Discover insights, tips, and stories about productivity, technology, and making your work easier
Paste a cURL command and run it online to see the status, headers, body and timing. Which flags work, the -d Content-Type trap, and how to schedule it.
Test any REST API from your browser: set headers, bearer tokens, Basic auth or API keys, send a body, and assert on status codes, JSON fields and response time.
Check an SSL certificate's expiry date in a browser, with OpenSSL, curl or online, why certificates now expire within 200 days, and how to get warned in time.
Most file-sharing services can read what you send. Learn what "encrypted" really means, how a link can carry its own key, and how to send large files privately.
A quick guide to removing image backgrounds automatically in seconds — no Photoshop, no manual tracing, and how to check for a clean, professional-looking result.
How to calculate your loan EMI, understand the formula behind it, and compare loan offers by total interest paid, not just the monthly number.
What URL encoding is, why URLs need it, and how to encode or decode special characters, spaces, and query parameters correctly.
How to resize an image to the right pixel dimensions without stretching or distorting it, and when to resize vs. compress vs. crop.
How password strength checkers calculate crack time, what actually makes a password strong, and whether it's safe to test yours online.
How API uptime monitoring works, what it actually checks, how often to poll your endpoints, and the alerting mistakes that slow down incident response.
How hex, RGB, and HSL color formats relate to each other, how to convert between them, and when each format actually makes sense to use.
The difference between Title Case, Sentence case, camelCase, snake_case and more, and when each format is actually used.
Why exchange rates differ between converters, what the mid-market rate actually means, and how much a markup can cost on a real transfer.
Where Lorem Ipsum placeholder text comes from, why designers still use nonsense Latin instead of real copy, and when to avoid it.
How to shrink an image file size for free without visible quality loss — which format to pick, step-by-step compression, and common mistakes to avoid.
What the Flesch Reading Ease score actually measures, what grade level to target, and why search engines reward simpler writing.
The difference between GST-inclusive and GST-exclusive amounts, and how to calculate either direction correctly.
What download, upload, and ping actually measure, and realistic Mbps targets for streaming, gaming, and video calls.
The difference between your public and private IP, what an IP address reveals about you, and when you'd actually need to check it.
What a Unix timestamp actually counts, why it shows up in logs and APIs, and how to convert it to a real date.
What actually makes a password hard to crack, why length beats complexity, and how to check a password's real strength.
The difference between hashing algorithms, why MD5 is considered broken for security, and when a checksum is still fine.
Building and debugging a regex against real sample text, instead of running your code over and over to see what breaks.
Turning a wall of minified JSON into something readable, and pinpointing the exact character breaking your JSON parser.
Why PDFs become unreadable, what a repair tool actually does to recover them, and when a file is beyond saving.
Free online grammar and spell checker. Fix grammar errors, spelling mistakes, passive voice and weak words instantly. No signup, 100% browser-based.
Free online text comparison tool. Compare two documents, find differences instantly with word, line and character level diff. No signup, 100% browser-based.
Free online JSON formatter, validator and minifier. Beautify messy JSON, validate syntax errors, convert JSON to CSV, XML and YAML. No signup, 100% browser-based.
Free online word counter with speaking time, syllable count, passive voice detector and social media character limits. No signup, works in browser instantly.
Drawing, typing, or uploading a signature onto a PDF without paying for DocuSign or installing desktop software.
When a watermark actually protects a document, when it doesn't, and how to add one to every page in seconds.
Why a Word document can look different on someone else's computer, and how converting to PDF fixes that permanently.
Compare two documents and catch every change: added,removed and edited lines highlighted, plus how to review a contract or draft. Free and in your browser.
What Base64 actually does, why it shows up in URLs, emails, and APIs everywhere — and why it is not encryption.
Stop retyping numbers from PDF reports. How PDF-to-Excel conversion works, when it's reliable, and how to check the result.
Turn a camera roll full of receipts, IDs, or homework pages into a single, ordered PDF that's easy to send and print.
Turn PDF pages into shareable JPG images without installing anything — and know when PNG is the better choice.
When PDF password protection actually helps, what it does and doesn't prevent, and how to add or remove one in your browser.
What actually happens when a PDF becomes a DOCX, why formatting sometimes shifts, and how to get a clean, editable result.
How to pull specific pages out of a PDF or break it into individual files, without installing anything.
The three QR code types people actually need, how to generate each one correctly, and the design mistakes that make a QR code fail to scan.
A quick decision guide for picking between JPG, PNG, and WebP based on transparency, compression, and file size — and how to convert between them.
What PDF compression actually does under the hood, how much smaller you can realistically expect a file to get, and when to leave it alone.
A practical guide to combining PDFs online without watermarks, page limits, or handing sensitive documents to a service that keeps a copy.
