Developer Tools
18 toolsJSON Formatter
Beautify, minify, and validate JSON instantly.
JSON → CSV Converter
Convert JSON arrays to CSV with table preview & download.
JSON → XML Converter
Convert JSON to well-formed XML instantly.
XML → JSON Converter
Parse XML and convert to clean JSON output.
Regex Tester
Real-time match highlighting, flags, and capture groups.
JWT Decoder & Validator
Decode header & payload, check expiry. No server.
HTML Formatter
Beautify or minify HTML with side-by-side preview.
CSS Minifier
Minify CSS and see exact file size savings.
JS Minifier / Beautifier
Minify and beautify JavaScript in-browser.
Cron Generator
Visual cron builder with human description & next run times.
Diff Checker
Compare text, JS, CSS, TSX, JSON side by side.
Base64 Encode / Decode
Encode text or files to/from Base64.
Base64 Image Converter
Encode images to Base64 data URIs for HTML/CSS.
URL Encoder / Decoder
Encode, decode, and parse URLs easily.
Hash Generator
SHA-1, SHA-256, SHA-512, MD5 hashes instantly.
Markdown → HTML
Live Markdown preview with HTML export.
SQL Formatter
Beautify or minify SQL queries. Supports all major clauses.
UTM Generator
Build UTM tracking URLs for Google Analytics campaigns.
SRE & DevOps
9 toolsSLA / Uptime Calculator
Calculate allowed downtime for 99.9%, 99.99%, 99.999% SLAs.
Error Budget Calculator
Track SRE error budget consumption and remaining budget.
CIDR / Subnet Calculator
Network address, broadcast, usable hosts from any CIDR notation.
Curl Command Builder
Build curl commands visually — method, headers, auth, body.
Byte & Bandwidth Calc
Convert storage units and calculate file transfer times at any speed.
Port Reference
Searchable reference of 40+ common network ports and services.
HTTP Status Codes
All HTTP status codes explained with fix guidance. Searchable.
YAML ↔ JSON Converter
Convert JSON to YAML and YAML to JSON instantly in browser.
Percentile Calculator
Calculate P50, P95, P99, P99.9 from any latency or performance data.
Text & Writing
7 toolsWord Counter
Words, chars, sentences, reading time & keywords.
Case Converter
UPPER, lower, camelCase, snake_case, slug and more.
Lorem Ipsum Generator
Generate placeholder paragraphs instantly.
Remove Duplicate Lines
Deduplicate, sort, and clean text lists instantly.
Random String Generator
Generate random strings, tokens, and API keys.
Slug Generator
Convert any text to a URL-friendly SEO slug.
Text Diff Checker
Compare two blocks of text and highlight changes.
SEO & Web Tools
7 toolsMeta Tag Generator
Generate SEO meta tags with live Google preview.
Open Graph Generator
OG + Twitter Card tags with Facebook preview.
Robots.txt Generator
Build a robots.txt file visually with presets.
XML Sitemap Generator
Generate and download a sitemap.xml for any site.
Meta Tag Analyzer
Analyze your page HTML and get an SEO score with tips.
Open Graph Preview
See how your page looks on Facebook, Twitter and LinkedIn.
Slug Generator
Convert titles to SEO-friendly URL slugs.
File & PDF
3 toolsCreative & Design
3 toolsColor Palette Generator
Generate harmonious palettes with CSS export.
QR Code Generator
Custom QR codes for URLs, WiFi, vCards, and more.
Favicon Generator
Design a favicon from text, initials, or icon shapes.
Converters & Utilities
5 toolsUnit Converter
80+ units: length, weight, temperature, data…
Password Generator
Cryptographically secure random passwords.
Random Name Generator
Names for characters, brands, and usernames.
UUID Generator
Bulk-generate v4 UUIDs. Copy all with one click.
Timestamp Converter
Live Unix clock. Convert timestamps to dates & back.
AI Tools
5 toolsMy Accountant
AI-powered Indian tax & salary assistant. Ask anything — take home, GST, TDS, HRA, income tax.
AI Caption Generator
Generate engaging captions for Instagram, TikTok & LinkedIn.
AI Hashtag Generator
Generate trending hashtags for any platform in seconds.
AI Email Reply Generator
Paste any email and get a polished reply instantly.
AI Product Description Generator
Turn product features into compelling descriptions.
CA & Tax Tools
5 toolsTake Home Calculator
Calculate monthly in-hand salary from CTC. Full salary slip.
GST Calculator
GST at 5/12/18/28% with CGST+SGST and IGST split.
Income Tax Calculator
Old vs New regime comparison for FY 2024-25.
HRA Exemption Calculator
All 3 conditions, metro vs non-metro. Section 10(13A).
TDS Calculator
TDS by section — salary, professional fees, rent and more.
Finance Calculators
4 toolsLoan / EMI Calculator
Calculate EMI, total interest & full amortization schedule.
FIRE Calculator
Find your FIRE number, years to retire early & Coast FIRE.
Debt Snowball vs Avalanche
Compare payoff strategies side-by-side. See exact interest saved.
Savings Goal Calculator
How much to save monthly to reach any goal.
Fitness Calculators
9 toolsCalorie Calculator
TDEE, BMR, and macro targets for your fitness goal.
BMI Calculator
Body Mass Index with visual scale and healthy weight range.
BMR Calculator
Basal Metabolic Rate using Mifflin-St Jeor & Harris-Benedict.
Body Fat % Calculator
Calculate body fat using the US Navy circumference method.
Ideal Weight Calculator
Ideal body weight using 4 clinical formulas side-by-side.
Water Intake Calculator
Daily hydration goal based on weight, activity & climate.
Macro Calculator
Protein, carbs & fat targets for 5 diet goals incl. keto.
One Rep Max Calculator
Estimate 1RM using 4 formulas + full training % table.
Heart Rate Zone Calculator
Target heart rate zones using Karvonen & Fox formulas.
Why YourToolsKit?
Great utilities shouldn't require accounts, installs, or paywalls.
Built by Madhankumar — Lead Frontend Engineer with 10+ years of experience