Programming

...

Disclosure: This article may contain affiliate links. We may earn a commission at no additional cost to you. Best Online Coding Bootcamps 2026 — A Realistic Guide for Career Changers The coding bootcamp industry has matured significantly since its early days. In 2026, the best bootcamps genuinely produce job-ready developers in 3-6 months. The worst ones charge $15,000+ and leave you with a portfolio no employer takes seriously. This guide separates the two. We compare the top bootcamps based on actual outcomes — job placement rates, salary data, curriculum depth, and whether the investment makes financial sense for your specific situation. ...

This tool generates code only. No actual API requests are sent from your browser. Request GET POST PUT PATCH DELETE Headers Query Params Body Auth Header Name Value + Add Header Parameter Value + Add Parameter None JSON Form Data (URL-encoded) Raw Text {\n "name": "John Doe",\n "email": "john@example.com"\n} Field Value + Add Field No Auth Bearer Token Basic Auth API Key cURL JavaScript - Fetch JavaScript - Axios Python - requests PHP - cURL Generate Code cURL Copy Click "Generate Code" to see the output here. Related Free Tools JSON Formatter & Validator Base64 Encoder / Decoder URL Encoder / Decoder JWT Decoder Regex Tester Related Tools Dns Record Guide Http Status Codes Ip Address Calculator ...

A bookmarklet is a bookmark that runs JavaScript on any page. Paste your JS code below, click Convert, drag it to your bookmark bar, and it works instantly — no extensions needed. JavaScript Code Paste your JavaScript here Minify (remove comments & whitespace) URI encode Wrap in IIFE (void function(){...}()) Convert to Bookmarklet Clear Test in Console Bookmarklet Output Copy Characters: 0 Size: 0 B Status: — Drag this button to your bookmark bar: Bookmarklet (Show your bookmark bar: Ctrl+Shift+B / Cmd+Shift+B) Ready-to-Use Examples Highlight Links Dark Mode Toggle Font Size Changer Print Page Scroll to Top Word Count Copy Page URL+Title Related Tools: Code Minifier URL Encoder How to Use a Bookmarklet Paste your JavaScript into the code area above (or pick an example). Click Convert — the tool wraps your code in a javascript: URI. Drag the generated button to your browser’s bookmark bar. Visit any page and click the bookmark — your script runs instantly. Tips Minify strips comments and whitespace, keeping the URL short. IIFE wrap prevents your variables from polluting the page’s global scope. URI encode is required for special characters like spaces, quotes, and ampersands. Most browsers cap bookmarklet URLs at ~2 KB — keep scripts lean. Use alert() or console.log() to debug output during testing. Related Tools Code Minifier — Minify JS, CSS, and HTML files. URL Encoder — Encode/decode URL components manually.

Chmod Permission Calculator Quick Presets 644 — Files 755 — Directories 600 — Private 777 — All Access 444 — Read-Only 700 — Owner Only 664 — Group Write 640 — Group Read Octal Value Type any octal value (000–777) or use the grid below Permission Grid Entity Read (r) Write (w) Execute (x) Octal Owner (u) ✓ ✓ ✓ 7 Group (g) ✓ ✓ ✓ 5 Others (o) ✓ ✓ ✓ 5 Special Permissions ✓ setuid — Run as file owner ✓ setgid — Run as group owner ✓ Sticky bit — Restrict deletion Result Octal (Numeric) 755 Symbolic Notation rwxr-xr-x rwxr-xr-x chmod 755 filename Copy What do permissions mean? Read (r) = 4 File: view contents. Directory: list contents (ls). Write (w) = 2 File: modify or delete. Directory: create/delete files inside. Execute (x) = 1 File: run as a program. Directory: enter (cd) the directory. Owner (u) The user who owns the file. Usually the creator. Group (g) Users in the file's associated group. Others (o) Everyone else on the system. setuid (4000) Executable runs with the owner's privileges. Appears as 's' in owner execute bit. setgid (2000) Executable runs with group's privileges. New files in dir inherit group. Sticky bit (1000) Only the file owner can delete files in a directory. Used on /tmp. Related Tools Build cron expressions → Cron Expression Generator ...

Common Presets Cron Expression Expression: Copy Human-Readable Description Every minute Visual Builder Next 10 Run Times Related Tools Convert Unix timestamps → Unix Timestamp Converter Generate Git commands → Git Command Generator Calculate file permissions → Chmod Calculator Related Articles How to Automate Tasks with AI Step by Step

Cron Expression Generator Common Presets Every minute Every hour Daily at midnight Daily at 9 AM Weekly (Mon midnight) Weekly (Mon 9 AM) Monthly 1st Yearly (Jan 1st) Every 5 min Every 15 min Every 30 min Hourly (9–5 weekdays) Manual Entry / Parse Parse Visual Builder Minute Every minute (*) Every N minutes Specific minute(s) Range Hour Every hour (*) Every N hours Specific hour(s) Range Day of Month Every day (*) Specific day(s) Range Month Every month (*) Specific month(s) Range Weekday Any day (*) Specific day(s) Range * * * * * Copied! Copy Runs every minute. Next 5 Execution Times Related: Format code with JSON Formatter

Build Your Cron Expression Every minute Every hour Daily at midnight Daily at 9 AM Weekly (Sun) Monthly (1st) Weekdays 9 AM Every 5 min Every 15 min Yearly (Jan 1) Minute Hour Day (Month) Month Day (Week) * * * * * Copy Description Every minute Next 5 Execution Times Validate an Existing Expression Validate Clear Build cron expressions → Cron Expression Builder ...

DNS Configuration Helper Enter your domain name, choose a preset configuration, and get ready-to-use DNS records. ...

Text Input File Hash Compare Hashes Generate All Hashes Clear Uppercase Live update Computing… Copy All AlgorithmHash ValueInfo 📄 Drop a file here, or click to browse All file types • Processed entirely in your browser • Never uploaded 📄 | Hashing file… Copy All AlgorithmHash ValueInfo Paste two hash strings to verify they are identical. Useful for confirming file integrity after download, or checking password digests match. ...