Passport Photo Maker
Crop an ID photo to any country size and lay out a print sheet.
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Circle Image Cropper
Crop any photo into a circle with transparent corners.
Remove Punctuation
Strip punctuation marks and keep the words.
Reading Level Checker
Find the school grade and reading age your text needs.
Tailwind to CSS Converter
See the real CSS behind any Tailwind class, generated by Tailwind itself.
Sprite Sheet Generator
Pack animation frames or icons into one sprite sheet.
ASCII to Text
Turn a list of character codes back into readable text.
Text Placeholder Generator
Generate filler text to an exact character or word budget.
Invoice Handling Fee Calculator
Work out a handling, processing or surcharge line, and whether it is allowed.
ULID Generator
Generate ULIDs — sortable by creation time and case-insensitive.
Srcset Generator
Generate responsive image sizes and the srcset markup.
Glitch Effect Generator
Add RGB shift, scan lines and datamosh artefacts.
Prompt Analyzer
Score a prompt on the parts that change the answer, and see what is missing.
JSONPath Tester
Run JSONPath expressions against a document and see every match live.
Image Sharpener
Bring back edge detail with unsharp masking.
Reverse Words
Flip the word order of a sentence without scrambling the letters.
Unindent Text
Remove indentation while keeping the relative nesting intact.
URL Extractor
Pull every web address out of a block of text.
Stable Diffusion PNG Info Reader
Read the prompt, seed and settings saved inside an AI-generated PNG.
ChatML Formatter
Convert a conversation into ChatML, Llama 3, Mistral, Gemma or Alpaca prompt templates.
Fine-Tuning Dataset Formatter
Turn question and answer pairs into a JSONL training file for OpenAI, Llama or Gemini.
CRC32 Calculator
Compute a CRC-32 checksum in hex, decimal and signed form.
YAML Validator
Check YAML parses and find the line where the indentation goes wrong.
EXIF Data Viewer
Read the camera, lens, settings and GPS inside a photo.
Average Color Finder
Find the single average colour of an image.
Normalize Text
Apply Unicode normalisation so identical-looking text really matches.
Text Similarity Checker
Measure how similar two texts are as a percentage.
Emoji Remover
Replace emoji with their names, shortcodes, or nothing at all.
Text Chunker
Split long documents into overlapping chunks for embeddings and RAG.
OpenAI API Request Builder
Build a chat API request for OpenAI, Claude, Gemini, Groq or Ollama in cURL, Python, JS or PHP.
System Prompt Generator
Build a structured system prompt for a chatbot, assistant or custom GPT.
Dockerfile Generator
Generate a production Dockerfile with multi-stage builds and layer caching.
XML Minifier
Strip whitespace and optionally comments from XML, and see the bytes saved.
Day Counter
Days between dates, with or without weekends and holidays.
Image Rotator
Rotate a photo by 90 degrees, or by any angle you like.
Spell Checker
Catch the spelling mistakes people actually make.
Consonant Counter
Count consonants in any text and see which letters dominate.
Mock JSON Generator
Describe a shape and get as many rows of matching JSON as you need.
SVG to JSX
Turn an SVG into a React component with the attributes React expects.
AES Encrypt & Decrypt
Encrypt text with a password using AES-GCM, and decrypt it back.
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