Tools

Generate structured video prompts for Luma AI with subject, scene, style, motion, lighting, and negative guidance.

Turn an image description into a Luma AI image-to-video prompt with scene motion, camera direction, timing, and continuity notes.

Compose camera movement prompts for Luma AI videos, including dolly, pan, orbit, crane, handheld, lens, and focus notes.

Estimate non-official planning credits for Luma AI prompt drafts, durations, iterations, references, and quality settings.

Build example API request payloads and cURL snippets for Luma AI workflows without sending a live request.

Browse and customize Luma AI prompt examples for cinematic scenes, product shots, architecture, characters, and social video ideas.

Convert length, mass, temperature, volume, area, and speed between US, Imperial, and metric units locally.

Calculate tips, tax, exclusions, rounding, and equal or custom bill splits without exchange-rate lookups.

Compare meeting times across US and IANA time zones with automatic daylight saving time handling.

Convert numeric CNY amounts to standard Chinese financial uppercase characters locally.

Write USD, GBP, EUR, or CNY amounts in English words for checks, invoices, and contracts.

Convert dates between the Gregorian calendar and the traditional Chinese lunisolar calendar.

Compare subscription, seat, usage, add-on, discount, tax, implementation, and three-year ownership costs across three scenarios.

Estimate editable compute, storage, network, backup, database, monitoring, support, and discount costs without a pricing API.

Estimate Stripe payment fees, international and currency conversion add-ons, net proceeds, and the gross charge required for a target net amount.

Calculate revenue, cost, gross profit, margin, markup, target price, discount impact, and net profit after tax and payment fees.

Calculate payments, interest, fees, payoff date, extra-payment savings, and a complete amortization schedule including zero-percent loans.

Count, add, or subtract business days with configurable weekends, versioned US federal holidays, custom exclusions, and an exclusion breakdown.

Estimate gross pay, federal and state withholding, Social Security, Medicare, deductions, and take-home pay with versioned reference data.

Estimate total employer cost per employee and across a team including payroll taxes, insurance, benefits, leave, recruiting, equipment, and bonuses.

Calculate state and manually supplied local sales tax, discounts, quantities, tax-inclusive prices, and reverse pre-tax amounts with dated starter rates.

Convert individual or batch dates among US, international, and ISO formats while warning before interpreting ambiguous dates.

Convert Letter, Legal, Tabloid, Executive, A4, and A3 sizes to inches, millimeters, centimeters, and pixels with DPI, orientation, margins, and printable area.

Format, minify, validate, sort keys, escape, and unescape JSON locally.

Encode and decode Base64 text with UTF-8, URL-safe, and Unicode support.

Encode, decode, parse, and build URL query parameters in batches.

Convert seconds, milliseconds, local time, UTC time, and ISO date strings.

Generate one or many UUID v4 values locally with browser crypto fallback.

Decode JWT header and payload locally without sending tokens to a server.

Test JavaScript regular expressions and inspect matches, indexes, and groups.

Convert CSV rows to JSON arrays or objects locally.

Convert JSON objects or arrays to CSV for spreadsheets and reports.

Escape and unescape HTML entities for safe display and debugging.

Convert an Excel worksheet to CSV locally with sheet selection, delimiter, line-ending, preview, and row and column counts.

Convert an Excel worksheet to a JSON object array locally with sheet, header row, empty-value, and preview controls.

Parse CSV or TSV locally, preview rows and columns, choose a delimiter, and export a formatted XLSX workbook.

Recognize JSON arrays and objects, preview the resulting table, and export an XLSX workbook entirely in the browser.

Merge multiple PDFs locally, reorder files, choose page ranges, review file and page counts, and download one combined PDF.

Split a PDF by ranges, every N pages, selected pages, or one file per page and download multiple outputs as a ZIP.

Preview, reorder, delete, rotate, duplicate, and extract PDF pages in your browser without uploading the document.

Render selected PDF pages to PNG, JPG, or WebP locally with scale, quality, page-range, individual, and ZIP downloads.

Reorder images and create a Letter, Legal, A4, or image-sized PDF with orientation, margin, fit, and background controls.

Apply best-effort local PDF compression with image quality, resolution, and grayscale controls plus honest before-and-after size reporting.

Draw, type, or upload a visible signature, position it on a PDF page, add a date and signer name, and download the signed document locally.

Check public IP, location, ISP, ASN, browser, and network details.

Parse browser, operating system, device, rendering engine, and crawler signals.

Look up DNS records such as A, AAAA, CNAME, MX, TXT, and NS.

Check HTTP reachability and latency without running shell ping commands.

Inspect response headers, cache policy, redirects, and security headers.

Count characters, words, lines, paragraphs, reading time, and CJK characters.

Convert text to uppercase, lowercase, title case, sentence case, swap case, camelCase, PascalCase, kebab-case, and snake_case.

Convert simplified or traditional Chinese characters to contextual Hanyu Pinyin with tone options.

Compare two text blocks and highlight added, removed, and unchanged lines.

Generate placeholder paragraphs, sentences, and words for mockups.

Remove duplicate lines from text instantly. Supports keeping original order, removing empty lines, case-insensitive matching, and trimming whitespace.

Write and preview Markdown online. Supports headings, lists, tables, code blocks, blockquotes, links, and common Markdown syntax.

Extract video IDs from watch, youtu.be, shorts, embed, and live YouTube URLs.

Convert SRT subtitle files to WebVTT locally in your browser.

Convert WebVTT captions to SRT subtitle format locally.

Clean subtitle text, remove tags, normalize whitespace, and keep cue timing.

Shift SRT and VTT subtitle timings forward or backward locally.

Count subtitle blocks, words, characters, duration, reading speed, and longest lines.

Repair SRT numbering, blank lines, timestamps, and cue order locally in your browser.

Find overlapping, reversed, too short, too long, and tightly spaced subtitle cues.

Automatically repair subtitle overlaps, minimum gaps, cue duration, and timing order.

Merge short subtitle fragments into natural cues while preserving earliest start and latest end times.

Split long subtitle cues by length, words, punctuation, and duration with automatic timing.

Optimize subtitle line length for one-line or two-line player-friendly display.

Compare source and translated subtitles for cue count, timing, empty lines, repeated text, and text that still looks like the source language.

Turn SRT or VTT subtitles into a clean narration script for TTS and dubbing workflows.

Create YouTube links that start at an exact hour, minute, and second.

Preview local browser speech voices for short text and subtitle lines.

Extract a YouTube video ID and generate watch, embed, thumbnail, and timedtext reference links.

Parse SRT/VTT blocks, prepare translation JSON, edit translated text, and export subtitle files.

Generate strong local passwords with length, character set, and ambiguity controls.

Generate and compare MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes for text or local files.

Generate random integers, decimals, and ranges locally with browser crypto.

Convert HEIC and HEIF photos to JPG or PNG locally with batch downloads, resize limits, and progress.

Compress, resize, crop, rotate, flip, and convert JPG, PNG, and WebP images locally in your browser.

Draw a signature with mouse, touch, or pen and export a locally generated PNG or SVG image.

Generate QR codes for text, URLs, Wi-Fi, email, phone and SMS with PNG and SVG downloads.

Convert images to Base64 data URLs and preview Base64 image content locally.

Preview SVG markup safely and inspect dimensions, colors, and risky content.

Convert common image formats into favicon-ready ICO files locally.

Batch-convert PNG, JPG, WebP, BMP, GIF first frames, HEIC/HEIF, and SVG locally with resize, quality, names, and ZIP download controls.

Create favicon.ico, PNG icons, Apple Touch Icon, Android icons, manifest, previews, HTML tags, and ZIP downloads locally.

Generate iOS, Android, and PWA icon sizes from PNG, JPG, WebP, or SVG with safe area and rounded-corner previews.

Compress, clean, sanitize, preview, copy, and download SVG markup while removing scripts, events, metadata, and risky content.

Export SVG icons as transparent or background-filled PNG files at original, preset, custom, 1x, 2x, and 3x sizes.

Resize PNG, JPG, WebP, or SVG icons into common square sizes with contain, cover, transparency, background color, and ZIP export.

Create favicon packs from one to three letters with local fonts, text color, background color, corner radius, ICO, PNG, and HTML tags.

Create favicon.ico, PNG icons, Apple Touch Icon, and Android icons from emoji with transparent or colored backgrounds.

Detect SVG fill, stroke, style, currentColor, HEX, RGB, RGBA, and HSL colors, then replace one color or recolor the whole icon.

Generate HTML head link and meta tags for favicon.ico, PNG favicons, Apple Touch Icon, manifest, theme color, and mask icon.

Check favicon, shortcut icon, Apple Touch Icon, manifest, and theme-color tags from a URL or pasted HTML head content.

Convert HEX, RGB, and HSL color values with a live preview.

Pick colors, convert HEX/RGB/HSL/HSV, copy CSS variables, and generate shades.