A collection of 190+ developer tools for formatting, converting, validating, hashing and inspecting code and data. Everything runs locally in your browser.
190+
Browser-based tools
18
Categories
0
Files uploaded
The tools developers reach for most often.
Generate an MD5 hash in your browser.
Generate SHA-1, SHA-256, SHA-384 or SHA-512 hashes.
Generate UUID v1, v4 and v7 values.
Generate sortable ULIDs.
Generate compact, URL-safe NanoIDs.
Generate strong passwords with custom rules.
Convert text between camel, snake, kebab, Pascal, constant and title case.
Compare two texts side by side.
Test regular expressions and inspect match groups.
Convert between JSON and YAML.
Convert between JSON and XML.
Convert between JSON and CSV.
From formatting and conversion to cryptography and image tools.
Format, minify, validate and preview HTML documents.
Format, minify and validate CSS, and convert it to Tailwind.
Format, minify, validate and convert JavaScript.
Format, minify, validate and explore JSON.
Convert between text and encoded representations.
Hashes, HMAC, checksums, encryption and keys.
JWT, PKCE, Basic auth, TOTP and cookies.
IDs, passwords, random data and fake data.
Case conversion, diffing, counting, sorting, regex and Markdown.
JSON, YAML, XML, CSV, TOML, XLSX and schema conversion.
Formatters, transpilers, converters and highlighters.
Color conversion, contrast, palettes and CSS generators.
Bases, bitwise, floats, calculators and unit conversion.
Timestamps, time zones, cron expressions and durations.
HTTP, MIME, URLs, IP/CIDR and server configuration.
Compress, resize, convert, inspect and generate images.
Email, cards, IBAN, ISBN, phone, IP and semantic versions.
Commits, diffs, documentation, logs and timers.
No servers, no uploads, no tracking of your input. Open a tool, get your result and move on.
Every tool runs in your browser. Your code, files and secrets are never uploaded.
Open a tool and use it. No accounts, installs or build steps required.
Once the page is loaded, tools keep working even without a network connection.