled, paginated PDF.

Convert request quotas into per-second, per-minute and spacing guidance.

Break a CIDR block into network, mask, broadcast, first/last and host count.

Convert a curl command into JS fetch, PowerShell or .NET HttpClient code.

Resolve A, AAAA, MX, TXT, NS, CNAME and SOA records via DNS-over-HTTPS.

Parse email headers and Received hops.

Validate email address syntax without contacting mail servers.

Fetch any URL and review its response headers + security headers.

Send any HTTP request and inspect the full response.

Classify any IPv4 / IPv6 address: public, private, loopback, link-local, multicast.

Parse, classify and re-format a MAC / EUI-48 address.

Generate EAN-13, Code 128 and UPC-A barcode payloads.

Generate syntactically valid demo IBANs and Luhn card numbers.

Generate simple mock JSON arrays from a field schema.

Generate SVG placeholder avatars from initials.

Generate fake street addresses for mock data.

Generate random color palettes as hex values.

Generate random example names locally.

Validate SWIFT/BIC code structure.

Search common ISO country codes.

Search common currency codes and symbols.

Validate ISBN-10 and ISBN-13 check digits.

Validate ISSN check digits.

Search chemical elements by symbol, name or atomic number.