Developer Utilities
Precision tools
for engineers.
A focused collection of developer utilities: formatting, decoding, converting, and validating data. All processing happens locally in your browser.
$ curl timify.org/json
→ Validating JSON payload...
→ Format: pretty-print
→ Size: 2.4kb
✓ Valid JSON
57
Tools Available
Free
No Credit Card
Local
Browser Processing
JSON Formatter & Validator
Prettify, minify, and validate JSON with instant feedback.
JWT Decoder
Decode JWT headers and payloads with readable timestamps.
Base64 Encode / Decode
Convert text to Base64 and back with one click.
Regex Tester
Test regular expressions with live match highlighting.
Cron Expression Generator
Build cron schedules with a visual, readable builder.
URL Encoder / Decoder
Safely encode URLs or decode percent-encoded strings.
Text Diff Checker
Compare two texts side by side with clear highlights.
Unix Timestamp Converter
Convert Unix timestamps to human time and back.
JSON to CSV Converter
Turn JSON arrays into clean CSV files.
Word and Character Counter
Count words, characters, lines, and reading time.
SEO Keyword Suggestions
Discover keyword ideas via autocomplete from Google and Bing.
UUID Generator
Generate v4 UUIDs instantly for unique identifiers.
Password Generator
Create secure, customizable passwords with strength indicator.
String Hash Generator
Generate MD5, SHA1, SHA256, and SHA512 hashes instantly.
Lorem Ipsum Generator
Generate placeholder text for mockups and prototypes.
HTTP Status Codes
Quick reference for all HTTP status codes with descriptions.
CSV Previewer
Preview, analyze and convert CSV files to JSON or TSV.
Color Palette Generator
Generate shades, complementary colors and CSS variables.
IP Address Lookup
Detect your IP address or look up any IP geolocation.
Text Case Converter
Convert text between camelCase, snake_case, Title Case and more.
Chmod Calculator
Calculate Linux file permissions visually.
Markdown Editor
Write and preview Markdown with live rendering.
Date Calculator
Calculate date differences, add/subtract time, convert timestamps.
Image Converter
Convert and compress PNG, JPG, WEBP images in browser.
Text Analyzer
Count words, sentences, reading time and keyword density.
Number Base Converter
Convert between decimal, binary, octal and hexadecimal.
JSON Diff
Compare two JSON objects and highlight differences.
Mortgage Calculator
Calculate monthly payments, total interest and amortization schedule.
Compound Interest
Calculate investment growth with compound interest over time.
BMI Calculator
Calculate Body Mass Index and healthy weight range.
Currency Converter
Convert between 170+ currencies with live exchange rates.
Salary Calculator
Calculate take-home pay and tax breakdown by country.
Code Editor
Write and run Python, JavaScript, Java, C++, Go, Rust, PHP, Ruby online in an isolated sandbox.
API Tester
Test HTTP APIs with headers, body and params. Send GET, POST, PUT, PATCH, DELETE requests and view responses.
DNS Lookup
Query DNS records: A, AAAA, CNAME, MX, TXT, NS, SOA and more.
SSL Checker
Check SSL certificate validity, expiry date, issuer, and certificate chain information.
HTTP Headers
Analyze HTTP response headers and security score. Check for security headers like CSP, HSTS, X-Frame-Options.
QR Generator
Generate QR codes for URLs and text. Download as PNG or SVG.
OG Preview
Preview how URLs look when shared on social media. See Twitter, Facebook, WhatsApp cards.
Crontab Reference
Cron expression builder and reference. See next run times and common examples.
Text to Speech
Convert text to natural-sounding speech using Microsoft Edge voices. Download as MP3.
Instagram Fonts
Convert text to stylish Unicode fonts for Instagram bios, captions, and comments.
YT Thumbnail
Download YouTube video thumbnails in all available resolutions.
Font Explorer
Browse and preview 2000+ free fonts from Google, Bunny and Fontshare.
View Source
View and analyze HTML source code of any website. Syntax highlighting, search, download.
Whois Lookup
Look up domain registration info, expiry date and nameservers.
Ping Checker
Check if any website is online and measure response time.
Aspect Ratio
Calculate, scale and convert image and video aspect ratios.
Speed Test
Analyze website performance, load time and get optimization tips.
Color Picker
Pick colors from any image and extract dominant color palette.
YAML ↔ JSON
Convert between YAML and JSON formats instantly.
Pomodoro Timer
Focus timer with work sessions and break intervals.
CSS Gradient
Generate beautiful CSS gradients with live preview.
.env Parser
Parse and visualize .env files, convert to JSON or shell exports.
Credit Card Payoff
Calculate how long to pay off credit card debt and total interest.
Retirement Calculator
Plan retirement savings with growth projections and gap analysis.