TIER1公開中
Image Format Converter
Free online image converter that transforms between JPG, PNG, WebP, and other formats instantly — no signup, no upload to server, works in your browser.
Now Showing
Premium Video Billboard
21:9 Cinema Format — Highest CPM Placement
Global-first utility platform
ファイル作業、クリエイター作業、開発作業をすばやく処理する多言語ツール
PDF、画像、計算、開発者向けタスクを、検索に強く再利用しやすい体験で素早く解決します。
対応する処理はブラウザ優先。インストール不要で、プライバシー方針も明確です。
PDF MergePDF SplitImage Format ConverterImage CompressorVideo to GIFYouTube Thumbnail DownloaderQR Code GeneratorSpecial-Purpose CalculatorsRandom PickerUnit ConverterZIP ToolD-day CalculatorJSON FormatterColor PickerPassword GeneratorBase64 Encoder / DecoderLorem Ipsum GeneratorRegex TesterHash GeneratorMarkdown PreviewImage ResizerBackground RemoverPDF to JPGText to SpeechVideo to MP3Screen RecorderImage to Text (OCR)
数秒で最適なツールを開く
混雑したユーティリティページを探し回らず、公開中のツールをすぐ見つけられます。
PDF Merge
Free online PDF merger that combines multiple PDFs into one document instantly — no signup required, works entirely in your browser.
PDF Split
Free online PDF splitter that extracts pages or splits PDFs into smaller files — no signup, no upload, works in your browser.
Image Format Converter
Free online image converter that transforms between JPG, PNG, WebP, and other formats instantly — no signup, no upload to server, works in your browser.
Image Compressor
Free online image compressor that reduces file size up to 90% while preserving quality — supports batch processing, no upload to server.
Video to GIF
Free online video to GIF converter that turns clips into lightweight animated GIFs — no signup, no upload, works in your browser.
YouTube Thumbnail Downloader
Free online YouTube thumbnail downloader that extracts all available thumbnail sizes from any video URL — no signup, works instantly in your browser.
最近使ったツール
最近使ったツールがここに表示され、すぐに再訪できます。
Launch focus
Image Format Converter
liveFree online image converter that transforms between JPG, PNG, WebP, and other formats instantly — no signup, no upload to server, works in your browser.
Image Compressor
liveFree online image compressor that reduces file size up to 90% while preserving quality — supports batch processing, no upload to server.
YouTube Thumbnail Downloader
liveFree online YouTube thumbnail downloader that extracts all available thumbnail sizes from any video URL — no signup, works instantly in your browser.
QR Code Generator
liveFree online QR code generator that creates QR codes for URLs, text, Wi-Fi, contacts, and more — no signup, no tracking, works in your browser.
Random Picker
liveFree online random name picker that selects winners, names, or items from any list — no signup, fair and instant, works in your browser.
in-article ad
Home page discovery ad
Viewability: 70-80%
MVP
注目のツール
The first release focuses on tools that are globally useful, lightweight to run, and strong for search-driven growth.
TIER1公開中
Image Compressor
Free online image compressor that reduces file size up to 90% while preserving quality — supports batch processing, no upload to server.
TIER1公開中
YouTube Thumbnail Downloader
Free online YouTube thumbnail downloader that extracts all available thumbnail sizes from any video URL — no signup, works instantly in your browser.
TIER1公開中
QR Code Generator
Free online QR code generator that creates QR codes for URLs, text, Wi-Fi, contacts, and more — no signup, no tracking, works in your browser.
TIER2公開中
Random Picker
Free online random name picker that selects winners, names, or items from any list — no signup, fair and instant, works in your browser.
TIER2公開中
Unit Converter
Free online unit converter for length, weight, temperature, volume, and more — no signup, instant results, works in your browser.
TIER2公開中
D-day Calculator
Free online date calculator that counts the days until or since any date — no signup, instant results, works in your browser.
TIER1公開中
JSON Formatter
Free online JSON formatter that validates, beautifies, and minifies JSON instantly — no signup, no data sent to server, works in your browser.
Structure
カテゴリ
The information architecture is organized around user intent, not internal implementation complexity.
4 tools
ドキュメント
Structured for strong internal linking, multilingual SEO, and clear mental grouping.
4 tools
画像
Structured for strong internal linking, multilingual SEO, and clear mental grouping.
7 tools
クリエイターツール
Structured for strong internal linking, multilingual SEO, and clear mental grouping.
4 tools
計算ツール
Structured for strong internal linking, multilingual SEO, and clear mental grouping.
8 tools
開発者ツール
Structured for strong internal linking, multilingual SEO, and clear mental grouping.
Trust promises
ユーザーが繰り返し不満を感じる点を直すために設計されています
基本利用は登録不要
作業後の誘導課金なし
可能な処理はブラウザ優先
モバイルでも素早い操作
Advantage
選ばれる理由
The strategy is to win through specific page quality, stronger usability, and cleaner trust signals instead of trying to out-feature every incumbent.
Compete page by page
The product is designed to beat bigger competitors on clarity, speed, and trust for specific task pages rather than copying their entire platform.
Browser-first execution
The first wave focuses on low-friction tools that feel instant and trustworthy on both desktop and mobile.
Search-shaped UX
Every page is structured so the tool sits above the fold, while SEO and AI-search context live below the interactive area.
Multilingual growth
The same product shell can scale across major languages without losing structure, trust, or conversion discipline.
Monetization
Ad-supported structure
This product should stay free to use. Revenue comes from ad-safe placements around discovery and post-task attention, not from locking the utilities.
Ad-supported and free
The product stays free by monetizing attention after the main task path, not by blocking the tool itself.
No subscription wall
No forced checkout
No bait free trial
Task-first monetization
High-intent traffic loops
Revenue grows when acquisition pages solve jobs well enough that users keep browsing adjacent utility clusters.
Featured tools
Category clusters
Recent tools
Related tool navigation
Reliable utility quality
The business works only if users trust the tools enough to return, recommend them, and complete more sessions.
Fewer errors
Clear outputs
Mobile-first flow
Faster result visibility
multiplex ad
Home page multiplex ad
Viewability: 35-50%