Parse and validate international phone numbers with country detection. Everything runs locally in your browser — nothing is uploaded.
Parse and validate .env files to detect missing variables, syntax errors, and duplicates. Everything runs locally in your browser — nothing is uploaded.
Parse X-RateLimit headers and compute usage percentage, reset times, and retry intervals. Supports standard X-RateLimit-Limit, X-RateLimit-Remaining, and X-RateLimit-Reset formats.
Validate cron expressions with field-level range checking. Supports 5-field format with step values, ranges, lists, and wildcards. Detects out-of-bounds values and provides readable descriptions.
Counts characters with and without spaces and compares your text against platform-specific limits — Twitter/X posts (280), SMS messages (160), SEO meta descriptions (160), Facebook posts (63,206), and LinkedIn summaries (2,600). Real-time counting with space/no-space toggle.
Converts MP3 files to WAV format — universal music playback and sharing across all devices and platforms to professional audio editing, mastering, and archival in DAWs and production software. All conversion happens locally in your browser with no file size limits.
Phone Number Parser lets you parse and validate international phone numbers with country detection. Everything runs locally in your browser — nothing is uploaded.. It works on any device with a modern web browser.
Parse and validate international phone numbers with country detection. Everything runs locally in your browser — nothing is uploaded. It runs entirely in your browser — no software installation or data uploads required.
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Yes. After the initial page load, Phone Number Parser 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.