Free Online Tools for Everyday Work

Focus timer with 25-min work intervals, short and long breaks, session counter.

Date difference, add/subtract days, age calculator and countdown to any date.

View any month in Gregorian, Chinese Lunar (农历), and Islamic Hijri calendars. Click any day for a full date comparison.

Precise stopwatch with lap times and countdown timer with alarm. Accurate to centiseconds.

Convert times between any two time zones. World clock for 40+ cities. Essential for remote teams.

Generate secure random passwords with custom length and character options.

Generate QR codes for URLs, text, WiFi, vCard. Download as PNG.

Generate UUID v4 and v7 identifiers — single or bulk, with one-click copy.

Generate random integers or decimals in any range. Bulk generation, no duplicates option.

Generate Lorem Ipsum placeholder text by paragraphs, sentences, or words. Classic or random start.

Generate realistic test data — names, emails, phones, addresses and more. Download CSV or JSON.

Animated spinning wheel to randomly pick a winner from your list. Remove or keep winners.

Count words, characters, sentences, reading time and keyword density live.

Live split-pane Markdown editor with HTML preview, toolbar and export.

Side-by-side diff of two text blocks with color-highlighted additions and deletions.

Measure WPM and accuracy with real-time error tracking and grade rating.

Convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case, kebab-case and more — instantly.

Quick auto-saving scratch pad. Up to 5 named notes stored in your browser — no login, no account needed.

Encode and decode text or files to/from Base64 instantly.

Percent-encode and decode URLs with before/after diff view.

Convert Unix timestamps to human-readable dates and vice versa. Live current timestamp.

Generate SHA-1/256/384/512 and HMAC hashes from text or files. 100% local.

Encode & decode HTML entities (&, <, >). Converts special characters for safe HTML output.

Decode JSON Web Tokens instantly — view header, payload, expiry and claims. Token stays in your browser.

Convert between binary, octal, decimal, and hexadecimal. Shows bit-length and signed/unsigned ranges.

What is X% of Y? X is what % of Y? Percentage change between two values.

Find missing width or height given a ratio. Common presets included.

Convert length, weight, temperature, volume, area, speed and data units. Metric and imperial. All results shown at once.

Monthly payment, total interest, and amortization schedule for mortgages, car loans, and personal loans.

Calculate tip and split the bill among friends. Quick buttons for 10%–25% tip. Per-person total shown instantly.

Convert any number to English words — for checks, invoices, and legal documents. Supports up to quadrillions.

Validate, format, minify JSON with syntax highlighting and interactive tree view.

Convert between CSV and JSON with table preview, file upload and download.

Parse cron expressions into plain English. Shows next 10 scheduled run times.

Test regular expressions with live match highlighting, capture groups, and g/i/m/s flag toggles.

Beautify and minify SQL queries. Uppercase keywords, configurable indent, comma style. Runs locally.

Convert HEX, RGB, HSL, HSV, CMYK with live preview, shades generator and named colors.

Browse and copy special characters, symbols, arrows, math, currency, Greek, and emoji. Click to copy.

Add gradient backgrounds, padding, shadows and rounded corners to screenshots. Download PNG.

Check WCAG AA/AAA contrast ratios for foreground/background color pairs with live preview.

Upload an image to extract its dominant color palette as HEX swatches and CSS variables.

Convert 40+ currencies with live exchange rates, popular pairs and quick convert table.

Show your public IP, ISP, country, city, coordinates and IPv6 support status.

Look up any IPv4, IPv6 or domain — country, city, ISP, ASN, coordinates, VPN/proxy detection and map.

Build UTM-tagged URLs for Google Analytics campaign tracking with history and QR.

Decode a Certificate Signing Request — subject, key size, SANs, signature algorithm, fingerprints. Fully local.

Convert HEIC/HEIF (iPhone) to JPG or PNG, compress images with quality slider, and resize with aspect-ratio lock.

Merge multiple PDFs, extract page ranges, split into individual files, or reorder pages with drag-and-drop thumbnails.

Extract text from any PDF. Browse per-page, copy to clipboard, or download as .txt or Word .docx file.

Create short, shareable links with optional custom alias and configurable expiry (1 day to forever).

Share text and code snippets via private link. Choose syntax, expiry, and burn-after-read for one-time viewing.

Upload compressed archives (.zip .tar .rar) up to 1 GB and share a download link — auto-deleted after up to 7 days.