すべてのファイルツール。
ブラウザで直接 完結。
ファイルを誰にも送らずに圧縮・変換・編集。無料、アカウント不要、制限なし。
画像
画像を圧縮
JPG・PNG・WebPのファイルサイズを画質を保ちながら削減。
画像を変換
JPG・PNG・WebP・AVIF — 数秒でフォーマット変換。
HEICをJPGに変換
iPhoneの写真をどのデバイスでも開けるよう変換。
背景を削除
ワンクリックで透明背景。アップロード不要。
QRコードを生成
テキストやリンクからSVG・PNG形式でQR作成。
Remove EXIF
Strip GPS, dates and hidden data from photos — zero quality loss.
Image to SVG vector
Turn JPG or PNG into vector SVG — perfect for logos, drawings and icons.
SVG optimizer
Make your SVGs lighter without changing the drawing — safe cleanup, with proof of the savings.
AI image upscalerベータ
Upscale photos 2x or 4x with AI, right in your browser — compare before and after.
Favicon generator
Turn any image into favicon.ico and PNG icons with the code ready for your site.
Placeholder image
Generate filler images at the exact size, with color and text, as PNG, JPG or SVG.
Watermark photos
Apply text or a logo to up to 30 photos at once, with adjustable position, opacity and size.
Carousel splitter
Cut one image into 2 to 10 equal slices for an Instagram carousel, numbered and zipped.
Social media crop
Crop photos to the exact size for Instagram, Story, Facebook, X, LinkedIn and YouTube.
PDF・文書
PDFを結合
複数のPDFを好きな順番で1つにまとめる。
PDFを分割
ページや範囲を指定して個別ファイルに抽出。
PDFを回転
傾いたページを修正 — 個別または一括で。
Compress PDF
Shrink a heavy PDF to fit any attachment limit.
Image to PDF
Turn JPG, PNG and WebP photos into a single PDF, in any order.
PDF to image
Convert each PDF page to JPG or PNG, ready to use.
Extract text (OCR)
Pull the text out of photos and scanned PDFs — editable, ready to copy or download.
PDF booklet maker
Turn any PDF into a booklet ready to print double-sided and fold in half.
書類・署名
Email signature
Build a professional HTML signature and paste it into Gmail or Outlook — photo and socials included.
Receipt generator
Payment receipt PDF, with the amount in words and an optional 2nd copy.
Declaration generator
Generic, attendance, address or service declaration as a PDF.
Freelance contract
Service contract as a PDF, with editable clauses and a legal notice.
動画・音声
動画を変換
MP4・WebM・MOV — クラウドなしでブラウザ内変換。
音声を変換
動画からMP3を抽出、またはWAV・M4Aを変換。
Trim video
Mark start and end and keep just the part that matters — no re-encoding, the cut is instant.
Trim audio
Mark start and end and keep just the part of the song or recording you want.
Compress video
Make your video light enough to send on WhatsApp — three levels, honest numbers.
Video to GIF
Turn up to 30 seconds of video into a GIF ready to drop in any chat.
Extract audio
Pull the sound out of a video and take a 192 kbps MP3 — one click and done.
テキスト
Character counter
Characters, words and whether your text fits Instagram, X or LinkedIn.
Text diff checker
See what changed between two texts, line by line, in green and red.
Case converter
UPPERCASE, lowercase, Title, sentence, aLtErNaTiNg or reversed — one click.
Lorem ipsum generator
Filler text in paragraphs, sentences or words, with HTML ready to paste.
Scratch pad
Paste, type and close the tab — the text stays saved in this browser.
色・デザイン
Color converter
HEX, RGB, HSL and OKLCH — type one format, copy the others.
WCAG contrast checker
Test text against background and see if it passes AA and AAA.
Palette generator
One color becomes five harmonies ready to copy.
Image palette
Drop a photo and take the 8 dominant colors as hex.
CSS gradient maker
Build the gradient, preview it live and copy the CSS.
Color blindness simulator
See your image as someone with protanopia, deuteranopia or tritanopia.
Tailwind scale
One color becomes the 50–950 scale with config and CSS ready.
Eyedropper
Click any pixel in the image and take the color as HEX, RGB and HSL.
開発
Regex tester
Test regular expressions live, with highlighted matches and captured groups.
px ↔ rem converter
Convert pixels to rem (and back) with the base your CSS uses.
Password generator
Strong passwords with cryptographic randomness — nothing stored or sent.
Text & file hash
MD5, SHA-1, SHA-256, SHA-384 and SHA-512 of text or files up to 100 MB.
Base64 & URL encode
Encode and decode Base64 and URL escaping live, no mystery.
JSON formatter
Format or minify JSON and find the syntax error with its line.
CSV ↔ JSON converter
CSV becomes JSON and JSON becomes CSV, with a preview and auto-detected separator.
Barcode generator
CODE128, EAN-13, UPC, CODE39 or ITF as SVG and PNG, with check digit validation.
Meta tag generator
Title, description, canonical, Open Graph and Twitter Cards with a share preview.
計算機
Percentage calculator
Discounts, increases, change and X% of Y — instant answers.
Rule of three
Enter three values and get X instantly — with the math written out.
Unit converter
Kilometers, miles, pounds, °F, hectares — convert everything instantly, no formulas.
Work hours calculator
Clock-in, lunch and clock-out — adds up the day or the whole week, in hours and in pay.
Number base converter
Binary, octal, decimal and hexadecimal — type in one base, read the other three, copy in one click.
Compound interest
Principal, monthly deposit and rate — watch the balance grow month by month, with totals.