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AsKrs
Tools, calculators, and daily info
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Main tools, calculators, daily pages, and support links in one index.

Main pages

Jump into home, major category pages, the trends page, and the HTML sitemap.

  • Home

    Browse AsKrs by category: tools, calculators, daily references, blog guides, mini-games, widgets, trends, and Korea travel.

  • Free online tools

    Compress, convert, inspect, and clean files in the browser.

  • Calculators

    Get the number you need for money, dates, health, and planning.

  • Daily information

    Weather, exchange, gold, and daily reads for today.

  • Trending Searches by Country

    Compare the latest, 7-day, and 30-day trend rankings by country.

  • Sitemap

    An HTML index of all public pages.

Free online tools

Compress, convert, inspect, and clean files in the browser.

  • Image Compressor
    Compress JPG, PNG, and WebP images in your browser.
  • Image Resizer
    Resize images by width and height with aspect ratio control.
  • JPG to PNG Converter
    Convert JPG and JPEG files into clean PNG output.
  • PDF Merge
    Combine multiple PDF files into one ordered document and review the file order before downloading.
  • PDF Split
    Split a PDF by page ranges or individual pages.
  • QR Code Generator
    Generate QR codes for links, text, email, phone, or contact cards.
  • Base64 Encode and Decode
    Encode plain text to Base64 and decode it back safely.
  • JSON Formatter and Validator
    Pretty-print, minify, and validate JSON with parse error feedback.
  • URL Encode and Decode
    Encode and decode URL strings with safe error handling.
  • Time Zone Converter
    Convert the same date and time between major global time zones.
  • Unit Converter
    Convert length, weight, temperature, and data size from one page.
  • Length Converter
    Convert millimeters, centimeters, meters, inches, feet, and miles.
  • Weight Converter
    Convert grams, kilograms, pounds, ounces, and metric tons.
  • Temperature Converter
    Convert Celsius, Fahrenheit, and Kelvin with visible formulas so weather, cooking, science, and device specs stay comparable.
  • Data Size Converter
    Convert bytes, KB, MB, GB, and TB using binary units.
  • Password Generator
    Create random passwords with length and character-set controls.
  • UUID Generator
    Generate one or many UUID v4 values instantly in the browser.
  • Hash Generator
    Generate SHA-256, SHA-384, and SHA-512 hashes from text.
  • Base64 Image Converter
    Convert images to Base64 data URLs and restore Base64 strings back to images.
  • Text Case Converter
    Convert text to title case, sentence case, camelCase, snake_case, and more.
  • Word Counter
    Count words, characters, sentences, paragraphs, and reading time.
  • Character Counter
    Check character counts, space-free counts, lines, and supporting text metrics.
  • Remove Duplicate Lines
    Clean duplicate lines from multi-line text with trimming and case options.
  • Random Number Generator
    Generate random integers or decimals with count and duplicate controls.
  • Speed Converter
    Convert km/h, mph, m/s, knots, and related speed units in one place.
  • Area Converter
    Convert square meters, hectares, acres, and other area units instantly.
  • Volume Converter
    Convert liters, milliliters, cups, gallons, and other volume units.
  • Pressure Converter
    Convert bar, kPa, psi, atmosphere, and other pressure units.
  • Energy Converter
    Convert joules, calories, kilowatt-hours, watt-hours, and other energy units.
  • Fuel Economy Converter
    Compare km/L, L/100km, US mpg, and UK mpg from one page.
  • Angle Converter
    Convert degrees, radians, gradians, arcminutes, and arcseconds.
  • CSV to JSON Converter
    Turn header-based CSV data into formatted JSON arrays for APIs and imports.
  • JSON to CSV Converter
    Convert JSON objects or arrays into spreadsheet-ready CSV output.
  • Unix Timestamp Converter
    Convert Unix timestamps into readable dates and turn dates back into Unix seconds or milliseconds.
  • Image to JPG Converter
    Convert JPG, PNG, WebP, or GIF files into JPG output in one browser-based tool.
  • Image to PNG Converter
    Convert common image files into PNG output for editing and transparent-ready tasks.
  • Image to WebP Converter
    Turn common image files into WebP output for smaller web-friendly delivery.
  • Image to PDF Converter
    Turn one or more images into a single downloadable PDF document.
  • PDF Page Remover
    Remove selected pages from a PDF and save the remaining pages as a new file.
  • Favicon Generator
    Generate common favicon PNG sizes and a simple web manifest from one source image.
  • Text Diff Checker
    Compare two text blocks line by line and highlight added, removed, and matching lines.
  • Lotto Number Generator
    Generate 6-number lotto sets plus a bonus number for quick random picks.
  • Special Character Table
    Copy symbols, arrows, currency marks, and math characters fast.
  • HTML Entity Table
    Reference common HTML entities for quotes, arrows, spacing, marks, and typographic punctuation.
  • ASCII Code Table
    See printable ASCII rows and control codes with decimal and hexadecimal values.
  • Color Table
    Review reusable color swatches with hex values for UI, branding, and utility pages.
  • ASCII Art Generator
    Turn short text into banner-style ASCII art with a few classic FIGlet fonts.
  • GIF Generator
    Combine multiple still images into one animated GIF file with adjustable frame timing.
  • Barcode Generator
    Generate CODE128, EAN, and UPC barcodes as crisp SVG output.
  • Web Editor
    Edit HTML, CSS, and JavaScript in one live preview workspace.
  • SMI to SRT Converter
    Convert old SMI subtitle timing into modern SRT blocks from one text page.
  • Korean Keyboard Converter
    Fix text typed on the wrong Korean or English keyboard layout and recover the intended input.
  • Magic Eye Generator
    Generate a simple autostereogram-style image with hidden text.
  • Text to Speech
    Speak text aloud using the browser speech synthesis engine and available voices.
  • EML Viewer
    Open EML email files in the browser and inspect headers, plain text, HTML, and attachments.
  • Original URL Expander
    Follow shortened or redirecting links and reveal the final destination URL.
  • IP Lookup
    Check the current request IP address, forwarded information, and browser metadata.
  • Flashlight
    Toggle the device camera torch on supported mobile browsers.
  • Postcode Lookup
    Open a Korean postcode search flow and capture the selected road or jibun address.
  • Barcode Scanner
    Scan barcodes from an uploaded image with the browser BarcodeDetector API when supported.
  • File Checksum Lookup
    Calculate CRC32, SHA-256, SHA-384, and SHA-512 checksums for an uploaded file.
  • Speech to Text
    Capture microphone speech and turn it into live transcript text in the browser.
  • Image URL Generator
    Create object URLs and data URLs from an uploaded image file in one browser flow.
  • Code Formatter
    Apply lightweight formatting to JSON, HTML, CSS, and JavaScript snippets.
  • Code Minifier
    Minify JSON, HTML, CSS, and JavaScript snippets by stripping extra whitespace and noise.
  • Encoding Toolkit
    Encode and decode URL, Base64, HTML, and Unicode values from one tool.
  • Keyboard Event Viewer
    Inspect key values, key codes, and modifier states from live keyboard events.
  • HTML Source Viewer
    Fetch a page URL and inspect its raw HTML source, title, language, and extracted body text.
  • Text Encryption
    Encrypt or decrypt text with password-based AES-GCM directly in the browser.
  • RSS and Web Viewer
    Open an RSS feed or web page URL and preview feed items or extracted article text.
  • PDF Simple Edit and Sign
    Draw a signature and place it on a selected PDF page for a fast signed export.
  • PDF to JPG Converter
    Render PDF pages into JPG image files from the browser.
  • PDF to PNG Converter
    Render PDF pages into PNG image files for crisp previews and editing work.
  • PDF Page Half Splitter
    Split each PDF page into separate left and right half pages.
  • PDF Two-Up Combiner
    Place two PDF pages side by side on one output page.
  • PDF Margin Cropper
    Trim top, right, bottom, and left margins from every page in a PDF.
  • HEIC Viewer
    Open HEIC or HEIF images in the browser and convert them into viewable PNG output.
  • SVG Whitespace Remover
    Tighten the SVG viewBox around the actual artwork and remove extra canvas space.
  • Stamp Image Maker
    Generate a clean stamp-style PNG image with text, shape, and ink color controls.
  • Habit Tracker Maker
    Create a printable monthly habit tracker grid from your own list of routines.
  • Calendar Print
    Generate a clean printable month calendar with week-start controls.
  • Slug Generator
    Turn titles and phrases into clean URL slugs for SEO and publishing.
  • Line Sorter
    Sort multi-line text alphabetically or numerically in one click.
  • Line Reverser
    Reverse multi-line text order for keyword blocks, task lists, logs, and pasted rows without manually editing each line.
  • Whitespace Cleaner
    Trim extra spaces and blank lines from messy text blocks.
  • HTML Escape and Unescape
    Encode and decode HTML entities safely for code and content tasks.

Calculators

Get the number you need for money, dates, health, and planning.

  • Loan Calculator
    Estimate monthly payments, total repayment, and total interest.
  • BMI Calculator
    Calculate body mass index, read the standard classification, and understand why the result is only a screening estimate.
  • Date Calculator
    Measure date differences and add or subtract days.
  • Percentage Calculator
    Solve percent-of, increase or decrease, and comparison cases.
  • Currency Exchange Calculator
    Convert currencies with the latest available reference rate, update time, and a clear reminder that provider spreads can change the final payable amount.
  • Salary After-Tax Calculator
    Estimate net salary with Korea-first logic and a safe custom mode.
  • Car Loan Calculator
    Estimate the monthly car payment, financed amount, and total repayment pressure before comparing a vehicle quote or loan offer.
  • Stock Return Calculator
    Estimate gain or loss after quantity, fees, and tax assumptions.
  • Calorie Calculator
    Estimate maintenance calories and goal-based targets.
  • Age Calculator
    Calculate age in years, months, days, and total elapsed days.
  • Days Until Date Calculator
    See how many days, weeks, and months remain until a target date.
  • GPA Calculator
    Calculate weighted GPA on a 4.0 scale from course credits and grades.
  • Discount Calculator
    Calculate discount amount, coupon savings, tax, and final price.
  • Tip Calculator
    Calculate tip amount, total bill, and per-person split.

Daily information

Weather, exchange, gold, and daily reads for today.

  • Today's Weather
    Check local weather, short forecast, source timing, and saved-data status before deciding how to move today.
  • Today's Exchange Rate
    View major exchange rates with source date, update time, and cached-state details so the page does not look like unlabeled live market data.
  • Today's Gold Price
    Track the latest available gold spot estimate with ounce and gram views.
  • Today's Fortune
    Read a stable daily fortune with lucky color, time, and number.

Trending pages

Browse the latest, 7-day, and 30-day trend pages for each country.

PulseLock widgets

Web-to-app widget conversion pages for AsKrs data.

  • PulseLock widgets by AsKrs

    Save AsKrs daily info, market references, trends, travel ideas, calculator results, and small routines for PulseLock widgets and matching wallpapers.

  • Daily widgets

    Weather, exchange, gold, fortune, and quick daily reads in one mobile glance.

  • Market widgets

    Bring exchange rates, gold reference values, and country trends into one clean market widget.

  • Weather widgets

    Pin current conditions, feels-like temperature, and freshness details to the lock screen.

  • Exchange-rate widgets

    Pin a currency pair, timestamp, and conversion note to a compact widget.

  • Gold-price widgets

    Keep ounce, gram, and local-currency reference values visible.

  • Trend widgets

    Pin a country, period, and top keyword update to your home screen.

  • Travel widgets

    Turn Korea trip ideas, region picks, and travel tags into widgets and matching wallpapers.

  • Calculator-result widgets

    Pin a calculator result, assumptions, and next check to a mobile widget.

  • D-day widgets

    Pin a deadline, anniversary, or countdown result from AsKrs date pages.

  • QR wallpaper widgets

    Pair a QR code with a lock screen wallpaper theme.

  • Habit-tracker widgets

    Turn a simple AsKrs habit tracker into a theme-ready home screen widget.

  • Fortune widgets

    Turn the AsKrs daily fortune page into a soft lock screen ritual.

  • PulseLock Pro plans

    Compare planned Free, Plus, Pro, and Elite options for PulseLock by AsKrs, including premium widgets, AI credits, alerts, themes, and wallpaper export.

  • PulseLock premium themes

    Preview premium theme packs for lock screen widgets, home screen widgets, market cards, travel widgets, and no-watermark wallpaper exports.

  • PulseLock AI wallpaper

    Preview AI wallpaper concepts that can match AsKrs daily, market, trend, travel, QR, habit, calculator, and D-day widgets.

Support pages

Contact, privacy, sources, and fixes in one place.

  • Quick Starts

    Open the strongest starting pages for tools, calculations, today's information, and Korea trip ideas.

  • Pick the Right File Tool

    Compare merge, remove, convert, compress, and repackage tasks before opening a file.

  • BMI or Calorie?

    Split quick screening from intake planning before opening the wrong calculator.

  • Pick the Right Money Page

    Split take-home pay, loan pressure, monthly payment, and currency timing before you decide.

  • Pick the Right Daily Page

    Pick weather, exchange, or gold by the decision that can still change today.

  • Rate or Converter?

    Split timing questions from exact amount questions before you pay or book.

  • Korea Trip Picks

    Choose Korea trip starting points by season, budget, trip length, and mood.

  • Plan a Short Korea Trip

    Choose the right region first when the trip is short.

  • About AsKrs

    What AsKrs does and where to start.

  • AsKrs Services

    All main AsKrs pages in one place.

  • Sources and Updates

    Check source labels, freshness, saved data, and corrections.

  • Daily sources and update time

    See where daily pages get their numbers and when they were last updated.

  • Trend ranking data

    Check saved rankings, site search data, update time, and saved data.

  • Calculator limits

    Check formulas, assumptions, and result limits.

  • Travel Labels and Reports

    Check source labels, review flow, reports, and temporary hiding.

  • What Stays

    See what stays and what gets cut.

  • Corrections

    Report wrong pages, outdated data, or confusing wording.

  • Ads and sponsorship

    See how AsKrs separates advertising from editorial content and how sponsored placements behave when enabled.

  • Contact

    Send support or fix requests.

  • Privacy Policy

    Read how AsKrs stores language preferences, processes browser-side files, and uses third-party data providers.

  • Terms of Service

    Review the basic terms for using AsKrs tools, calculators, and daily information pages.

  • Disclaimer

    Important notices about informational content, calculator assumptions, and third-party market data.

  • Cookies and saved settings

    See how AsKrs remembers your language and a few basic browsing preferences.