Fast utilities,
without the junk drawer.
Search once, open the tool, finish the task. DNS, tax, JSON, hashes, timestamps, encoding, contacts, data cleanup, and more in one quiet workspace.
Address Label Formatter
Format mailing addresses into clean multiline labels with optional attention lines, country casing, and completeness checks.
Aspect Ratio Calculator
Simplify aspect ratios and calculate scaled width or height.
Average Calculator
Calculate mean, median, range, and totals from pasted numbers.
Base64 Encoder / Decoder
Encode plain text into Base64 and decode Base64 content back into readable text.
Number Base Converter
Convert integers between decimal, binary, octal, and hexadecimal without precision loss.
Campaign Break-Even Calculator
Estimate conversions and visitors needed for a campaign to break even.
Bus Cancellation Tracker
Aggregate Canadian bus service cancellations with Ontario updates surfaced first and province-level filtering.
Business Days Calculator
Count weekdays between dates with optional end-date and holiday exclusions.
Text Case Converter
Convert text into common writing and identifier case styles.
Checksum Verifier
Compare expected and actual checksums with normalization for copied hash strings.
Chmod Calculator
Convert Unix permission digits into symbolic permissions and a copy-ready chmod command.
CIDR Calculator
Calculate IPv4 network, broadcast, mask, and usable host range from CIDR notation.
CSS Clamp Calculator
Generate a responsive CSS clamp() value from minimum and maximum sizes and viewport widths.
Text Cleanup
Normalize pasted text by trimming lines, collapsing spacing, and preserving paragraph breaks.
Color Converter
Convert HEX, RGB, and HSL colors into copy-ready values.
Commute Cost Calculator
Estimate pay-per-ride commute costs and compare them with a monthly transit pass.
Transit Connection Buffer
Check whether a transit transfer has enough walking and waiting buffer.
Contrast Checker
Check foreground and background colors against WCAG AA and AAA contrast thresholds.
Character Counter
Count words, characters, sentences, paragraphs, and reading time as you type.
CPC Calculator
Calculate cost per click, estimated clicks, or ad spend from any two campaign inputs.
Cron Parser
Validate five-field cron expressions and calculate upcoming UTC runs.
CSV to JSON
Convert CSV rows into formatted JSON records.
CSV Summary
Profile CSV data with row counts, column stats, missing values, unique counts, and numeric summaries.
Date Duration Calculator
Calculate days, weeks, hours, minutes, and seconds between two UTC calendar dates.
List Deduper
Remove duplicate lines from a list while preserving order or sorting the result.
Text Diff
Compare two blocks of text and get a line-by-line diff.
DNS Dig
Look up A, AAAA, MX, NS, TXT, and SOA records for any domain, similar to the dig command.
Discount Calculator
Calculate discount savings, tax, and final price from an original amount.
HTML Entity Encoder
Encode reserved HTML characters or decode named and numeric HTML entities.
Transit Fare Cap Calculator
Estimate pay-per-ride transit costs, compare daily, weekly, and monthly fare caps, and see savings and break-even rides.
Transit Fare Compare
Compare two transit fare options by ride cost, ride volume, monthly pass price, and annual savings.
File Size Converter
Convert file sizes between bytes, decimal KB/MB/GB/TB, and binary KiB/MiB/GiB/TiB units.
Fraction Simplifier
Simplify fractions and convert them to mixed numbers, decimals, and percentages.
Word Frequency Analyzer
Find the most-used words in pasted text with Unicode-aware counting, length filters, and percentage shares.
Fuel Cost Calculator
Estimate fuel used and trip cost from distance, fuel efficiency, fuel price, and round-trip travel.
Secret Generator
Generate passwords, API keys, and memorable passphrases with advanced character and length controls.
GTM / GA Tag Checker
Scan a page URL or pasted HTML to find Google Tag Manager containers and Google Analytics tags.
Hash Generator
Generate SHA-1, SHA-256, SHA-384, and SHA-512 digests from text.
Security Headers Checker
Paste HTTP response headers to check common browser security protections and weak header values.
Headline Checker
Check headline length, word count, and preview truncation.
IP Lookup
Convert IPv4 or IPv6 addresses into location details and ISP / ASN network provider information.
JSON Beautifier
Format compact or messy JSON into clean, readable, properly indented output.
JSON to CSV
Convert JSON objects or arrays into copy-ready CSV, semicolon, or TSV output.
JSON Path Extractor
Extract a nested value from JSON with simple dot and bracket paths.
JWT Decoder
Decode JWT headers and payload claims without verifying the signature.
Loan Payment Calculator
Estimate monthly loan payments, total interest, and payoff timing.
Mailto Link Builder
Build encoded mailto links from recipients, subject lines, and message bodies.
Markdown Table Formatter
Normalize Markdown table text, align columns, and infer a header separator when one is missing.
Meta Description Checker
Preview a search snippet and check title and meta description length.
Password Strength Checker
Estimate password entropy from length, character sets, and weak patterns without sending or storing it.
Percentage Calculator
Answer percent-of, ratio percentage, percent change, and percentage increase or decrease questions.
Phone Number Formatter
Normalize phone numbers into national, international, E.164, and tel link formats.
Port Range Normalizer
Normalize firewall port lists by expanding ranges, removing duplicates, sorting ports, and collapsing contiguous values.
Ratio Calculator
Simplify ratios and scale one side to a target value.
Reading Time Estimator
Estimate reading and speaking time from pasted text with word, sentence, and paragraph counts.
Regex Tester
Run JavaScript regular expressions against text and inspect matches.
ROAS Calculator
Calculate return on ad spend, profit, CPA, visitor cost, and break-even ROAS.
RRULE Validator
Validate iCalendar recurrence rules with clear error messages and normalized output.
Sales Tax Calculator
Calculate sales tax from a subtotal, discount, shipping, one or two tax rates, or extract tax from tax-inclusive prices.
Savings Goal Calculator
Estimate how long it takes to reach a savings target.
Email Signature Formatter
Create clean plain-text and HTML email signatures from contact details.
Slug Builder
Turn titles and labels into clean URL-safe slugs.
Spacing Scale Generator
Generate CSS spacing design tokens from a pixel base, rem base, and token prefix.
Standard Deviation Calculator
Calculate sample or population standard deviation, variance, mean, min, max, range, and sum from pasted numbers.
Subnet Mask Converter
Convert between CIDR prefix length, IPv4 subnet mask, wildcard mask, and host counts.
Canadian Tax Calculator
Estimate federal and provincial income tax with CPP, EI, and a detailed Canadian tax breakdown.
Time Duration Calculator
Calculate elapsed hours, minutes, and seconds between two HH:MM:SS durations.
Unix Timestamp
Generate Unix seconds, Unix milliseconds, or ISO 8601 timestamps with optional live auto-sync.
Tip Split Calculator
Calculate tip, total bill, and per-person split.
Title Tag Checker
Check title tag length, estimated pixel width, and SERP preview truncation.
Unit Converter
Convert length, mass, temperature, and data storage units.
URL Encoder / Decoder
Encode plain text for URLs or decode URL-encoded content with smart mode detection.
UTM URL Builder
Build copy-ready campaign URLs with encoded UTM source, medium, campaign, term, and content parameters.
UTM Link Checker
Check campaign URLs for required UTM source, medium, and campaign tags.
UUID Generator
Generate UUID values instantly, with advanced options for UUID v4 and UUID v7.
vCard Formatter / Validator
Validate vCard contact data, extract contact fields, and generate normalized output for imports.
Week Number Calculator
Find the ISO week number, ISO week year, day of year, quarter, weekday, and week date range for any date.
Canadian Tax Calculator
Estimate federal, provincial, CPP, EI, marginal rate, average rate, and take-home pay.
open toolIncome Tax in Canada
Practical ideas on how tax works, how to plan through the year, and key concepts with FAQ.
read guideDNS Troubleshooting
Diagnose website, email, and verification record issues with dig-style lookups.
read guideWhy yukt.tools exists
The short story behind a fast, ad-free home for everyday utilities.
read storyData Use Notes
Clear notes for API-backed tools, local preferences, logs, sensitive inputs, and contact routes.
read policy