All Tools

Find the public IP used by your connection. See IPv4 or IPv6, approximate location and network details when providers return them; copy or refresh the result.

Clean CSV headers, trim values and remove duplicate rows in your browser. Review issues, then export with your chosen delimiter, encoding and line endings.

Edit Markdown with a live preview, tables, code blocks, math and Mermaid diagrams. Copy rendered HTML, download Markdown or open the print-to-PDF dialog.

Convert XML to JSON or JSON to XML in your browser. Configure attribute mapping and CDATA handling, inspect the output, then copy or download it.

Convert CSV to JSON or JSON to CSV. Set the delimiter and header row, control nested-object flattening, then copy or download the converted data.

Convert units of length, mass, temperature, time and data. Set decimal places and rounding, compare results, and copy or share a conversion.

Format and validate JSON, explore its tree, compare documents and query nested values. Copy or download the result from your browser.

Build cron expressions for Standard, Quartz, AWS, GitHub or Kubernetes. Select a timezone, preview upcoming runs, and copy the expression or export a calendar.

Convert YAML to JSON, JSON to YAML or JSON5 to JSON. Set indentation and line endings, check data against your JSON Schema, then copy or download the result.

Format YAML with indentation, key sorting and comment options. Check syntax or validate data against a JSON Schema draft-07, then copy or download the output.

Test JavaScript regex patterns, inspect matches and capture groups, preview replacements and compare the changed text. Choose flags to control matching.

Generate random passwords, PINs or word-based passphrases in your browser. Set length and character rules, then copy or download your results.

Encode and decode Base64 text or encode files up to 10 MiB. Choose UTF-8 or binary text, use URL-safe Base64, and copy or download the result.

Generate text digests with MD5, SHA-1, SHA-256, SHA-512 or BLAKE2b-512. Use Argon2id with salt and resource settings; copy or download the result.

Generate UUID v1, v4 or v5 identifiers, individually or in batches up to 500. Set formatting, inspect a UUID’s version and variant, then copy or download.

Decode JWT headers and claims, then verify a token with your key and claim settings. Inspect results locally; remote JWKS requires an explicit HTTPS request.

Format or compact XML, inspect its tree and compare documents. Check well-formedness, review errors, then copy or download the XML output.

Encode or decode a URL component or whole URI. Escape Unicode and spaces, preserve separators when needed, and copy the percent-encoded result.

Convert Unix timestamps in seconds to dates and back. Read dates in your browser’s timezone, copy results, or refresh the current-time snapshot.

Create QR codes for text, URLs, Wi-Fi or contact data. Adjust size and colors, test a scan, then download PNG or SVG; gradients export as PNG only.

Pick a color and inspect HEX, RGB, HSL and alpha formats. Build a palette, compare text/background contrast, and copy the values you need.

Build linear, radial or conic CSS gradients with a live preview. Set colors, stop positions and direction, then copy the generated background rule.

Build CSS Grid or Flexbox layouts visually. Adjust tracks, gaps and item alignment, preview available width, then copy the generated CSS and HTML.

Convert CSS units with typography and viewport context. Compare px, rem, em, %, vw/vh and print units, copy results or review history.

Build layered CSS box shadows with a live preview. Tune offsets, blur, spread, color and inset layers, then copy CSS, SCSS, Tailwind or JavaScript output.

Convert integers across 15 bases from binary to base 36, inspect signed and bitwise views, then copy grouped results.

Check two opaque HEX colors against WCAG AA/AAA thresholds, preview text, and apply an available lightness adjustment.

Calculate IPv4 CIDR subnets, masks, ranges and host counts, inspect binary details, or split a network into power-of-two subnets.

Convert a date and time between supported IANA time zones, see offsets, DST and date differences, then copy or swap the result.

Convert text case and naming styles, count words, remove duplicate lines or generate placeholder text. Choose the operation and copy the result.

Compare two texts line by line, preserve whitespace, review added and removed lines, then swap or download the diff.

Minify or beautify CSS in your browser with comment, indentation, line-ending and color options, then copy or download the result.

Format SQL for MySQL, PostgreSQL, SQL Server, Oracle, SQLite, MariaDB or BigQuery. Set indentation and keyword case, then copy or download the query.

Send browser-based HTTP requests with query parameters, headers, JSON or form bodies, auth, collections and environments; inspect response metadata and body.

Build Docker run, build, push and other CLI commands from validated options, templates, environments and history, then copy the shell text.

Convert, resize and optimize local images to browser-supported JPEG, PNG, WebP or AVIF outputs. Set quality and aspect ratio, preserve supported metadata when needed, then download files individually or as a ZIP.

Generate dependency-free Java POJO drafts from JSON text, files or URL input. Configure names, packages, arrays, dates and optional annotations, then review and download the generated classes.

Generate plain Java POJO drafts from XML text, files or URL input. Infer fields, repeated elements and namespaces, configure optional XML annotations, then review and download the classes.

Inspect one PEM or DER X.509 certificate locally. Read identity, issuer, validity, extensions and SHA-256 fingerprint, then export the observed report.

Extract a sampled frequency palette from a local image. Choose 1–16 colors, inspect HEX swatches with sample counts and percentages, then copy or download the JSON report.

Convert CSV rows into SQLite INSERT SQL locally. Set the table name, delimiter and header handling, decide how empty cells map, then copy or download the script.

Mask selected JSON fields recursively on your device. Replace values with a custom marker or remove them, then review and export the resulting JSON.

Query A, AAAA, CNAME, MX, NS, TXT, SOA, SRV, CAA or PTR records through Cloudflare DNS over HTTPS, then inspect status, TTL and data.

Hash a local file with SHA-256, SHA-384 or SHA-512, compare the digest in hex or Base64, and export the verification report.

Encode HTML special characters as named, decimal or hexadecimal references, or decode references once in your browser.

Preview HTML and CSS in a sandboxed browser frame, choose a fluid or fixed viewport, and download the composed document.

Generate an escaped HTML head with title, description, canonical, robots and optional Open Graph metadata for your page.

Look up MIME types by extension or type, or inspect a local file’s declared type and first 16-byte signature.

Generate synthetic JSON, NDJSON or CSV records from a validated field schema with repeatable shape controls and formula-safe CSV output.

Create an RFC 6238 TOTP setup URI and QR code with chosen secret source, algorithm, digits and period; optionally inspect one code snapshot.

Look up a domain’s registration data through the IANA RDAP bootstrap and export the observed response, status and event summary.