JSON Formatter
Beautify JSON with indentation and check its structure.
Developer tools
Qvicom / Tools
Categories
Free, practical digital tools for developers, businesses, creators and everyday work.
JSON Validator
Check whether JSON is valid and identify errors.
Developer tools
JSON Minifier
Remove unnecessary whitespace from JSON.
Developer tools
Base64 Encoder
Encode text as Base64 in your browser.
Developer tools
Base64 Decoder
Decode Base64 into readable text.
Developer tools
Slug Generator
Turn text into a clean URL slug.
SEO & websites
Word Counter
Count words and characters while you type.
Text tools
Percentage Calculator
Calculate a percentage of a number.
Business tools
Password Generator
Generate strong random passwords using your browser.
Security tools
Case Converter
Switch text between uppercase, lowercase and title case.
Text tools
URL Encoder
Encode text for a URL query value.
Developer tools
URL Decoder
Decode percent-encoded URL text.
Developer tools
UUID Generator
Generate a random version 4 UUID locally.
Developer tools
Timestamp Converter
Convert Unix seconds or an ISO date to readable UTC time.
Developer tools
Meta Tag Generator
Generate HTML title, description and canonical tags.
SEO & websites
Character Counter
Count characters, words and lines as you work.
Text tools
Remove Duplicate Lines
Keep only the first occurrence of each line.
Text tools
Text Sorter
Sort lines alphabetically.
Text tools
Text Cleaner
Remove trailing spaces and excess blank lines.
Text tools
Find and Replace
Replace all exact matches in your text.
Text tools
Lorem Ipsum Generator
Generate placeholder paragraphs for layout work.
Text tools
Profit Calculator
Calculate profit and profit margin from revenue and cost.
Business tools
Margin Calculator
Calculate margin from selling price and cost.
Business tools
ROI Calculator
Estimate return on investment as a percentage.
Business tools
SHA-256 Generator
Calculate a SHA-256 digest of text locally.
Security tools
Image Dimensions
Read pixel dimensions and image type without uploading.
Image tools
Image Resizer
Resize a JPG, PNG or WebP in your browser.
Image tools
Image Compressor
Export an image as WebP with adjustable quality.
Image tools
JPG to PNG
Convert a JPEG to PNG entirely in your browser.
Image tools
PNG to JPG
Convert a PNG to JPEG on a white background.
Image tools
JPG to WebP
Convert JPEG to WebP privately in your browser.
Image tools
PNG to WebP
Convert PNG to WebP while retaining transparency.
Image tools
WebP to JPG
Convert WebP to JPEG on a white background.
Image tools
Regex Tester
Test a JavaScript regular expression against text.
Developer tools
Color Converter
Convert HEX colors to RGB and HSL values.
Developer tools
Color Contrast Checker
Compare two opaque HEX colors against WCAG text contrast ratios locally.
Developer tools
Text Diff Checker
Compare two texts line by line.
Text tools
UTM Campaign URL Builder
Build an HTTPS campaign URL with UTM tags locally in your browser.
SEO & websites
SHA-512 Generator
Calculate the SHA-512 digest of text locally.
Security tools
PX ↔ REM Calculator
Convert CSS px and rem using a root font size you provide, locally in your browser.
Developer tools
Markup Calculator
Calculate selling price and markup from cost and a percentage.
Business tools
Meeting Cost Calculator
Estimate meeting cost from attendees, hourly cost and duration.
Business tools
HTML Formatter
Indent HTML safely in your browser.
Developer tools
CSS Formatter
Add readable indentation to CSS.
Developer tools
JavaScript Formatter
Indent JavaScript without executing it.
Developer tools
SQL Formatter
Lay out SQL keywords and clauses more clearly.
Developer tools
Robots.txt Generator
Create a basic robots.txt for public crawling rules.
SEO & websites
XML Sitemap Generator
Generate a simple sitemap from website URLs.
SEO & websites
Schema.org Generator
Generate basic Organization JSON-LD.
SEO & websites
Open Graph Generator
Generate social sharing meta tags.
SEO & websites
Twitter/X Card Generator
Generate Twitter/X summary-card meta tags.
SEO & websites
Keyword Density Checker
Estimate how often a keyword appears in a text.
SEO & websites
URL Analyzer
Inspect the components of an absolute URL.
SEO & websites
Invoice Number Generator
Create a random example invoice identifier.
Business tools
Business Name Generator
Get name ideas from a word or phrase.
Business tools
Time Zone Converter
Convert an ISO instant between time zones.
Business tools
Hash Generator
Compute SHA-256 or SHA-512 for text locally.
Security tools
Security Header Checker
Inspect defensive headers on a public HTTPS site.
Security tools
SSL Certificate Checker
Check dates and issuer of a trusted public HTTPS certificate.
Security tools
CSV to JSON
Convert a bounded CSV table to JSON objects locally.
Developer tools
JSON to CSV
Convert flat string-only JSON objects to spreadsheet-safer CSV locally.
Developer tools
Image Cropper
Crop a static JPG, PNG or WebP locally and download a PNG.
Image tools
Image Color Palette
Get up to six approximate HEX colors from a static image in your browser.
Image tools