Tools directory (320 tools)

Analysis most frequent words

Analysis n-gram analyzer

Analysis unique words

Convert straight quotes into curly smart quotes.

Normalization homoglyph detector

Normalization invisible character detector

Normalization keep only allowed character sets

Generate text lists from a numeric pattern.

Estimate reading time from a word count.

Strip diacritic marks from text.

Delete punctuation characters from text.

Strip symbol characters from text.

Convert curly quotes into straight ASCII quotes.

Remove emoji characters from text.

Measure the Shannon entropy of text.

Count characters, words, sentences, and paragraphs.

Transform find & replace (plain)

Transform find & replace (regex)

Transform invert case

Transform lowercase

Transform normalize whitespace

Transform prefix lines

Transform remove duplicate lines

Transform remove empty lines

Transform reverse lines

Transform reverse text

Transform reverse words

Transform sentence case

Transform shuffle lines

Transform sort lines

Transform suffix lines

Transform title case

Transform trim whitespace

Transform unwrap text

Transform uppercase

Transform wrap text

Normalize text using NFC composition.

Normalize text using NFD decomposition.

Normalize text using NFKC compatibility rules.

Normalize text using NFKD compatibility rules.

Convert ASCII characters into Unicode escapes.

Encode or decode text using Base64.

Common html entity decode

Common html entity encode

Common url decode

Common url encode

Custom ciphers plus URL, HTML entity, and Unicode escape tools.

Decode hexadecimal bytes into text.

Legacy and fun caesar cipher

Legacy and fun leetspeak converter

Legacy and fun morse decode

Legacy and fun morse encode

Legacy and fun vigenere cipher

Numeric and binary base-n converter (2-62)

Numeric and binary binary to decimal

Numeric and binary binary to hex

Numeric and binary binary to octal

Numeric and binary bitwise visualizer

Numeric and binary decimal to binary

Numeric and binary endian swapper

Numeric and binary hex to binary

Numeric and binary octal to binary

Apply ROT13 to text.

Apply ROT47 to text.

Convert text to binary or decode binary to text.

Encode text into hexadecimal bytes.

Escape text as Unicode sequences.

Normalize text down to ASCII only.

Turn Unicode escape sequences into text.

Asymmetric crypto ecdh key exchange demo

Asymmetric crypto ecdsa sign

Asymmetric crypto ecdsa verify

Asymmetric crypto rsa decrypt

Asymmetric crypto rsa encrypt

Asymmetric crypto rsa key pair generation

Encode data in audio phase shifts.

Spread-spectrum audio steganography.

Hide data in WAV samples with LSB.

Hashing blake2

Hashing file hash calculator

Hashing sha-1

Hashing sha-256

Hashing sha-3

Hashing sha-384

Hashing sha-512

Adaptive LSB stego with edge detection.

Hide data in JPEG DCT coefficients.

Hide data in PNG pixels with LSB encoding.

Embed data by tweaking palette indices.

Exchange messages and encrypt files with libsodium.

Security tools checksum verifier

Security tools constant-time compare demo

Security tools hmac generator

Security tools password strength analyzer

Security tools secure password generator

Security tools secure random string generator

Estimate payload size for a carrier.

Analyze carriers for steganography artifacts.

Verify payload integrity and checksums.

Encrypt and split payload across carriers.

Symmetric crypto aes-cbc

Symmetric crypto aes-gcm

Symmetric crypto key derivation visualizer

Symmetric crypto password-based encryption (pbkdf2)

JSON diff viewer

JSON flatten

JSON formatter

JSON json path tester

JSON json to csv

JSON json to xml

JSON json to yaml

JSON minifier

JSON schema validator

JSON unflatten

JSON validator

XML formatter

XML minifier

XML validator

XML xml to json

XML xpath tester

YAML and TOML json to toml

YAML and TOML json to yaml

YAML and TOML toml to json

YAML and TOML yaml to json

YAML and TOML yaml validator

Code formatting css formatter

Code formatting css minifier

Code formatting html formatter

Code formatting html minifier

Code formatting js formatter

Code formatting js minifier

Code formatting markdown formatter

Code formatting sql formatter

Diff line diff

Diff side-by-side diff

Diff text diff

Diff unified diff view

Diff word diff

Regex match highlighter

Regex regex generator

Regex regex visualizer

Regex replacement preview

Test regular expressions with live highlights.

business day calculator

cron explainer

cron expression generator

date difference

date to unix timestamp

iso-8601 formatter

quarter calculator

relative time generator

Convert times across time zones.

unix timestamp to date

week calculator

Advanced base conversions

Advanced factorial

Advanced fibonacci

Advanced gcd

Advanced lcm

Advanced matrix operations

Advanced prime checker

Advanced prime generator

Advanced scientific notation

Basic calculator

Basic percentage calculator

Basic precision tools

Basic ratio calculator

Basic rounding tools

Convert between metric and imperial units.

Statistics histogram generator

Statistics mean

Statistics median

Statistics mode

Statistics random distribution sampler

Statistics std deviation

Statistics variance

Convert temperatures across common scales.

column filter

column mapper

csv to json

csv to sql insert

csv to xml

data deduplicator

json to csv

markdown table generator

pivot table generator

table transpose

xml to csv

Tag fields and extract structured data from recurring document layouts.

Place image signatures on PDFs and export the signed file.

Files binary file viewer

Files file hash calculator

Files file text extractor

Files hex editor

Files mime type detector

Convert TTF, OTF, WOFF, and WOFF2 fonts.

Combine multiple PDFs into one file.

PDF pdf metadata viewer

PDF pdf text extraction

Split a PDF into separate files.

Remove backgrounds using an ONNX model running fully in the browser.

Calculate and constrain image aspect ratios.

Remove backgrounds using threshold rules.

Flip specific bit planes to explore binary artifacts.

Trace bitmap images into SVG vectors.

Shuffle or repeat image tiles to create blocky artifacts.

Sketch and export drawings on a canvas.

Offset RGB channels and blend them for chromatic glitches.

Generate palettes from images or rules.

Pick colors from images or a color wheel.

Simulate broken macroblocks and compression trails.

Create, edit, and export favicons directly in the browser.

Create tiles, maps, and exports for Game Boy projects.

Create CSS and image gradients.

Convert grayscale images to normal maps.

Convert height maps to normal maps.

Generate icon sets from images or glyphs.

Compare two images and highlight differences.

Convert images to black and white with dithering effects.

Stack and tune filters with a live preview: brightness, contrast, saturation, hue, exposure, gamma, vibrance, temperature, tint, grayscale, sepia, invert, opacity, blur, sharpen, emboss, edge detect, posterize, threshold, pixelate, noise, vignette.

Inspect image metadata fields locally.

Add margins/padding to images, set background color or transparency, and crop with pixel-precise bounds for image crop workflows.

Create seamless tiles and patterns from images.

Apply text or image watermarks.

Images dominant color extractor

Images exif metadata stripper

Images exif metadata viewer

Images image base64 decode

Images image base64 encode

Images image compress

Images image format convert

Images image resize

Images pixel color picker

Brush and erase to isolate a subject with a MobileSAM model.

Introduce creative JPEG glitches by bending image bytes.

Place images into device mockup frames.

Generate noise and textures for backgrounds.

Remap or swap normal map channels.

Combine multiple normal maps.

Generate normal maps from images or height fields.

Adjust normal map strength and intensity.

Convert normal maps to height maps.

Preview normal maps with lighting.

Convert object-space normals to tangent space.

Swap or scramble indexed palettes for wild color shifts.

Create pixel art with a full browser-based editor.

Design pixel fonts and export glyphs.

Sort pixels by luminance or hue to create smeared glitch art.

Apply different glitches per scan in progressive JPEGs.

Shift horizontal or vertical bands for sliced glitch effects.

Pack multiple images into a sprite sheet.

Slice sprite sheets into individual frames.

Draw a depth map and generate autostereograms with patterns or textures.

Edit and preview SVG files in the browser.

Optimize SVG files for size and cleanliness.

Convert SVG files to PNG images.

Convert tangent-space normals to object space.

Add tracking jitter, chroma bleed, and tape noise.

Bend WAV/MP3 bytes and preview audio glitches with a spectrogram.

Turn image sequences into MP4, GIF, or WebM videos with stop-motion alignment, onion-skin previews, and webcam capture.

Scan QR codes and barcodes from images or a live camera.

Export PNG frames from a video file.

Generate common barcode formats from text.

fake data generator

identicon generator

Generate placeholder text for mockups and layouts.

nanoid

Generate QR codes from text or URLs.

slug generator

test credit card generator

ulid

uuid v1

uuid v4

uuid v7

credit card (luhn)

email

iban

ip v4

ip v6

isbn

mac address

password policy

regex-based custom validator

url

address formatter

ascii table generator

Design box-shadow presets for CSS.

Build clip-path shapes with live preview.

Tune CSS filter chains for images.

currency formatter

Create Europass-compatible CVs with templates, live preview, and client-only PDF export.

html preview sandbox

Convert images into ASCII art.

Render Markdown with full feature support.

number formatter

phone formatter

Create terminal-style colorized strings and export ANSI, markup, or JSON.

base64 image preview

cookie parser

invisible character highlighter

jwt decode & inspect

localstorage viewer

mime explorer

sessionstorage viewer

unicode codepoint explorer

clipboard inspector

deterministic generator (seeded)

entropy calculator

offline-capable scratchpad

pii detector

randomness tester

text redactor

Manage a local-only task list in your browser.

history / undo stack

offline cache

preset manager

shareable url state

tool chaining

wasm module loader

web worker isolation