Dein tägliches Toolkit für PDF-, Bild- & JSON-Dateien
Kostenlose, schnelle und private Online-Tools für PDFs, Bilder, JSON, Text und tägliche Berechnungen. Alles läuft direkt im Browser.
PDF-Tools
PDF zusammenführen
Combine multiple PDF files into one document online, free. Drag to reorder before merging.
PDF teilen
Split a PDF by page range, extract specific pages, or divide into equal parts, free online.
Seiten organisieren
Drag and drop to reorder PDF pages. Delete unwanted pages with one click, free online.
PDF drehen
Rotate PDF pages 90, 180 or 270 degrees, individual pages or all at once, free online.
Seiten löschen
Select and permanently remove unwanted pages from your PDF file, free and online.
PDF-Seiten umkehren
Reverse the page order of a PDF online, free. Runs entirely in your browser.
PDF vergleichen
Compare the text of two PDFs and see what changed online, free. Runs in your browser.
PDF bearbeiten
Add text, images, shapes and freehand drawings directly on your PDF pages online, free.
PDF signieren
Draw, type or upload your signature and place it anywhere on a PDF page, free online.
Wasserzeichen zu PDF
Stamp a text or image watermark on your PDF with custom opacity and position, free online.
Seitenzahlen zu PDF
Add page numbers to the header or footer of your PDF with full style control, free online.
PDF zuschneiden
Draw a crop rectangle to trim PDF pages, apply to one page or the whole document, free.
PDF reduzieren
Flatten form fields and annotations into an uneditable PDF online, free. Works in your browser.
Bild in PDF
Convert JPG and PNG images into a single PDF document online. Reorder before converting.
PDF in Word
Convert PDF to an editable Microsoft Word .docx document online, free, no sign-up needed.
Word in PDF
Convert .docx or .doc Word files to PDF format online, free, no sign-up needed.
PDF in Bilder
Export every page of a PDF as a PNG image, bundled in a downloadable ZIP file, free online.
Bilder aus PDF extrahieren
Extract all embedded images from a PDF and download them as a ZIP archive, free online.
PDF in Text
Extract selectable text from a PDF online, free. Copy or download as .txt, all in your browser.
Bild-Tools
Bild skalieren
Resize images to exact pixel dimensions online, free. Lock aspect ratio or set custom width and height.
Bild zuschneiden
Crop images online for free. Draw a selection rectangle to crop to any size instantly.
Bild drehen & spiegeln
Rotate images 90, 180, 270 degrees or flip horizontally and vertically online, free.
Wasserzeichen auf Bild
Add a custom text watermark to your image online, free. Control position, opacity, size and color.
Bildfilter
Apply image filters online, free. Grayscale, sepia, warm, cool and more, adjust brightness, contrast and saturation.
Fotoeditor
Free online photo editor. Add text, stickers, emojis and frames. Create collages and social media posts for Instagram, Stories and more.
Meme-Generator
Add top and bottom text to an image and download the meme.
Farbpaletten-Extraktor
Extract the dominant colors from any image to build a palette.
EXIF-Daten anzeigen
View the camera, date and GPS metadata inside your photos.
Social-Media-Bildgröße
Resize images to exact sizes for Instagram, YouTube, Twitter and more.
Bild konvertieren
Convert images between JPG, PNG and WebP formats online, free. No upload needed, runs in your browser.
Bild zu Base64
Convert any image to Base64 encoded string online, free. Output as raw Base64, Data URL, CSS background or HTML img tag.
Base64 zu Bild
Convert Base64 string or Data URL back to an image file online, free. Download as PNG, JPG or WebP.
JSON-Tools
Text
Wortzähler
Count words, characters, sentences, paragraphs and reading time online, free. Live results as you type, 100% in your browser.
Groß-/Kleinschreibung
Convert text to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case or kebab-case online, free and instant.
Zahl in Worte
Convert numbers to words, with currency mode.
Lorem-Ipsum-Generator
Generate Lorem Ipsum placeholder text online, free. Choose paragraphs and words per paragraph, then copy.
Text-Bereiniger
Clean up text online, free: remove extra spaces, trim lines and strip blank lines instantly in your browser.
Slug-Generator
Convert any text or title into a clean URL slug online, free, lowercase, hyphenated, accent-safe.
Text-zu-Sprache
Convert text to spoken audio in your browser, free. Choose a voice, rate and pitch.
Entwickler
UUID-Generator
Generate random RFC-4122 version 4 UUIDs online, free. Create one or many unique IDs instantly, entirely in your browser.
Passwort-Generator
Generate strong, random, secure passwords online, free. Choose length and character types. Cryptographically random, fully in your browser.
Hash-Generator
Generate SHA-256, SHA-1 and SHA-512 hashes of text online, free. Computed with Web Crypto in your browser, nothing is uploaded.
Testdaten-Generator
Generate fake names, emails, addresses and more.
Favicon-Generator
Create a favicon from a letter or emoji and download PNGs in every size.
QR-Code-Generator
Generate a QR code from any text or URL online, free. Download as PNG, created entirely in your browser.
Meta-Tag-Generator
Generate SEO, OpenGraph and Twitter meta tags for your web page online, free. Copy-paste ready HTML.
CSS-Gradient-Generator
Create CSS linear gradients visually online, free. Pick colors and angle, then copy the CSS.
Farbwähler
Pick a color and get HEX, RGB and HSL values plus a shade scale.
Git-Befehl-Generator
Generate the exact git commands for common tasks.
QR-Code-Scanner
Scan a QR code from your camera or an image, free. Decoded entirely in your browser.
Base64 kodieren/dekodieren
Encode text to Base64 or decode Base64 to text online, free. Unicode-safe and 100% client-side, your data never leaves your browser.
URL kodieren/dekodieren
Encode or decode URL components online, free. Percent-encode special characters or decode them back, 100% in your browser.
HTML minimieren
Minify or beautify HTML code.
CSS minimieren
Minify or beautify CSS code.
JavaScript minimieren
Minify or beautify JavaScript safely.
YAML-zu-JSON-Konverter
Convert YAML to JSON and back.
Zeitstempel-Umrechner
Convert Unix timestamps (epoch) to human dates and back online, free. Supports seconds and milliseconds.
Farbkonverter
Convert colors between HEX, RGB and HSL online, free, with a live preview. 100% in your browser.
JSON zu Schema
Convert JSON into TypeScript types, JSON Schema, Zod or Python.
SVG zu Code
Convert SVG to React JSX, a data URI or CSS background online, free. Works in your browser.
Text verschlüsseln/entschlüsseln
Password-protect text with AES-256 encryption in your browser.
UTM-Link-Bereiniger
Strip UTM tags and tracking parameters from URLs for clean, private links.
JWT-Decoder
Decode a JSON Web Token (JWT) online, free. View the header and payload instantly. Client-side only, your token never leaves your browser.
Regex-Tester
Test and debug regular expressions online, free. See live matches and capture groups against your text, entirely in your browser.
Text-Vergleich
Compare two texts and see the differences online, free. Line-by-line added, removed and unchanged highlighting, 100% client-side.
SQL-Formatierer
Format, beautify and minify SQL queries.
Cron-Ausdruck-Generator
Build cron expressions with plain-English preview.
HTTP-Statuscodes
Searchable reference of every HTTP status code.
Passwortstärke prüfen
Check password strength and crack time live.
Zeitzonen-Umrechner
Convert times across cities and time zones instantly.
Markdown-Vorschau
Write Markdown and see the live HTML preview online, free. Great for READMEs and docs, 100% in your browser.
Kontrast-Prüfer
Check color contrast ratio for WCAG AA and AAA accessibility online, free, with a live text preview.
HTML-Live-Vorschau
Write HTML, CSS and JavaScript and see it render live.
XML-Formatierer
Beautify, indent, minify and validate XML online, free. 100% in your browser.
SVG-Optimierer
Optimize and shrink SVG files online, free. Strip metadata and whitespace in your browser.
Produktivität
Pomodoro-Timer
Focus timer with work and break sessions.
To-do-Liste
A simple private to-do list saved in your browser. No account needed.
Stoppuhr & Countdown
Online stopwatch with laps and a countdown timer with alarm.
Kalender-Generator
Generate a clean printable monthly calendar for any month and year online, free.
Rechner
Prozentrechner
Calculate percentages online, free: what is X% of Y, X is what percent of Y, and percentage increase or decrease.
Altersrechner
Calculate your exact age in years, months and days from your date of birth, free and instant.
BMI-Rechner
Calculate your Body Mass Index (BMI) from height and weight online, free, with the healthy-range category.
Trinkgeldrechner
Calculate tip amount and split the bill between people online, free and instant.
Kreditrechner
Calculate monthly loan EMI, total interest and total payment online, free. For home, car and personal loans.
Datumsdifferenz
Calculate the difference between two dates in days, weeks, months and years online, free.
Einheitenrechner
Convert length, weight and temperature units online, free, metres, feet, kg, pounds, Celsius, Fahrenheit and more.
Währungsrechner
Convert between 150+ world currencies with daily exchange rates.
Spiele
2048 Spiel
Slide tiles to reach 2048.
Snake-Spiel
Classic snake, arrow keys or swipe.
Flappy Bird
Flappy Bird online. Tap to flap through the pipes.
Tetris
Classic Tetris online. Clear lines, level up.
Dino-Spiel
The Chrome offline dinosaur game. Jump the cacti, duck the birds.
Breakout
Breakout brick-breaker online. Bounce the ball and smash every brick.
Memory-Spiel
Flip and match all the pairs.
Tipptest
Test your typing speed and accuracy.
Minesweeper
Classic Minesweeper online. Clear the board without hitting a mine.
Worträtsel
Wordle-style word game. Guess the hidden five-letter word in six tries.
Tic-Tac-Toe
Play Tic-Tac-Toe online vs the computer or a friend.
Simon Says
Simon Says memory game online. Repeat the growing color pattern.
Reaktionstest
Test your reaction time online. Click when the screen turns green.