Tax & discounts
Add or remove VAT/GST/sales tax and calculate tax-equivalent discounts.
nTools
Simple online tools. Fast results. No account.
Free online calculators, text tools, network utilities and developer tools that run directly in your browser whenever possible.
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Tools
Featured
6 toolsAge calculator
Calculate age, total elapsed time, next birthday and weekday of birth.
What is my IP?
Show your public IP and approximate Cloudflare location data.
Percentages & change
Calculate percentages and percentage change between two values.
Time since a date
Calculate days, hours, minutes and seconds since, until or between dates.
JSON formatter & converter
Format, validate, minify and convert JSON.
Calculations
6 toolsTax & discounts
Add or remove VAT/GST/sales tax and calculate tax-equivalent discounts.
Percentages & change
Calculate percentages and percentage change between two values.
Discount calculator
Find the discount percentage, savings and sale price.
Age calculator
Calculate age, total elapsed time, next birthday and weekday of birth.
Time since a date
Calculate days, hours, minutes and seconds since, until or between dates.
Meeting time overlap
Find working-hour overlaps across time zones.
Text & lists
7 toolsCharacter counter
Count characters, words, sentences, paragraphs, lines and spaces as you type.
Remove duplicates
Remove duplicate lines, blank lines and extra whitespace.
Sort lists
Sort lists alphabetically, numerically or randomly.
List compare
Compare two lists and find common or unique items.
Uppercase & lowercase
Convert text to upper, lower, title or sentence case.
Words from letters
Find words that can be built from the letters you provide.
Word pattern finder
Search words with patterns such as C?T or endings.
Network
5 toolsCIDR / subnet calculator
Calculate IPv4 network, mask, broadcast and usable address range.
What is my IP?
Show your public IP and approximate Cloudflare location data.
DNS lookup
Look up A, AAAA, MX, TXT, CNAME and NS records.
WHOIS / RDAP lookup
Look up public registration data for a domain, IPv4 or IPv6 address.
Download time
Estimate file download time from size and connection speed.
Developer tools
14 toolsUnix timestamp converter
Convert Unix timestamps, dates, UTC, local time and ISO 8601.
Cron expression generator
Build and explain common Cron expressions.
Regex tester
Test regular expressions locally and inspect matches, groups and positions.
CSV ↔ JSON converter
Convert CSV to JSON or JSON to CSV directly in your browser.
Hash generator
Generate SHA-256, SHA-384 or SHA-512 hashes for text and files.
JSON formatter & converter
Format, validate, minify and convert JSON.
JWT decoder
Decode JWT header and payload locally. Signature is not verified.
URL encoder / decoder
Encode or decode URLs and text using percent encoding.
Base64 encoder / decoder
Convert text to Base64 and Base64 back to text.
Human-readable units
Convert milliseconds and bytes into readable units.
UTM builder
Create campaign URLs with UTM parameters.
Password generator
Generate strong passwords locally in your browser.
UUID generator
Generate UUID v4 identifiers locally.
QR & Wi-Fi QR generator
Create QR codes for text, links or Wi-Fi access without uploading data.
Images
3 toolsImage resizer & compressor
Resize and compress images locally with custom dimensions, percentage scaling and common presets.
Image format converter
Convert JPEG, PNG and WebP images locally with live previews, quality control and file-size comparison.
HEIC to JPEG converter
Preview HEIC and HEIF photos, choose JPEG quality and download the result without uploading your photo.
PDF & Documents
8 toolsMerge PDF
Combine multiple PDF files in the selected order, entirely in your browser.
Split PDF
Create separate PDF files from page groups you choose locally.
Images to PDF
Turn JPEG and PNG images into a PDF with selectable page size and order.
PDF to images
Render selected PDF pages as PNG or JPEG images locally.
Rotate PDF
Rotate all or selected PDF pages and download the updated document.
Extract PDF pages
Select pages from a PDF and save them as a new document.
Reorder PDF pages
Change the order of PDF pages with accessible move controls.
PDF metadata viewer
View PDF title, author, dates, page count and other document information.