In-depth articles on image processing, streaming playback, document conversion and privacy — helping you get more done with online tools.
What local processing really means, when it beats upload-based services, a seven-point checklist for evaluating any tool — and a 60-second network-tab test that settles marketing claims.
2026-10-24 · 8 min readPull emails, phone numbers, URLs, IPs and IDs out of messy logs and exports with preset or custom regex, split text into columns by delimiter, and deduplicate — all in your browser.
2026-08-11 · 6 min readRatio cheat sheet (1:1, 4:5, 16:9…), composition rules, cropping vs. resizing, and how to crop precisely online — free and local.
2026-08-11 · 6 min readEvery photo hides camera, date and often GPS location. What EXIF reveals, the privacy risks, and how to view and strip it online — free and fully local.
2026-08-11 · 6 min readBitrate, resolution, codec and container explained — with starting settings per use case, and local browser compression without uploading.
2026-08-11 · 7 min readWhat a Unix timestamp is, the classic seconds/milliseconds trap, and time-zone-aware conversion online — no guessing.
2026-08-11 · 6 min readCore patterns, classic mistakes, flags, and how to test regex with live highlighting, capture groups and replacement preview.
2026-08-11 · 7 min readQuoted-cell rules, header handling and type detection — and how to convert CSV, TSV and JSON safely online, locally.
2026-08-11 · 6 min readWhy word count matters for essays, SEO and social posts — and how to count words, characters, keyword frequency and reading time instantly, without uploading your text.
2026-08-11 · 6 min readWhat WPM means, how fast "fast" really is, and how to take a typing test online and improve your score with practice — all in your browser.
2026-08-11 · 6 min readFrom miles to kilometers, pounds to kilograms and Celsius to Fahrenheit — common conversion factors and how to convert anything instantly online.
2026-08-11 · 6 min readHow currency conversion works, the difference between reference and live rates, and when to trust a bank's quote instead of a free tool.
2026-08-11 · 6 min readWhen watermarks actually help, how to design one that balances visibility with subtlety, and how to add text or logo marks online — free and local.
2026-08-11 · 6 min readHow BMI is calculated, what the categories mean, and — just as important — what it doesn't measure. With an instant metric-or-imperial BMI calculator.
2026-08-11 · 6 min readEvery icon your website needs — favicon.ico, PNG sizes, apple-touch-icon and installable PWA icons — what each is for, and how to generate them all from one image, free and locally.
2026-08-11 · 7 min readFrom ID photo color swaps to product shots and avatars — learn how background removal works, how to use it step by step, and how to get clean cutouts free in your browser.
2026-08-10 · 8 min readNeed a blue background for an application and a white one for a passport? Here are the standard 1-inch/2-inch sizes, RGB references for white/blue/red, and how to swap backgrounds in your browser.
2026-08-10 · 7 min readWant that clean nine-square feed look? Learn how grid slicing works, how to set spacing and borders, and how to split one image into a perfect 3×3 grid in one click.
2026-08-10 · 6 min readMemes, product demos, tutorial animations — here's how GIF works, how to combine images or convert video clips into an animated GIF, and how to balance frame rate with file size.
2026-08-10 · 7 min readWhat is a Base64 image, when should you use it, and when should you avoid it? Covers the ~33% size overhead and the right way to embed images in HTML, CSS and mini apps.
2026-08-10 · 7 min readWhat is TTS good for? A practical guide to browser-based text-to-speech built on the Web Speech API — usage steps, speed and pitch tips, and common questions.
2026-08-10 · 6 min readHow to get accurate live transcription in your browser: use cases for meetings, video subtitles and dictation, plus practical tips to improve recognition accuracy.
2026-08-10 · 6 min readWhat makes a password strong? Why random passwords beat human-made ones, how to avoid credential-stuffing attacks, and the right way to generate and manage them.
2026-08-10 · 7 min readCan't read a minified API response? Learn JSON formatting, minifying, validation with line/column error locations, and structural diff comparison.
2026-08-10 · 7 min readHow exact age is calculated, common mistakes, and how to look up birthday countdowns, zodiac signs and Chinese zodiac animals — with an online age calculator walkthrough.
2026-08-10 · 6 min readClient sent several PDFs and you need one file? Need only a few pages? Too big to email? Step-by-step coverage of merging, splitting, reorganizing and two compression modes.
2026-08-07 · 7 min readPoster scans failing? Want to add a logo or change colors? Covers error correction levels L/M/Q/H, quiet zones, sizing and PNG/SVG export.
2026-08-07 · 6 min readInventory labels, sample IDs, retail barcodes: how to pick a symbology, calculate check digits, and get module width and quiet zones right for printing.
2026-08-07 · 6 min readWhy won't your m3u8 link open? Can RTMP play in a browser? A systematic guide to the most common streaming errors and how to debug a video stream.
2026-08-05 · 7 min readCompressing images speeds up your pages and saves storage. Compare the three major formats, quality settings and use cases, with a 5-step compression workflow.
2026-08-05 · 8 min readM3U8 is the playlist format behind HLS streaming. Learn the basics, then play .m3u8 links directly in your browser — no player install required.
2026-08-03 · 6 min readTurn PDF pages into PNG/JPG images for social sharing, newsletter illustrations and archiving. Covers per-page export, batch compression and packaged downloads.
2026-07-28 · 5 min readFiles never leave your device and computation happens locally — that's what fundamentally reduces data-leak risk. Here's how local processing works and where its limits are.
2026-07-20 · 6 min readLearn Francesco Cirillo's Pomodoro Technique — 25 minutes of focus followed by 5-minute breaks — and put it into practice with an online timer.
2026-07-12 · 5 min readThese articles link to and from the tool pages, forming topic clusters worth exploring: