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Browse every main tool, calculator, daily page, and support document from one index.

Primary hubs

Jump into home, major category hubs, the trends hub, and the HTML sitemap.

  • Home

    English-first online services for PDF tools, image converters, calculators, and daily market and weather updates in one multilingual portal.

  • Free online tools

    Image, PDF, encoding, and formatting tools built for quick work with clean output and local processing where possible.

  • Calculators

    Loan, finance, body, date, and planning calculators with transparent assumptions and useful result summaries.

  • Daily information

    Fresh daily weather, market rates, and a stable daily fortune experience with caching and graceful fallbacks.

  • Trending Keywords by Country

    Browse recently popular search keywords by country with stored snapshots, fallback-safe updates, and related AsKrs search interest.

  • Sitemap

    An HTML index of all public routes.

Free online tools

Image, PDF, encoding, and formatting tools built for quick work with clean output and local processing where possible.

  • 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 merged document.
  • 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 accurately.
  • 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 workflows.
  • 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
    Browse useful symbols, arrows, currency marks, and math characters with one-click copy actions.
  • 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
    Render PDF pages into JPG image files from the browser.
  • PDF to PNG
    Render PDF pages into PNG image files for crisp previews and editing handoff.
  • 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 the order of multi-line text instantly.
  • 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 workflows.

Calculators

Loan, finance, body, date, and planning calculators with transparent assumptions and useful result summaries.

Daily information

Fresh daily weather, market rates, and a stable daily fortune experience with caching and graceful fallbacks.

Trending pages

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

  • Trending Searches in South Korea

    Browse the latest stored trend snapshot for South Korea and compare it with internal AsKrs search interest.

  • South Korea 7 days

    Review the most frequently appearing stored trend keywords from South Korea over the last 7 days, alongside internal AsKrs search interest.

  • South Korea 30 days

    Review the most frequently appearing stored trend keywords from South Korea over the last 30 days, alongside internal AsKrs search interest.

  • Trending Searches in United States

    Browse the latest stored trend snapshot for United States and compare it with internal AsKrs search interest.

  • United States 7 days

    Review the most frequently appearing stored trend keywords from United States over the last 7 days, alongside internal AsKrs search interest.

  • United States 30 days

    Review the most frequently appearing stored trend keywords from United States over the last 30 days, alongside internal AsKrs search interest.

  • Trending Searches in Japan

    Browse the latest stored trend snapshot for Japan and compare it with internal AsKrs search interest.

  • Japan 7 days

    Review the most frequently appearing stored trend keywords from Japan over the last 7 days, alongside internal AsKrs search interest.

  • Japan 30 days

    Review the most frequently appearing stored trend keywords from Japan over the last 30 days, alongside internal AsKrs search interest.

  • Trending Searches in United Kingdom

    Browse the latest stored trend snapshot for United Kingdom and compare it with internal AsKrs search interest.

  • United Kingdom 7 days

    Review the most frequently appearing stored trend keywords from United Kingdom over the last 7 days, alongside internal AsKrs search interest.

  • United Kingdom 30 days

    Review the most frequently appearing stored trend keywords from United Kingdom over the last 30 days, alongside internal AsKrs search interest.

  • Trending Searches in Germany

    Browse the latest stored trend snapshot for Germany and compare it with internal AsKrs search interest.

  • Germany 7 days

    Review the most frequently appearing stored trend keywords from Germany over the last 7 days, alongside internal AsKrs search interest.

  • Germany 30 days

    Review the most frequently appearing stored trend keywords from Germany over the last 30 days, alongside internal AsKrs search interest.

  • Trending Searches in France

    Browse the latest stored trend snapshot for France and compare it with internal AsKrs search interest.

  • France 7 days

    Review the most frequently appearing stored trend keywords from France over the last 7 days, alongside internal AsKrs search interest.

  • France 30 days

    Review the most frequently appearing stored trend keywords from France over the last 30 days, alongside internal AsKrs search interest.

  • Trending Searches in Canada

    Browse the latest stored trend snapshot for Canada and compare it with internal AsKrs search interest.

  • Canada 7 days

    Review the most frequently appearing stored trend keywords from Canada over the last 7 days, alongside internal AsKrs search interest.

  • Canada 30 days

    Review the most frequently appearing stored trend keywords from Canada over the last 30 days, alongside internal AsKrs search interest.

  • Trending Searches in Australia

    Browse the latest stored trend snapshot for Australia and compare it with internal AsKrs search interest.

  • Australia 7 days

    Review the most frequently appearing stored trend keywords from Australia over the last 7 days, alongside internal AsKrs search interest.

  • Australia 30 days

    Review the most frequently appearing stored trend keywords from Australia over the last 30 days, alongside internal AsKrs search interest.

Support and information pages

All policy, contact, and support pages in one place.

  • About AsKrs

    Learn what AsKrs offers, how the site is maintained, and what kind of tools and daily data you can expect.

  • AsKrs Services

    Browse every AsKrs service in one directory, including free online PDF tools, image converters, developer utilities, calculators, and daily information pages.

  • Contact

    Get in touch for support, feature requests, bug reports, partnership questions, or content corrections.

  • 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.

  • Cookie and Preference Notice

    See how AsKrs remembers language choices and uses small client-side caches to improve repeat visits.