Online tools

Compress images, create QR codes, convert text and use clocks and countdown timers.

Everyday essentials

Image conversion

Convert JPG, PNG, WebP, AVIF, GIF, BMP or SVG images to JPG, PNG or WebP.

Taiwan time

Current time in Taiwan, UTC+8. Full-screen display and themes.

Current time

Show the current time in your device time zone, with full screen and theme controls.

Compress image to KB or MB

Choose a target file size or set compression quality.

QR code generator

Turn text or a URL into a downloadable QR code.

Chinese script converter

Convert Simplified and Traditional Chinese, with optional Taiwan vocabulary.

Images

Resize images

Set pixel dimensions, with optional aspect lock.

Crop an image

Crop an image by aspect ratio and position.

Color picker

Pick colors from an image or screen; copy HEX, RGB and HSL.

JPG to PNG

Convert JPG to PNG, keeping the original pixel dimensions.

JPG to WebP

Convert JPG to WebP, keeping the original pixel dimensions.

PNG to JPG

Convert PNG to JPG and choose a background for transparent pixels.

PNG to WebP

Convert PNG to WebP, keeping the original pixel dimensions.

WebP to JPG

Convert WebP to JPG and choose a background for transparent pixels.

WebP to PNG

Convert WebP to PNG, keeping the original pixel dimensions.

GIF to JPG

Convert the first frame of a GIF to a JPG image.

GIF to PNG

Convert the first frame of a GIF to a PNG image.

GIF to WebP

Convert the first frame of a GIF to a WebP image.

BMP to JPG

Convert BMP to JPG and choose a background for transparent pixels.

BMP to PNG

Convert BMP to PNG, keeping the original pixel dimensions.

BMP to WebP

Convert BMP to WebP, keeping the original pixel dimensions.

AVIF to JPG

Convert AVIF to JPG and choose a background for transparent pixels.

AVIF to PNG

Convert AVIF to PNG, keeping the original pixel dimensions.

AVIF to WebP

Convert AVIF to WebP, keeping the original pixel dimensions.

SVG to JPG

Convert SVG to JPG and choose a background for transparent pixels.

SVG to PNG

Convert SVG to PNG, keeping the original pixel dimensions.

SVG to WebP

Convert SVG to WebP, keeping the original pixel dimensions.

PDF

Image to PDF converter

Choose images, reorder them, and create one PDF.

JPG to PDF

Combine multiple JPG images into one PDF. Reorder and rotate pages; preserve originals by default.

PNG to PDF

Combine multiple PNG images into one PDF. Reorder and rotate pages; preserve originals by default.

WebP to PDF

Combine multiple WebP images into one PDF. Reorder and rotate pages; preserve originals by default.

Text

Word counter

Count characters, words, lines and reading time.

Change text case

Convert text to upper, lower or title case.

Remove duplicate lines

Keep unique lines in their original order.

Sort lines

Sort text alphabetically or numerically.

Compare text

Find added and removed lines in two texts.

Text to handwriting converter

Choose paper, font and ink; export PNG or PDF.

Emoji

Find and copy common emoji.

Time

Stopwatch

Time, record laps and pause.

Countdown

Set a duration or count down to a date and time.

Live schedule

Customize a daily schedule.

World clock

Check local times around the world.

UTC time now

Check Coordinated Universal Time, UTC.

India time now (IST)

Current Indian Standard Time, IST, UTC+5:30.

Time zone converter

Convert dates and times between zones, including daylight saving.

Developer

JSON formatter

Format, minify and validate JSON.

Base64 encoder / decoder

Convert text to Base64 and back, including Unicode.

URL encoder / decoder

Encode and decode special URL characters.

Hash generator

Calculate SHA-256, SHA-384 and SHA-512.

UUID generator

Generate random UUID v4 values in batches.

Password generator

Choose length and characters. Secure random values.

Timestamp converter

Convert Unix seconds, milliseconds and dates.

Color converter

Convert HEX, RGB and HSL color values.

MD5 hash generator & checker

Generate MD5 or compare your own candidate texts.

Calculators

Number base converter

Convert binary, octal, decimal and hex integers.

Unit converter

Convert length, mass, temperature and data sizes.

Percentage calculator

Calculate portions, percentages and changes.

Subnet calculator

Find an IPv4 network, mask and usable host range.

Chatbot ROI calculator

Estimate net savings from labor time, automation rate and costs.

Markdown

PDF to Markdown

Convert selectable text to Markdown, without reconstructing complex layouts.

CSV to Markdown

Convert CSV tables, including quoted fields and multiline values.

JSON to Markdown

Convert arrays to tables and nested objects to structured lists.

DOCX to Markdown

Extract headings, emphasis, links, lists and tables from DOCX.

RTF to Markdown

Extract basic RTF text and paragraphs, including Unicode.

HTML to Markdown

Convert headings, links, tables and code without executing scripts.

Paste to Markdown

Paste rich text or plain text and convert it to Markdown.

XML to Markdown

Render XML nodes, attributes and text as a nested list.

SEO & websites

Sitemap validator

Check XML structure, URLs, dates, duplicates and protocol limits.

XML sitemap generator

Build an XML sitemap from a URL list or a bounded site crawl.

Sitemap URL extractor

Extract URLs from XML, with optional child sitemap traversal.

Compare sitemaps

Compare two sitemaps for added, removed and unchanged URLs.

Split / merge sitemaps

Combine sitemaps or split them into batches while keeping entry metadata.

Sitemap analytics

Inspect URL depth, domains, path groups and file types.

Sitemap index generator

Combine sitemap locations into an XML sitemap index.

robots.txt generator

Set allow and disallow paths and add sitemap locations.

Sitemap frequency analyzer

Summarize changefreq, priority and lastmod values.

Website URL extractor

Extract links from HTML or a public site with a bounded crawl.

Links & email

Email signature generator

Create an HTML email signature from your contact details.

Writing & AI

Prompt builder

Structure instructions with APE, RACE, CREATE or SPARK.

Prompt optimizer

Organize prompt structure locally, or request an AI rewrite.