Calculators
Date Difference Calculator
Compare dates in total days, business days and calendar-aware units.
Free · Runs in your browser
The complete collection
Free online tools
Search 30 free tools for text, data, images, creators and calculations. No account needed.
Tool results
30 tools
Image Tools
Image Compressor
Reduce JPEG, PNG or WebP file size with a visual quality control.
Free · Runs in your browserLocal file input
Developer Tools
JSON Formatter and Validator
Validate, pretty-print, minify and sort JSON with useful errors.
Free · Runs in your browserLocal file input
Developer Tools
JWT Decoder and Claim Inspector
Decode JWT headers and claims, then check common time and algorithm warnings.
Free · Runs in your browser
Generators
QR Code Generator
Create downloadable PNG and SVG QR codes with colour and error correction.
Free · Runs in your browser
Developer Tools
Secret Scanner and Redactor
Find common exposed credentials and create a reviewable redacted copy locally.
Free · Runs in your browser
Generators
Secure Password Generator
Create strong passwords with secure randomness and explicit constraints.
Free · Runs in your browser
Text Tools
Text Comparison
See added, removed and changed lines in two text versions.
Free · Runs in your browser
Text Tools
Word and Character Counter
Count words, characters, sentences, paragraphs and reading time live.
Free · Runs in your browser
Creator Tools
YouTube Metadata Checker
Review title, description and tags against documented limits and clarity checks.
Free · Runs in your browser
Calculators
Aspect Ratio Calculator
Simplify a ratio, solve missing dimensions and scale common formats.
Free · Runs in your browser
Developer Tools
Base64 Encoder and Decoder
Encode UTF-8 text or decode Base64 and Base64URL safely.
Free · Runs in your browser
Developer Tools
CSV to JSON
Parse CSV reliably with delimiter, header and value-type controls.
Free · Runs in your browserLocal file input
Creator Tools
Filename Cleaner
Create safe, consistent filename suggestions individually or in batches.
Free · Runs in your browserLocal file input
Text Tools
Find and Replace
Find literal text or a regular expression and preview safe replacements.
Free · Runs in your browser
Developer Tools
Hash Generator
Create SHA-256, SHA-384 or SHA-512 checksums for text and files.
Free · Runs in your browserLocal file input
Image Tools
Image Format Converter
Convert locally among JPEG, PNG and WebP with transparency handling.
Free · Runs in your browserLocal file input
Image Tools
Image Resizer
Resize by pixels, percentage or common presets while preserving proportions.
Free · Runs in your browserLocal file input
Developer Tools
JSON to CSV
Turn arrays of objects into configurable CSV with selected columns.
Free · Runs in your browserLocal file input
Calculators
Percentage Calculator
Solve nine common percentage questions with the formula shown.
Free · Runs in your browser
Generators
Random Picker
Choose or shuffle entries with secure random selection and repeat controls.
Free · Runs in your browser
Text Tools
Remove Duplicate Lines
Keep the first unique line while preserving your list order.
Free · Runs in your browser
Developer Tools
Safe Regex Tester
Test regular expressions, flags, offsets and capture groups with a linear-time engine.
Free · Runs in your browser
Text Tools
Slug Generator
Turn titles into tidy, configurable URL slugs one at a time or in batches.
Free · Runs in your browser
Creator Tools
Social Character Counter
Check shared copy against configurable platform character guidance.
Free · Runs in your browser
Text Tools
Sort Lines
Sort lists alphabetically, naturally, numerically, by length or at random.
Free · Runs in your browser
Text Tools
Text Case Converter
Switch text between twelve useful naming and writing styles.
Free · Runs in your browser
Developer Tools
URL Encoder and Decoder
Encode components or full URLs and safely decode escaped values.
Free · Runs in your browser
Developer Tools
UUID v4 Generator
Create one or many UUID v4 identifiers with secure randomness.
Free · Runs in your browser
Text Tools
Whitespace Cleaner
Fix extra spaces, tabs, line endings and unwanted blank lines.
Free · Runs in your browser