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