Favicon Generator
Create standard favicon sizes and download them as one ZIP.
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Image Compression Tool
Reduce an image file size locally and save a JPG copy.
Image to WebP Converter
Convert an image to WebP locally and choose the quality.
Square Image Cropper
Frame an image as a square with local zoom and position controls.
SVG to PNG Converter
Convert an SVG to a precisely sized PNG without uploading it.
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PDF Tools
Merge, rotate, extract, and optimize PDF files in your browser.
Images to PDF
Combine JPG and PNG images into one PDF without uploading your files.
PDF Rotate
Rotate all pages or selected pages in a PDF directly in the browser.
PDF Compress
Optimize PDF file size by compressing its internal structure in the browser.
PDF Page Size Checker
Check every page's dimensions and orientation before printing or sharing.
PDF Metadata Cleaner
Remove document properties locally before sharing a PDF.
PDF to Images
Export PDF pages as PNG or JPG images without uploading the file.
Text Tools
Count, convert, and clean up text for everyday editing work.
Explain Comic
Turn source screenshots into a coherent explanatory comic and shareable post copy.
Social Post Character Counter
Check a short post against the standard X limit or a custom character limit before publishing.
Markdown Presenter
Turn Markdown into slides with speaker notes and automatic layouts.
Markdown Table of Contents
Create a linked table of contents from headings.
Character Counter
Quickly check characters, lines, and words in your text directly in the browser.
Markdown Link Extractor
Collect Markdown links and URLs into a clean list.
Half-width / Full-width Converter
Convert between half-width and full-width text for Japanese copy cleanup.
Kana Converter
Convert between hiragana and katakana instantly in your browser.
Line Sort + Dedupe
Sort multiple lines and remove duplicates in one browser-side step.
Line Extract
Filter multiline text to keep only the lines you need.
HTML Tag Removal
Strip HTML tags and turn pasted markup into plain text in your browser.
Newline Removal
Flatten multiline text by removing line breaks or replacing them with spaces.
Line Replace
Find and replace text, including multiline patterns, directly in your browser.
Case Converter
Convert text to lowercase, camelCase, snake_case, kebab-case, and more.
Developer Tools
Small technical utilities for validation, formatting, and debugging.
URL Query Viewer
Inspect URL parameters in a clear browser-based list.
Color Contrast Checker
Check text and background readability instantly.
Color Palette Generator
Create coordinated colors from one base color.
Markdown Table Generator
Turn pasted rows into a Markdown table.
Hash Generator
Create a checksum from text locally.
Slug Generator
Create a clean URL slug from a title.
Text Diff Checker
See changed lines between two drafts.
JSON to TypeScript
Generate a TypeScript type definition from JSON in your browser.
Regex Tester
Test regular expressions against sample text in your browser.
ISBN Checker
Validate ISBN-10 and ISBN-13 check digits locally.
CSV ⇄ JSON Converter
Convert table data between CSV and JSON directly in your browser.
Base64 Encode / Decode
Convert text to Base64 or decode it back in your browser.
URL Encode / Decode
Encode query values or decode encoded URL text directly in your browser.
HTML Escape / Unescape
Convert special characters to HTML entities or decode them back to text.
UUID Generator
Generate one or many random UUID v4 values directly in your browser.
UUID Version Check
Validate a UUID string and show which version it uses.
UUID Timestamp Extract
Read embedded timestamps from UUID v1, v6, and v7 values.
SQL IN Clause Builder
Turn lists of values into SQL IN clause format in your browser.
Color Converter
Convert HEX, RGB, and HSL values and preview the color instantly.
PDF to Web
Turn a PDF brief or wireframe into editable HTML, CSS, and JavaScript with AI.
Utility Tools
Simple helpers for common tasks like QR code creation.
Image Contact Sheet
Arrange multiple images into a clean grid and download one shareable sheet.
Age Calculator
Calculate an exact age in years, months, days, and total days.
Add Image Padding
Add breathing room around an image for profiles, posts, and layouts.
Heart & Star Image Cropper
Create heart or star-shaped PNGs for profiles and posts.
Remove Image Metadata
Create a cleaner image copy before sharing.
Image Palette Extractor
Extract representative colors from an image locally and copy their hex codes.
Aspect Ratio Calculator
Resize image dimensions without changing the ratio.
Image Print Size Calculator
Estimate a photo's print size from pixels and DPI.
Time Zone Converter
Check the same time in another city.
BMI Calculator
Calculate BMI from height and weight without sending measurements anywhere.
Variable Rate Loan Simulator
Compare repayment changes when an interest rate moves.
Entropy Dice
Roll a precision case of D6 dice and create a secure random value locally.
QR Code Generator
Turn text or URLs into a downloadable QR code without leaving the browser.
Batch QR Code Generator
Generate multiple QR codes from line-separated URLs or text and download them together as a zip.
Image Placeholder Generator
Create a custom-size placeholder image and download it as SVG.
Vertical Text Generator
Set short text vertically, preview it, and save it as a PNG in your browser.
Image Resize
Resize one image into multiple target sizes and download everything as a zip.
Trip Expense Splitter
Split shared travel costs fairly and see who should pay or receive the difference.
Date Difference & Offset Calculator
Calculate days between two dates or find dates before and after a chosen day.
Discount & Sale Price Calculator
Calculate savings, tax, and the final price for a sale item.
Circular Image Cropper
Crop an image into a round transparent PNG in your browser.
Text To Speech ZIP
Split text by blank lines, generate one MP3 per block, and download the result as a ZIP.
Ambient BGM Generator
Generate soft browser-based ambient background music with Focus, Relax, and Sleep modes.
Audio Search
Search inside MP3 and MP4 files and jump to the matching moment.
Presentation Recorder TakeDASAN
Take your desktop, audio, slides and narration.
Demo & Tutorial Recorder
Record product demos with a clearer cursor and focused zoom in your browser.
Emergency Stock Calculator
Estimate household water, meals, and emergency toilet supplies without sending your numbers anywhere.
Image Privacy Redactor
Hide faces, names, and private details locally before sharing an image.
SVG to PNG Converter
Convert an SVG to a precisely sized PNG without uploading it.
Favicon Generator
Create standard favicon sizes and download them as one ZIP.
Image Compression Tool
Reduce an image file size locally and save a JPG copy.
Square Image Cropper
Frame an image as a square with local zoom and position controls.
Image to WebP Converter
Convert an image to WebP locally and choose the quality.
Print Bleed Calculator
Calculate the artwork size and safe area for a print design.
Frequency Generator
Play a pure tone at a selected frequency directly in your browser.
Ultrasonic Generator
Attempt very high-frequency playback with a required safety acknowledgement.
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