Build OAuth scope strings from comma-separated values with URL encoding and breakdown. Everything runs locally in your browser — nothing is uploaded.
Generate OAuth authorization URLs for Google, GitHub, Facebook, Microsoft, and LinkedIn with custom client ID, redirect URI, and scope.
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.
Build HTTP requests with custom method, URL, headers, and body. Generate equivalent curl commands.
Bidirectional converter between tab-separated values (TSV) and comma-separated values (CSV) with proper quoting.
Expression evaluator with keypad and history, ETA calculator with distance and speed, and a stopwatch/chronometer with lap recording.
OAuth Scope Builder lets you build OAuth scope strings from comma-separated values with URL encoding and breakdown. Everything runs locally in your browser — nothing is uploaded.. It works on any device with a modern web browser.
Build OAuth scope strings from comma-separated values with URL encoding and breakdown. Everything runs locally in your browser — nothing is uploaded. It runs entirely in your browser — no software installation or data uploads required.
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, OAuth Scope Builder 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.
Random Port Generator
Generate random TCP/UDP port numbers from well-known, registered, or dynamic ranges. Useful for network testing, Docker port mapping, and firewall configuration.
Chmod Calculator
Convert between numeric (755) and symbolic (u=rwx,g=rx,o=rx) chmod permission formats. See detailed breakdown for owner, group, and others.
Docker Run to Compose Converter
Convert docker run commands to docker-compose.yml format. Supports ports, volumes, environment variables, networks, restart policies, and container names.
Email Normalizer
Normalize email addresses by removing dots (Gmail), stripping +tags, and lowercasing. Process multiple emails at once for deduplication and cleaning.
Diff Checker
Compares two input texts side-by-side, highlighting inserted, deleted, and changed lines with distinct background colors.