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Every page on the site in one place: every tool by category, the guides, and the pages about the site.
Pages
Tool categories 9
- Converters 34
- AI Tools 16
- Video Tools 17
- Image Tools 29
- SEO Tools 20
- Developer Tools 29
- CSS Tools 24
- PDF Tools 20
- Text Tools 14
All tools 203
Converters 34
- Bandwidth Speed Estimator
- Binary / Hex Converter
- Binary Translator
- BMI & Health Calculator
- Calorie & TDEE Calculator
- Compound Interest Calculator
- Date Difference Calculator
- Discount & Savings Calculator
- EMI Calculator
- Epoch & Unix Timestamp Converter
- Exact Age Calculator
- German VAT Calculator (MwSt.)
- GPA Calculator
- GST / VAT Calculator
- Live Word & Character Counter
- Loan EMI Calculator
- Markdown to HTML Converter
- Meeting Cost Calculator
- Morse Code Encoder / Decoder
- Mortgage Calculator
- Multi-Currency Estimator
- Percentage Calculator
- Prozentrechner – Percent Calculator
- Random Number Generator
- RGB & Hex Color Converter
- ROI Calculator
- Roman Numeral Converter
- Rule of Three Calculator (Dreisatz)
- Salary to Hourly Converter
- Savings Goal Calculator
- Text Case Converter
- Tip & Bill Split Calculator
- Unit Converter
- Unix Timestamp Converter
AI Tools 16
- AI Article Writer
- AI Blog Outline Generator
- AI Content Humanizer
- AI Grammar & Style Checker
- AI Meta Description Writer
- Code Structure Analyzer
- Comment Reply Assistant
- Creative Story Generator
- Headline & Title Generator
- Paraphrasing & Rewriter Tool
- Professional Email Writer
- Prompt Optimizer
- Social Media Post Writer
- Text & Article Summarizer
- Text Expander
- Writing Tone Converter
Video Tools 17
- Add Intro, Outro or Thumbnail
- Add Music to Video
- Add Subtitles to Video
- Cut Sections from a Video
- Detach Audio & Video
- Remove Audio from Video
- Split Screen & Picture-in-Picture Video Maker
- Video Compressor
- Video Converter
- Video Cropper & Resizer
- Video Frame Extractor
- Video Merger
- Video Splitter
- Video Studio
- Video to MP3 Converter
- Video Trimmer
- Video Watermark
Image Tools 29
- Add Text to Image
- Aspect Ratio Calculator
- Black and White Converter
- Blur or Redact a Region
- Collage Maker
- Color Picker & Hex/RGB
- Colour Blindness Simulator
- Colour Palette Extractor
- Favicon Generator
- HEIC to JPG Converter
- Image Border
- Image Colour Inverter & Grayscale
- Image Compressor
- Image Cropper & Trimmer
- Image Flip & Rotator
- Image Flip and Rotate
- Image Format Converter
- Image Metadata Remover
- Image Resizer
- Image Splitter
- Image to Base64 Converter
- Photo Filters & Effects
- Pixelate Image
- Placeholder Image Generator
- QR Code Generator
- Round Image Corners
- SVG Previewer & Minifier
- SVG to PNG Converter
- Watermark Adder
SEO Tools 20
- Canonical URL Tag Checker
- Content Uniqueness Analyzer
- Domain Name Audit
- Heading Structure Analyzer
- Hreflang Tag Generator
- htaccess Redirect Generator
- Keyword Density Checker
- Keyword Research Tool
- Meta Tag Analyzer
- Meta Tag Generator
- Open Graph Previewer
- Page Speed Auditor
- Robots.txt Builder
- Robots.txt Tester
- Schema Markup Generator
- SERP Snippet Simulator
- URL Decoder
- URL Encoder
- UTM Campaign Builder
- XML Sitemap Generator
Developer Tools 29
- Base64 Encoder / Decoder
- Bcrypt Hash Generator & Checker
- Chmod Permissions Calculator
- Cron Expression Builder
- CSS Minifier Tool
- CSV to JSON Converter
- HTML Code Minifier
- HTML Entities Encoder & Decoder
- htpasswd Password Generator
- JavaScript & HTML Beautifier
- JavaScript Minifier
- JSON Diff
- JSON Formatter & Validator
- JSON Schema Validator
- JSON to CSV Converter
- JSON to TypeScript Interface
- JWT Token Decoder
- Lorem Ipsum Generator
- Multi Hash Generator
- Regex Pattern Tester
- SHA-256 Hash Generator
- Slug Generator
- SQL Query Formatter
- Strong Password Generator
- URL Query Parameter Parser
- User-Agent Inspector
- UUID / GUID Generator
- XML Code Formatter
- YAML to JSON Converter
CSS Tools 24
- Blob Generator
- Clip Path Generator
- Color Wheel & Scheme Generator
- CSS Aspect-Ratio Property Generator
- CSS Background Pattern Generator
- CSS Border Radius Builder
- CSS Box Shadow Builder
- CSS Button Style Generator
- CSS Clamp() Fluid Typography Generator
- CSS Filter Generator
- CSS Flexbox Layout Generator
- CSS Glassmorphism Generator
- CSS Gradient Builder
- CSS Grid Template Builder
- CSS Keyframe Animation Generator
- CSS Pure Border Triangle Builder
- Cubic Bezier Editor
- Neumorphism Generator
- PX to REM Converter
- Scrollbar Styler
- Tailwind Colour Shade Generator
- Text Shadow Generator
- UI Color Palette Generator
- WCAG Color Contrast Checker
PDF Tools 20
- CSV Data to PDF Converter
- HTML to PDF Printer
- Image to PDF Converter
- Markdown to PDF Converter
- PDF Certificate Creator
- PDF Compressor
- PDF Document Inspector
- PDF Header & Footer Wrapper
- PDF Invoice Generator
- PDF Merger
- PDF Metadata Editor
- PDF Page Counter
- PDF Page Numbering
- PDF Page Organizer
- PDF Splitter
- PDF to Word Converter
- PDF Watermark
- PDF Word & Character Counter
- Text to PDF Generator
- Word to PDF Converter
Guides 46
- Box shadows that look like light rather than paint
- Combining PDFs without degrading them
- Compression: an already-optimised image gets larger, not smaller
- Detaching keeps both halves — muting throws one away
- Extracting pages from a PDF, and what comes with them
- Fancy fonts are characters, and screen readers spell them out
- Getting a document out of Markdown when the reader does not use it
- Glassmorphism: why it does nothing on a flat background
- How to create a strong password
- How to rewrite a sentence without changing what you claimed
- How to write an article with AI without publishing something generic
- Image formats: converting to PNG does not restore a JPEG
- Measuring repetition in your own writing, and why no free tool checks the web
- MP4 or WebM: why the choice is bigger than file size
- Picking colours from an image: click the middle, not the edge
- QR codes: never crop the quiet zone
- Reading a diff: an edited line is a removal plus an addition
- Resizing: both numbers are used exactly as entered
- Structured data must match the visible page
- The errors grammar checkers catch, invent and miss
- The meta tags that still do something, and the ones that never did
- Turning plain text into a PDF your browser writes
- WCAG contrast: the thresholds, and the elements everyone forgets
- What a good summary keeps, and what it is safe to drop
- What a SHA-256 hash actually proves, and what it does not
- What actually limits how many clips Video Splitter can make
- Why a duplicate key in your JSON vanishes without any warning
- Why an identical monthly payment is mostly interest at first
- Why base64 output is always about a third larger than the input
- Why Celsius to Fahrenheit needs two operations instead of one
- Why four citation styles do not format an author list the same way
- Why frame count limits this tool, not video length
- Why joining videos means re-encoding every one of them
- Why keyword density stopped mattering, and what to measure instead
- Why resolution shrinks a video more than the quality slider does
- Why the resolution you type is the short edge, not the long one
- Why the same emoji produces a different number of groups in two different tools here
- Why the thumbnail is real video, not a file’s poster metadata
- Why there is no delete button — you mark what to keep
- Why these captions are burned into the picture, not a track you can turn off
- Why this replaces a video’s sound instead of mixing into it
- Why Title Case here capitalises words like “of” and “the”
- Why trimming a video always re-encodes it, even for a simple cut
- Why Video Studio composites once instead of chaining six tools
- Word counts that actually matter, and what each metric means
- Writing an invoice that gets paid