Online Tools

Remove image backgrounds instantly with AI. Runs entirely in your browser - no uploads, no sign-ups, no watermarks.

Compress and optimize images instantly. Adjust quality, change format, resize - all in your browser with no uploads.

Paste messy JSON and get beautifully formatted, syntax-highlighted output instantly. Copy or download the result.

Trim, crop, merge, and convert videos right in your browser. No software installs, no uploads to servers.

Add custom text, captions, and watermarks to your images with full control over fonts, colors, and positioning.

Measure anything on your screen with real-world accuracy. Calibrate with a credit card, then measure in centimeters or inches.

Test your download speed, upload speed, and ping latency instantly. Free, private, no ads -- works on any device.

Search for any song and discover similar tracks with similarity percentages. Powered by Last.fm -- free, instant, no sign-up.

Generate QR codes for URLs, text, WiFi, email, and phone numbers. Customize colors, size, and download as PNG or SVG.

Upload an image or create a text favicon. Generates all sizes from 16x16 to 512x512 with HTML code snippet.

Focus timer with session tracking, daily and weekly stats, streaks, and audio notifications. All saved locally.

Build a professional resume with live preview. Choose templates, add sections, and download as PDF. No sign-up needed.

Encode and decode Base64 text and files. Drop a file, paste a string, copy either direction.

Percent-encode strings, decode them, or inspect every part of a URL.

Convert numbers between binary, octal, decimal, hexadecimal, and any radix.

MD5, SHA-1, SHA-256, SHA-384, SHA-512 and HMAC for text or files.

Decode and verify JSON Web Tokens. Inspect header, payload, signature.

Generate UUID v4, time-ordered UUID v7, ULID, and nanoid in bulk.

Test regular expressions with live highlighting, capture groups, and flag toggles.

Compute network, broadcast, range, mask, and host counts for any CIDR.

Searchable reference of every HTTP code from 100 to 599.

Translate cron expressions to plain English and preview the next runs.

Convert between Unix timestamps, ISO 8601, and human dates across timezones.

Convert between JSON, YAML, XML, TOML, and CSV. Auto-detects the input.

Generate TypeScript, Go, Rust, C#, Python types from any JSON sample.

Compare two JSON documents structurally with full paths to every change.

Convert a cURL command to fetch, axios, Python requests, Go, Rust, and more.

Beautify or minify HTML, CSS, JavaScript, TypeScript and JSON with Prettier.

Format SQL across PostgreSQL, MySQL, SQLite, T-SQL, BigQuery and more.

Format, validate, and minify XML and YAML in your browser.

Write Markdown with a live preview. GFM tables, sanitized HTML export.

Compare two pieces of text. Line or word-level highlighting.

Convert text between camelCase, snake_case, kebab-case, Title Case and more.

Generate fake names, emails, addresses, JSON, CSV, SQL inserts.

Convert HEX/RGB/HSL/HSV/CMYK and check WCAG contrast.

Build harmonious palettes and full Tailwind-style shade scales.

Build linear, radial, and conic CSS gradients with multi-stop control.

Layer multiple CSS box-shadows with live preview.

Design frosted-glass and soft-shadow neumorphic panels.

Generate fluid-typography clamp() values with a live viewport preview.

Generate strong passwords and passphrases with a live strength meter.

Build SEO meta tags and OG cards with a live social preview.