All tools
Free, browser-based utilities. No sign-up, no tracking.
103 tools
Text tools
Transform, count, encode and clean up text instantly.
Case Converter
Did you leave the caps lock active while typing something? Don't worry, just paste the text, select the case you want and done!
Open tool →Text List Transformer
Easily convert your text to a list or join your list to a text by a separator, also reorder your list items.
Open tool →Base64 - Encoder and Decoder
Encode your text to base64 or decode a base64 string to text in a easily way.
Open tool →Word Frequency
Rapidly and easily check your words and characters frequency inside a given text.
Open tool →Lorem Ipsum Generator
Generate placeholder paragraphs for mockups, wireframes and design comps. All in your browser.
Open tool →Slug Generator
Convert any title into a clean, ASCII URL slug. Live preview, diacritic-stripping, custom separator.
Open tool →Text Diff
Compare two pieces of text and see what changed. Line or word granularity, live preview, runs entirely in your browser.
Open tool →Find and Replace
Search and replace across any block of text, with live preview, regex, whole-word and case-sensitive options.
Open tool →HTML Stripper
Paste any HTML and get clean, readable plain text — tags removed, entities decoded, whitespace tidied.
Open tool →String Escape & Unescape
Escape and unescape strings for JavaScript, JSON, SQL, HTML, URLs and regular expressions — pick a context and go.
Open tool →Text Extractor
Pull every email, URL, phone number, hashtag, mention, date and IPv4 address out of a block of messy text — instantly.
Open tool →ROT13, ROT5, ROT47 & Caesar Cipher
Apply the classic letter-shift ciphers — ROT13, ROT5 for digits, ROT18, ROT47, or any custom Caesar shift — instantly.
Open tool →Encoders & decoders
URL, Base64, JWT, hash — encode and decode common formats in your browser.
URL Encoder / Decoder
Percent-encode and decode URLs and query parameters. Component or full-URL scope, runs entirely in your browser.
Open tool →JWT Decoder
Inspect a JSON Web Token's header and payload. Verification is intentionally not performed — this is for debugging only.
Open tool →Hash Generator
Compute MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes from text or files. Runs entirely in your browser.
Open tool →Base64 Image Encoder & Decoder
Convert images to base64 data URLs and back. Drop a file or paste a data URL — never leaves your browser.
Open tool →JWT Signer & Verifier
Sign and verify JSON Web Tokens client-side with HS256/HS384/HS512, RS256 and ES256. Generate RSA & ECDSA keys in-browser.
Open tool →bcrypt Hash Generator & Verifier
Hash passwords with the industry-standard bcrypt and verify a plain password against any bcrypt hash. Adjustable cost.
Open tool →Generators
Generate strong passwords, UUIDs, QR codes and more.
Password Generator
Generate strong, random passwords in your browser. Cryptographically secure, never sent anywhere.
Open tool →UUID Generator
Generate UUID v4 (random) or v7 (timestamp-ordered) identifiers in your browser.
Open tool →QR Code Generator
Make a QR code for a URL, text, vCard or Wi-Fi credential. Live preview, SVG-quality, downloads as PNG.
Open tool →Yes / No Wheel — Spin to Decide
Can't make up your mind? Spin the wheel for a Yes, No, or Maybe — or shake the Magic 8-Ball for a vintage answer.
Open tool →Truth or Dare Generator
Hundreds of truth questions and dares across four modes — clean, spicy (PG-13), couples, and group party.
Open tool →Aesthetic Username Generator
Pick an aesthetic — cottagecore, dark academia, y2k, fairycore, kawaii, grunge, vaporwave, celestial, soft girl, cyberpunk — and get six on-vibe usernames at a time.
Open tool →Mock Data Generator
Build a custom schema and download fake JSON, CSV or SQL — names, emails, UUIDs, dates and more.
Open tool →WiFi QR Code
Generate a scannable QR code that joins any phone to your WiFi network — no typing the password.
Open tool →Would You Rather Generator
Two impossible choices, infinite arguments — perfect for road trips, parties and awkward silences.
Open tool →Never Have I Ever Generator
Pull confession-style prompts for parties, road trips and group chats — four tones, never repeats inside a deck.
Open tool →Decision Wheel Spinner
Type your options, hit spin, let the wheel decide. Save and share with a copyable link.
Open tool →Coin Flip and Dice Roller
Heads or tails, D6, D20, 2D6 or any custom die — animated, fair, with a roll history.
Open tool →Random Number Generator
Pick numbers in any range — with or without duplicates, sorted or shuffled, copy-paste ready.
Open tool →Pickup Line Generator
Cute, cheesy, nerdy, dad-joke or brutally honest — pick a vibe, pull a line, deny it later.
Open tool →Compliment Generator
Fresh, sincere compliments — motivational, appreciation, professional, love or playful — for cards, chats and check-ins.
Open tool →Developer tools
JSON, regex, Markdown — utilities for working with code and structured data.
JSON Formatter
Beautify, minify, and validate JSON in your browser. Live updates, copy with one click — nothing leaves your device.
Open tool →Regex Tester
Build, test and debug JavaScript regular expressions with live highlighting, replace mode and ready-to-use presets.
Open tool →Markdown Preview
Write Markdown on the left, see the rendered HTML on the right. Live preview, GFM support, copy as HTML.
Open tool →SQL Formatter
Beautify SQL queries with dialect-aware rules. Standard SQL, PostgreSQL, MySQL, BigQuery, T-SQL and SQLite — all in your browser.
Open tool →JSON ↔ CSV Converter
Turn a JSON array into clean CSV (or vice-versa). Pick a delimiter, flatten nested objects with dot-notation, toggle the header row.
Open tool →JSON ↔ YAML Converter
Round-trip between JSON and YAML in your browser — perfect for Kubernetes, GitHub Actions, Helm and CI configs.
Open tool →Markdown Table Generator
Edit a spreadsheet-style grid and get clean Markdown, HTML or AsciiDoc tables. Paste straight from Excel — we'll detect the cells.
Open tool →Gitignore Generator
Pick your stack, OS, and editor and get a clean, deduplicated .gitignore in a click.
Open tool →Cron Expression Generator & Explainer
Build cron expressions visually field-by-field, or paste an existing one to get a plain-English explanation and the next five run times.
Open tool →JSON to TypeScript / Go / Rust
Paste any JSON sample. Get clean TypeScript interfaces, Go structs, or Rust types with serde tags — fast, lightweight, and ready to paste into your code.
Open tool →JSON to JSON Schema Generator
Paste a JSON sample, get a JSON Schema (Draft 2020-12 or Draft 7) with auto-detected formats and a required field list.
Open tool →Color tools
Convert color formats and build CSS gradients with a live preview.
Color Converter
Convert between HEX, RGB, HSL, HSV and CMYK in real time. Pick a color or paste any value — every format updates as you type.
Open tool →CSS Gradient Generator
Build linear and radial gradients visually. Tweak stops and angle, copy ready-to-paste CSS.
Open tool →CSS Box Shadow Generator
Stack multiple shadow layers, tune offset, blur, spread, and alpha, copy the CSS or Tailwind class.
Open tool →CSS Clamp Generator (Fluid Typography)
Type-scale that grows with the viewport. Pick min and max font sizes, pick min and max screen widths — get a copy-paste clamp() rule with a live preview slider.
Open tool →CSS Easing & Cubic-Bezier Visualizer
Drag the SVG handles, type values, or pick from 30+ named curves. Live animation preview and copy-ready output for vanilla CSS, GSAP, and Framer Motion.
Open tool →Contrast Checker
Check WCAG contrast ratios between any two colors. See pass/fail badges for AA and AAA at normal and large text sizes, with a live preview.
Open tool →Color Blindness Simulator
Preview any color through eight color-vision deficiencies. See exactly what users with protanopia, deuteranopia, tritanopia, achromatopsia and their milder forms will perceive.
Open tool →Tint, Tone & Shade Generator
Generate ten lighter tints, ten darker shades, and ten gray-blended tones from any base color. Click a swatch to copy its hex.
Open tool →Color Harmony Generator
Generate complementary, analogous, triadic, tetradic, square, split-complementary, and monochromatic palettes from any base color, with copyable CSS variables.
Open tool →CSS Named Colors
Searchable reference for all 147 CSS named colors. Click any swatch to copy its name; sort by name, hue, or lightness.
Open tool →Color Mixer
Blend two colors at any ratio with linear-light interpolation. Optionally show 11 evenly spaced gradient stops between them.
Open tool →Color Palette Generator
Generate beautiful 5-color palettes that actually look good — curated seeds, smart harmony rules, lock and re-roll.
Open tool →Date & time
Convert timestamps and work with dates across time zones.
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and back. Seconds or milliseconds, ISO 8601, UTC, local — all in one place.
Open tool →Time Zone Converter
Convert any wall-clock time across the world's major time zones at a glance, with live UTC offsets and DST handled automatically.
Open tool →Workdays Counter
Count business days between two dates, skipping the weekend pattern of your choice and any custom holidays.
Open tool →Date Format Converter
Paste a date in any common format and get ISO 8601, RFC 2822, Unix, US, EU, SQL and more — instantly.
Open tool →Countdown Timer
Count down to any moment — a launch, a deadline, a holiday, the next weekend — with a live, second-by-second display.
Open tool →Stopwatch
A precise online stopwatch with millisecond resolution, lap times and keyboard shortcuts.
Open tool →Pomodoro Timer
Run the classic Pomodoro work-and-break cycle right in your browser, with custom durations and an audible alert.
Open tool →Duration Calculator
Add and subtract durations, or sum daily timecards (in/out times with breaks) to a running total.
Open tool →World Clock
See the current time in cities around the world side by side. Drag to reorder, switch between 12 and 24-hour format, and your list is remembered.
Open tool →Sunrise & Sunset Calculator
Compute sunrise, sunset, solar noon and the three twilight phases for any latitude, longitude and date. Everything runs in your browser.
Open tool →Moon Phase
Get the moon phase, illumination percentage and lunar age for any date, with an accurate moon disc rendered live.
Open tool →Web & marketing
Meta tags, WhatsApp links and helpers for shipping content online.
Meta Tag Generator
Generate SEO, Open Graph and Twitter Card meta tags for your page in one go. Live preview, ready to paste into your <head>.
Open tool →WhatsApp Link Generator
Build a wa.me click-to-chat link with a pre-filled message and a scannable QR code. No app, no signup.
Open tool →User-Agent String Parser
Decode any User-Agent string into browser, OS, device, engine and CPU. Includes ready-made strings for desktops, phones and crawlers.
Open tool →HTTP Status Code Reference
Search and learn the meaning, typical cause and use case of every common HTTP status code, with cURL/Python/JS/PHP snippets.
Open tool →UTM Link Builder
Build, preview, and shorten campaign-tracked URLs with proper UTM parameters. Saves presets in your browser, never on a server.
Open tool →URL Parser
Decompose any URL into protocol, host, port, path, query and fragment — with IDN punycode decoding and query-pair extraction. Runs entirely in your browser.
Open tool →Open Graph Preview
See how a link will look when shared on Facebook, LinkedIn, X/Twitter, WhatsApp and Slack — and copy a clean meta-tag snippet for your own pages.
Open tool →Mailto Link Builder
Generate <code>mailto:</code> links with To, Cc, Bcc, subject and body — properly URL-encoded so line breaks, accents and emoji survive every email client.
Open tool →HTML Entity Encoder & Decoder
Convert characters to and from HTML entities — named, decimal or hex, all special chars or only the unsafe five. Round-trip safe.
Open tool →JSON-LD Schema Builder
Build valid <code>application/ld+json</code> blocks for Article, Product, FAQPage, Recipe, Event, Organization and LocalBusiness — copy and paste into your <code><head></code>.
Open tool →Image Tools
Convert, compress, and inspect images entirely in your browser. Every transformation runs locally — your files never reach a server.
WebP ↔ PNG Converter
Convert PNG to WebP or WebP back to PNG. Batch-friendly, runs in your browser, no upload.
Open tool →SVG to PNG / JPG Converter
Rasterize SVG files at any resolution. Pick a scale, set a background, download a PNG or JPG.
Open tool →Image to PDF Converter
Combine multiple images into a single PDF. Drag to reorder, pick page size, and download — all in your browser.
Open tool →Color Palette Extractor
Drop an image and pull out its dominant colors with HEX, RGB, and HSL values, ready to copy.
Open tool →SVG Optimizer
Shrink SVG files in your browser. Strip metadata, collapse groups, round numeric precision, and optionally remove width/height for responsive scaling.
Open tool →HEIC to JPG Converter
Drop iPhone HEIC photos and get JPGs back — converted in your browser, never uploaded.
Open tool →EXIF Viewer & Metadata Cleaner
See every camera, lens, GPS and software field hidden inside a photo — and strip them in one click.
Open tool →Image Compressor
Squash JPG, PNG and WebP files smaller — visually identical, no upload.
Open tool →Favicon Generator
Drop a logo, get a complete favicon package — ICO, PNGs, Apple touch, PWA and an OG image, ready to ship.
Open tool →PDF Merge
Drop several PDFs, drag to reorder, hit Merge — one file out, no upload.
Open tool →PDF Split
Pull specific pages out of a PDF or split it into one file per page.
Open tool →Instagram Grid Splitter
Slice a wide banner into perfect Instagram tiles — numbered in posting order so the feed reads correctly.
Open tool →Image Resize
Custom dimensions or one-tap social presets. Output as PNG, JPG, or WebP — no upload.
Open tool →Video to GIF Converter
Trim a clip, pick FPS and width, and turn it into a smooth GIF — all in your browser.
Open tool →Video to MP3 / WAV / OGG Extractor
Pull the audio out of any video file — pick MP3, WAV, or OGG, set bitrate, optionally trim, and download.
Open tool →OCR — Image to Text Extractor
Drop an image and pull the text out of it — English, Portuguese, or Spanish — without uploading anywhere.
Open tool →Marketing
Free marketing utilities — UTM builders, CPM/CPC/ROAS calculators, headline scoring, SERP and Open Graph previews, A/B test significance.
CTR Calculator
Click-through rate from clicks and impressions, plus implied click cost.
Open tool →CPM, CPC and CPA Calculator
Convert between cost per thousand impressions, cost per click and cost per acquisition.
Open tool →ROAS Calculator
Return on ad spend, ROI, and reverse target spend.
Open tool →Conversion Rate Calculator
Single-step rate or full funnel breakdown across up to five stages.
Open tool →A/B Test Significance Calculator
Two-proportion z-test for split tests, with p-value, lift and confidence verdict.
Open tool →Headline Analyzer
Score a headline 0–100 on length, balance, power words and emotional pull.
Open tool →Google SERP Preview
See how your title, URL and meta description will look in Google search — desktop and mobile.
Open tool →Hashtag Counter
Count hashtags and check platform limits in one go.
Open tool →Engagement Rate Calculator
Engagement rate by followers, reach or impressions — with platform benchmarks.
Open tool →CAC vs LTV Calculator
Customer acquisition cost, lifetime value, the ratio between them, and payback period.
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