Image Compressor
Reduce image file size while keeping quality.
Image Resizer
Resize JPG, PNG, or WebP images to custom dimensions.
Image Cropper
Crop images to any aspect ratio in the browser.
Image Format Converter
Convert between PNG, JPG, WebP, and AVIF.
Image to Base64
Encode any image as a Base64 data URI.
Base64 to Image
Decode a Base64 string back into an image preview.
Image Color Picker
Pick exact colors from any pixel in an image.
Background Remover
Remove solid backgrounds by clicking the color to drop.
Image Flipper / Rotator
Flip horizontally, vertically, or rotate by any angle.
Bulk Image Renamer
Rename many images at once with patterns.
EXIF Data Viewer
Inspect EXIF metadata embedded in photos.
Image Watermarker
Add text watermarks to your photos.
Favicon Generator
Generate a full favicon set from a single image.
Screenshot to PDF
Combine screenshots into a single PDF document.
SVG to PNG
Rasterize SVG files into PNG at any resolution.
PNG to SVG
Trace bitmap images into editable SVG.
GIF Maker
Build animated GIFs from a sequence of images.
Photo Filters
Apply Instagram-style filters to your images.
Image Border Adder
Add solid borders and drop shadows to images.
Collage Maker
Combine multiple photos into a single collage.
PDF Compressor
Reduce PDF file size without losing quality.
PDF Merger
Combine multiple PDFs into a single document.
PDF Splitter
Split a PDF into individual pages or ranges.
PDF to Word
Convert PDF documents into editable Word files.
PDF to Image
Export each PDF page as a PNG or JPG.
Image to PDF
Combine images into a single PDF document.
PDF Page Rotator
Rotate one or all pages of a PDF.
PDF Password Protector
Re-save PDFs with a protection marker in metadata.
PDF Password Remover
Remove a known password from a PDF.
PDF Metadata Editor
View and edit title, author and subject of a PDF.
Word Counter
Count words, characters, sentences, and paragraphs.
Character Counter
Count characters with and without spaces.
Case Converter
Transform text to UPPER, lower, Title, or Sentence case.
Text Reverser
Reverse text character by character.
Duplicate Line Remover
Strip duplicate lines from any block of text.
Text Sorter
Sort lines alphabetically A–Z or Z–A.
Lorem Ipsum Generator
Generate placeholder Lorem Ipsum text.
Text to Speech
Read any text aloud using your browser voices.
Speech to Text
Transcribe spoken audio into text.
Text Diff Checker
Compare two pieces of text and highlight differences.
Plagiarism Checker
Basic comparison of text against another source.
Readability Score
Flesch, Flesch-Kincaid, Gunning Fog and SMOG scores.
Fancy Text Generator
Convert text into stylish unicode fonts.
Text Repeater
Repeat any string N times with optional separator.
Whitespace Remover
Strip extra spaces, tabs and blank lines from text.
Text Summarizer
Extractive summary of any text, local & private.
Paraphraser
Quick local synonym-based paraphrasing.
Grammar Checker
Heuristic grammar and typo checker.
Markdown to HTML
Convert Markdown into rendered HTML.
HTML to Markdown
Convert HTML back into Markdown.
MD5 Hash Generator
Generate an MD5 hash of any input string.
SHA-256 Hash Generator
Generate a cryptographic SHA-256 hash.
bcrypt Hash Generator
Hash passwords with bcrypt.
Password Generator
Generate strong, secure random passwords.
Password Strength Checker
Estimate the strength of any password.
JWT Decoder
Decode and inspect JSON Web Tokens.
Base64 Encoder / Decoder
Encode and decode Base64 strings.
URL Encoder / Decoder
Percent-encode and decode URL components.
HTML Entities Encoder / Decoder
Escape and unescape HTML entities.
ROT13 Cipher
Apply the classic ROT13 substitution cipher.
JSON Formatter & Validator
Pretty-print, minify, and validate JSON.
JSON to CSV
Convert JSON arrays to CSV.
CSV to JSON
Convert CSV data to JSON arrays.
XML Formatter
Pretty-print and validate XML.
HTML Formatter / Minifier
Format or minify HTML markup.
CSS Formatter / Minifier
Format or minify CSS code.
JavaScript Minifier
Compress JavaScript source for production.
SQL Formatter
Standardize SQL queries with proper indentation.
Regex Tester
Test regular expressions with live matches.
Color Code Converter
Convert between HEX, RGB and HSL.
Color Palette Generator
Generate harmonious color palettes.
Gradient Generator
Build CSS linear and radial gradients visually.
Box Shadow Generator
Compose CSS box shadows visually.
Border Radius Generator
Visualize and generate CSS border-radius values.
Meta Tag Generator
Generate SEO and social meta tags for any page.
Open Graph Preview
Preview how a URL renders on social platforms.
Robots.txt Generator
Build a robots.txt with allow/disallow rules.
Sitemap Generator
Generate XML sitemaps for any list of URLs.
HTTP Status Code Reference
Look up any HTTP status code and its meaning.
Cron Expression Generator
Build and explain Linux cron expressions.
Scientific Calculator
Full scientific calculator with trig functions.
Percentage Calculator
Calculate percentages, increases, and decreases.
Fraction Simplifier
Simplify any fraction to lowest terms.
Prime Number Checker
Test whether a number is prime.
Number Base Converter
Convert between binary, octal, decimal and hex.
Roman Numeral Converter
Convert between decimal and Roman numerals.
Random Number Generator
Generate random numbers with custom ranges.
Statistics Calculator
Mean, median, mode and standard deviation.
Loan / EMI Calculator
Estimate monthly loan payments and interest.
Age Calculator
Calculate exact age in years, months and days.
GST Calculator (India)
Add Indian GST to a base amount with CGST/SGST or IGST split.
Reverse GST Calculator (India)
Extract the GST and base amount from a GST-inclusive price.
Unix Timestamp Converter
Convert between Unix epoch and ISO dates.
Date Difference Calculator
Calculate days, months and years between dates.
Timezone Converter
Convert times across multiple timezones.
Day of Week Calculator
Find the day of the week for any date.
Date Formatter
Format dates with custom patterns.
Countdown Timer Generator
Create shareable countdown timers.
Working Days Calculator
Count business days between two dates.
Date to ISO 8601
Convert any date to ISO 8601 format.
Julian Date Converter
Convert between Gregorian and Julian dates.
World Clock
View current time across major cities worldwide.
Color Contrast Checker
Check WCAG contrast ratios for text and backgrounds.
Color Blindness Simulator
Simulate how images appear with color blindness.
CSS Gradient Generator
Visual gradient builder with CSS output.
Font Pairing Suggester
Find complementary font pairings.
Tailwind Color Reference
Browse the full Tailwind color palette.
Citation Generator
Generate APA, MLA, Chicago, Harvard, IEEE, Vancouver citations.
Bibliography Builder
Build and export a formatted reference list.
DOI Lookup
Retrieve paper metadata from any DOI.
Abstract Summarizer
AI plain-language summary of research abstracts.
Thesis Statement Generator
AI-generated structured thesis statements.
Research Outline Builder
Build a structured research paper outline.
Plagiarism Highlighter
Highlight overlapping phrases between texts.
Paraphrase Detector
Detect semantic similarity between texts.
Academic Word List Checker
Highlight academic words in any text.
Readability & FK Scorer
Flesch, FK Grade, Gunning Fog, SMOG indices.
Journal Abbreviation Lookup
Find ISO 4 journal abbreviations.
ORCID / Scholar Card
Generate a profile link card for scholars.
Hypothesis Framer
Frame research questions and hypotheses.
Literature Review Matrix
Build a comparison table of multiple papers.
Statistical Test Selector
Pick the right statistical test for your design.
In-Text Citation Formatter
Format APA/MLA in-text citation parentheticals.
Word Count Target Tracker
Track per-section word count targets.
Acronym Expander
Detect and expand acronyms in academic text.
Figure & Table Numbering Checker
Verify figures and tables are numbered and referenced.
Peer Review Checklist
Generate discipline-aligned peer review checklists.
QR Code Generator
Generate downloadable QR codes from any text.
QR Code Reader
Read QR codes from images or your camera.
Barcode Generator
Generate Code 128, EAN, and UPC barcodes.
UUID Generator
Generate v4 UUIDs for any purpose.
Morse Code Translator
Convert text to and from Morse code.
IP Address Lookup
Look up details about any IP address.
Unit Converter
Convert length, weight, temperature and more.
ASCII Art Generator
Convert text into ASCII art banners.
Email Validator
Validate the syntax of email addresses.
Email Signature Generator
Create professional email signatures from multiple templates.
Stopwatch & Lap Timer
Precision stopwatch with laps, splits, and CSV export.
JSON Diff
Structural diff between two JSON values.
YAML ↔ JSON
Convert between YAML and JSON in either direction.
cURL → fetch
Convert any cURL command into JavaScript fetch code.
Mock Data Generator
Generate realistic JSON, CSV, or SQL test data.
CSV to Chart
Render bar, line, or pie charts from CSV data.
Slug Generator
Turn any text into a URL-safe slug.
Find & Replace
Live find-and-replace with regex and whole-word options.
File Hash
Compute MD5, SHA-1, SHA-256, SHA-512 of any local file.
Image Color Extractor
Extract the dominant color palette from any image.
SVG Optimizer
Minify SVG markup and visualize the savings.
Cubic-Bezier Editor
Design CSS easing curves with a draggable preview.
Image Pixelator
Pixelate or mosaic any image at an adjustable block size.
Image Blur
Apply a Gaussian-style blur with custom radius.
Grayscale / Sepia / Invert
One-click tonal conversions for any image.
Photo Frame Generator
Wrap photos in Polaroid, rounded, or film-strip frames.
Aspect Ratio Calculator
Compute ratios and resize preserving aspect.
PDF Page Reorder
Reorder pages within a PDF and export a new file.
PDF Text Extractor
Extract raw text content from any text-based PDF.
PDF Page Counter
Show page count and metadata of any PDF.
PDF Watermark
Stamp a diagonal text watermark on every page.
Text Encryption (AES)
AES-256-GCM encrypt/decrypt with a passphrase, all local.
Text ↔ Binary
Convert text to and from 8-bit binary.
NATO Phonetic Converter
Spell text as Alpha-Bravo-Charlie phonetics.
Random Word Generator
Generate N random English words.
Reading Time Estimator
Estimate reading time at your chosen pace.
JWT Builder
Compose and sign HS256 JWTs in-browser.
HTML → JSX Converter
Convert raw HTML attributes to JSX-safe form.
JSON Schema Generator
Infer a draft-07 JSON Schema from any JSON sample.
JSON → TypeScript
Generate TypeScript interfaces from a JSON sample.
URL Parser
Decompose a URL into protocol, host, query, and hash.
User-Agent Parser
Decode a UA string into browser, OS, and device.
Webhook Tester
Inspect webhook payloads via a hosted echo URL.
Redirect Helper
Generate Apache and nginx redirect rules.
SHA-1 / SHA-512 Hash
Compute SHA-1 or SHA-512 digests via WebCrypto.
HMAC Generator
HMAC sign payloads with SHA-256 or SHA-512.
Random Token Generator
Crypto-secure random tokens in hex or Base64.
Passphrase Generator
Diceware-style memorable passphrases.
Quadratic Equation Solver
Solve ax² + bx + c = 0, including complex roots.
Triangle Calculator
Area and angles from three sides.
Compound Interest Calculator
Compound growth at any frequency.
BMI Calculator
Compute body mass index from height and weight.
Tip / Bill Splitter
Compute tip and split a bill across diners.
Time Tracker
Track time across multiple tasks. CSV export.
Pomodoro Timer
Customizable work/break Pomodoro timer.
Birthday Countdown
Days and hours until your next birthday.
Shadow Stack Generator
Layer multiple box-shadows for depth.
Glassmorphism Generator
Frosted-glass card CSS with live preview.
Neumorphism Generator
Soft UI inset/outset shadows.
CSS Clip-Path Maker
Pick polygon clip-path presets with live preview.
RIS ↔ BibTeX Converter
Convert references between RIS and BibTeX.
APA Reference Validator
Heuristic checks for APA 7 reference formatting.
Research Keyword Extractor
Pull the most distinctive terms from any abstract.
Sample Size Calculator
Required sample size for estimating a proportion.
Wi-Fi QR Generator
QR code to auto-join a Wi-Fi network.
vCard Generator
Generate a downloadable .vcf contact card.
Calendar (ICS) Generator
Build a downloadable .ics calendar invite.
Currency Converter
Convert between currencies using live rates.
Internet Speed Test
Approximate download speed via a 5 MB test file.
Lorem Picsum Picker
Generate placeholder image URLs from Lorem Picsum.
Image Upscaler
Enlarge images up to 4× with high-quality bilinear smoothing.
Image Noise Reducer
Smooth out grain and noise with a Gaussian blur.
Image Sharpener
Unsharp-mask sharpening with adjustable strength.
Color Palette Extractor
Extract the 8 most-dominant colors from any image.
Image Cartoonizer
Posterize photos to N levels for a cartoon look.
PDF Form Filler
Fill AcroForm text fields and download the completed PDF.
PDF Redactor
Overlay redaction bars and stamp pages with REDACTED.
PDF Metadata Editor
Edit PDF title, author, and subject metadata.
PDF Text Reader
Extract text from any text-based PDF via pdf.js.
PDF Signer
Stamp a signature line with name and timestamp.
Spellchecker
Detect common English misspellings with auto-fix.
Text Summarizer
Extractive sentence-frequency summarizer, fully local.
Anagram Finder
Group words by their sorted letters to find anagrams.
Palindrome Checker
Detect palindromes ignoring case and punctuation.
Text Line Shuffler
Randomize the order of lines via Fisher-Yates.
Word Frequency Counter
Count and rank the most-used words in any text.
GraphQL Formatter
Pretty-print GraphQL queries and mutations.
Cron Expression Explainer
Translate 5-field cron expressions to plain English.
OpenAPI Viewer
Browse endpoints and summaries in any OpenAPI 3 spec.
Code Diff Viewer
LCS-based line diff of two text snippets.
.env Parser
Validate and visualize .env files.
CSS Minifier
Strip comments and collapse whitespace in CSS.
HTML Minifier
Strip HTML comments and collapse inter-tag whitespace.
XML to JSON
Convert any XML document into a JSON object.
Base32 Converter
Encode or decode Base32 strings, all in-browser.
JSON Tree Viewer
Browse any JSON document as a collapsible tree.
SSL Reachability Checker
Quick HTTPS reachability check from the browser.
Email Breach Checker
Privacy-safe HIBP lookup using k-anonymity SHA-1.
2FA QR Generator
Build TOTP QR codes for authenticator apps.
Caesar Cipher
Classic shift cipher with adjustable rotation amount.
Matrix Calculator
Compute determinant and transpose of any matrix.
Equation Solver
Solve linear and quadratic equations.
Function Graph Plotter
Plot any y = f(x) function on a 2D canvas.
Roman Numeral Converter
Convert numbers to Roman numerals and back (1–3999).
Binary Calculator
Add, subtract, multiply, and bitwise-combine binaries.
Number to Words
Spell out any integer up to trillions.
Discount Calculator
Compute final price after one or more % discounts.
Meeting Time Planner
Compare business-hour overlap across multiple timezones.
Tailwind Cheatsheet
Searchable reference for the most-used Tailwind utilities.
SVG Editor
Live-edit SVG markup with instant preview.
Icon Search
Search common Lucide, Heroicon, and Tabler icon names.
Simple Logo Maker
Combine a mark, wordmark, and tagline into an SVG logo.
DOI Resolver
Look up full citation details from any DOI via CrossRef.
Plagiarism Scanner
Compare two texts with Jaccard and trigram similarity.
URL Shortener
Shorten long URLs via the public is.gd API.
Weather Lookup
Live forecast via the free Open-Meteo API. No key needed.
Unit Flashcards
Practice metric/imperial conversions interactively.
Daily Habit Tracker
Track daily habits with browser-local storage.
Random Name Picker
Cryptographically fair winner pick from a list.
Coin Flip
Cryptographically fair 50/50 coin flip with running tally.
Magic 8 Ball
Ask a yes-or-no question and get one of 19 classic answers.
HTML Editor
Full-featured HTML editor with live preview, templates, responsive device modes, and download.
WYSIWYG Editor
Rich-text What-You-See-Is-What-You-Get editor with formatting toolbar, source view, and HTML export.