Decode QR codes from uploaded images. Scan any QR code image and extract the embedded text or URL.
Find the ISO week number for any date. Also shows the day of the week and the current week of the year.
Text tools (duplicate word remover, find/replace, cleaner, splitter, trailing space remover, slug generator), text analysis (line/paragraph/sentence/syllable counter), SEO preview (canonical URL checker, Google SERP simulator, OG preview tester, Twitter card generator), and schema/UTM (breadcrumb schema, FAQ schema, UTM builder, image color palette).
Decode HTTP status codes with full category, description, and common causes for each code from 1xx to 5xx.
Extracts every embedded raster image from a PDF as separate JPEG or PNG files, preserving original resolution and color space.
Extract text from batches of scanned JPGs, PNGs, or PDF pages and export as a single formatted Word doc. Students and digitizers use it instead of typing 40 pages manually.
QR Code Reader lets you decode QR codes from uploaded images. Scan any QR code image and extract the embedded text or URL.. Everything runs inside your browser — nothing is uploaded to a server. It works on any device with a modern web browser.
Decode QR codes from uploaded images. Scan any QR code image and extract the embedded text or URL. It's ideal for developers, designers, and anyone who needs to decode qr codes from uploaded images without installing software or sending data to external servers.
Direct text entry, file upload, or URL-based input — depending on the tool. Paste or type your content directly into the provided editor area.
Yes. After the initial page load, QR Code Reader runs entirely on your device with no internet connection needed. All processing is done locally.
Tools cover JavaScript, CSS, HTML, SQL, Python, JSON, XML, CSV, and more. Check individual tool descriptions for specifics.
No. All code processing — formatting, minification, conversion, hashing — runs locally in your browser.
Yes. Since processing is local, performance depends on your device. Most operations handle large files without issue.
Yes. SQL uses sql-formatter, JSON uses native JSON.parse, and other formatters follow widely adopted formatting rules.
Yes. All developer tools work fully offline after the initial page load.
Time Converter
Convert between time units including seconds, minutes, hours, days, weeks, months, and years with precise decimal results.
Diff Checker
Compares two input texts side-by-side, highlighting inserted, deleted, and changed lines with distinct background colors.
Regex Tester
Provides an interactive environment where users can write a regular expression pattern, test it against sample strings, and view real-time match.
JSON Formatter
Pretty-prints raw JSON with configurable indent width, key sorting, and bracket collapsing options while flagging syntax errors with exact.
JS Minifier
Strips comments, whitespace, and shortens local variable names in JavaScript source without altering execution semantics.
Base64 Encode/Decode
Encodes text or small files into Base64 strings and decodes them back with automatic MIME-type detection for binary safety.