clear-line-operations.com

Convert any video or audio file to another format, with optional trimming and downscaling.

Shrink a video or audio file to fit a size limit, such as 8 MB for Discord or 25 MB for email.

Cut a section out of a video or audio file.

Pull the audio track out of a video (or re-encode an audio file).

Join several video or audio files end to end.

Reframe and adjust a video in one pass: change aspect ratio (for example 9:16 for Shorts and Reels) by cropping to fill or adding bars, downscale, rotate, flip, change speed (audio pitch is preserved), set frame rate, or remove the audio.

Put a logo image and/or a line of text on a video, with position, size and opacity controls.

Set title, artist, album, comment or year tags, or strip all metadata (location, device, software) before sharing.

One-step audio cleanup.

Lay a music track under a video or voice recording.

Render an audio or video file's sound as a waveform picture or a spectrogram, as a PNG.

Read a file's duration, resolution, frame rate, codecs, bitrate, audio tracks and metadata tags without converting it.

Analyse a file and report where the silences are (to cut dead air), where the scene changes are (to chapter or clip a video), and how loud it is in LUFS.

Grab still frames from a video at chosen times or evenly spaced, or build one contact sheet that shows the whole video at a glance.

Turn a set of images into a video slideshow, with optional slow zoom and a music track.

Package a video for web streaming as HLS with several quality levels (the format video players use to adapt to slow connections).

Turn the speech in a video or audio file into text with timestamps.

Add subtitles to a video, permanently shown on screen.

Shift an audio file's pitch in semitones and/or change its tempo (speed) independently, for remixes, practice tracks and key matching.

Give a video a cinematic look: pick a preset (teal and orange, warm film, cool noir, black and white, vintage) and fine-tune brightness, contrast, saturation and vignette.

Play a short clip backwards, with its audio.

Turn any image into crisp pixel art for games: pick the pixel size and colour count, and scale the result back up with sharp edges.

Combine animation frames or icons into one sprite sheet PNG with a fixed cell size, and get the frame coordinates as JSON for your game engine.

Fetch a web page and return its title, description and clean readable text (headings, paragraphs, lists).

Scrape specific elements from a page.

List every link on a page with its anchor text.

Pull every table on a page as rows of cells (first row of each table is usually the header).

Read a page's title, description, canonical URL, Open Graph / Twitter tags, favicon, language, headings count and JSON-LD structured data.

GET a public JSON endpoint and return the parsed result.

Fetch an RSS or Atom feed and return its entries (title, link, date, summary).

Find a site's sitemap (via robots.

Check up to 20 URLs: HTTP status, final URL after redirects, content type.

Look up a domain's A, AAAA, MX, TXT, NS and CNAME records.

Check email syntax and whether the domain can receive mail (MX records).

Inspect a site's HTTPS certificate: issuer, validity dates, days until expiry and alternate names.

Check a site's HTTP security headers (HSTS, CSP, X-Frame-Options, etc.

Scan a page for email addresses, phone numbers and social profile links (LinkedIn, X, Facebook, Instagram, YouTube, GitHub).

Look up a domain's registrar, registration and expiry dates and nameservers via RDAP.

Convert between CSV and JSON text.

Fetch a public .

Convert an amount between currencies using current reference exchange rates (ECB).

Geolocate a public IP address: country, city, ISP/organization, ASN and timezone.

Find the closest archived snapshot of a URL in the Internet Archive, optionally for a given date (YYYYMMDD).

Create a QR code (SVG) for a URL or any text, e.

Hash text (md5, sha1, sha256, sha512), base64 or URL encode/decode, or generate UUIDs.

Collect v3 .

List the curated and discovered .

Search the web and return ranked results (title, URL, snippet).

Crawl a site breadth-first from a starting URL, staying on the same domain, and return the clean text of each page.

Fetch up to 10 URLs in parallel and return the clean readable text of each (title, text).

Look up a specific past incident in Chicago public crime data by case number, date (plus or minus a window), block, crime type, keyword or coordinates.

Crime Radar.

Query the local Crime Radar statistics database (FBI Crime Data Explorer, annual counts and rates by offense).

Measure round-trip latency, jitter and packet loss to a host by timing TCP connections (default port 443).

Check whether up to 10 TCP ports are open on a public host.

Show the network path (each router hop with latency) from our server to a public host.

Find the hostnames (PTR records) for a public IP address.

Look up who owns a public IP address: network name, range, country, registrant and abuse contact, from the regional internet registries.

Follow a URL's redirects hop by hop and report each status code and location, up to 10 hops.

Look up the notes of any scale or mode, build the diatonic chords of a key, or turn a roman-numeral progression (for example I V vi IV) into chords.

Create a downloadable .

Turn a tempo into millisecond note lengths, delay times and reverb pre-delay, plus the LFO frequency for each note value.

Convert subtitle text between SRT and WebVTT and shift all timings by an offset in seconds (positive delays, negative advances).

Convert between timecode (HH:MM:SS:FF), frame counts and seconds at any frame rate, add or subtract timecodes, and work out durations.

Build a shot list from a scene list: assigns shot numbers, estimates runtime and setup time per shot, and totals the schedule for a shoot day.

Roll tabletop dice from notation like 2d6+3 or 4d6kh3 (keep highest), with repeatable seeds, plus the exact probability distribution of a roll.

Roll from a weighted loot table, or report each item's drop chance.

Generate character, town or ship names in a chosen style (fantasy, elven, dwarven, sci-fi, orcish).

Generate a level-up XP table from a curve (linear, quadratic, exponential or RuneScape-style) and report total XP and the time to reach each level at a given XP-per-hour pace.

Generate a greyscale heightmap PNG from layered value noise for terrain, clouds or textures.

Build a game or brand palette from one base colour using harmony rules (complementary, triadic, analogous, split-complementary, monochrome) with hex and HSL values.

Paste CSV text and get a data-quality report: row count, per-column type, blanks, distinct values, min/max/mean for numbers, top values and duplicate rows.

Calculate a loan's monthly payment and full amortization schedule, with optional extra monthly payments to show interest saved and the new payoff date.

Translate a 5-field cron expression into plain English and list the next run times.

Decode a JSON Web Token's header and claims and check expiry.

Line-by-line diff of two texts (contracts, configs, policies), with added and removed lines and a similarity score.

Count working days between two dates or add working days to a date, skipping weekends and optional holidays.

Look up a CVE ID, or search recent vulnerabilities by keyword, using the US National Vulnerability Database.

List known subdomains of a domain from public certificate-transparency logs.

Pull IPs, domains, URLs, emails, file hashes (MD5, SHA-1, SHA-256) and CVE IDs out of a block of text such as a threat report, log or email.

Estimate password entropy and check whether it appears in known data breaches using the Have I Been Pwned range API.

Offline heuristic check of a URL for phishing signs: lookalike brand names, punycode, IP hosts, deep subdomains, risky TLDs, @ tricks and long obfuscated paths.

Guess which algorithm produced a hash (MD5, SHA family, bcrypt, argon2, crypt formats) from its length and format.

Check headlines, descriptions and body text against character limits for Google Search (RSA), Meta, X, LinkedIn, TikTok and Microsoft Ads, and flag common policy problems (ALL CAPS, repeated punctuation, excessive emoji, unsupported claims).

Build campaign tracking URLs with consistent UTM parameters, one per source/medium pair, with lower-casing and safe encoding.

Work out CTR, CPC, CPM, conversion rate, CPA, ROAS, ROI and break-even from any mix of spend, impressions, clicks, conversions and revenue.

Compare two ad or page variants for statistical significance (two-proportion z-test), or calculate how many visitors per variant you need to detect a given lift.

Turn a keyword list into Google/Microsoft Ads match types (broad, phrase, exact), find duplicates, and generate a negative-keyword starter list for a chosen intent.

Send one prompt to up to 4 AI models in parallel (OpenAI, Anthropic, Google Gemini, OpenRouter, Groq, Mistral) and get the answers side by side with latency and token use.

Create a complete, responsive, animated website from a short brief and host it instantly.

Work with the files of a hosted site: list, read, write (one or many at once), delete.

List every site you have created with its id, name, live URL, publish state and file count.

Make a site live at its public URL, take it offline, or delete it permanently.

Check any public web page (or one of your hosted sites) for SEO, accessibility, mobile, performance and security problems.

Copy a public page and its same-site CSS and JavaScript into a new editable workspace (up to 15 assets).

Apply safe automatic fixes to an HTML page in a hosted site: lang attribute, charset, viewport, title, meta description, canonical, Open Graph tags, lazy-loading and dimensions hints on images, rel=noopener on new-tab links, defer on head scripts, and empty alt on images missing it.

Live market snapshot: top coins by market cap (or specific coin ids) with price, 1h/24h/7d/30d change, volume, market cap and distance from all-time high, plus global market cap, BTC dominance and the Fear & Greed index.

Detailed look at one coin: price history summary, RSI, moving averages (20/50/200 day), trend, volume trend, volatility, max drawdown, and recent headlines that mention it.

Search coins by name or symbol and get the id used by the other crypto tools, plus the trending coins right now.

Look up any public wallet address on Bitcoin, Ethereum or Solana: balance, USD value, token holdings (Ethereum), transaction count and optionally a risk check on the biggest holdings.

Latest headlines from CoinDesk, Cointelegraph, Decrypt and The Block, each tagged positive, negative or neutral by keyword, with an overall mood score.

Scan the market for coins that look set to run and coins showing warning signs.

Create a workspace that links your apps and agents so they can talk to each other.

Manage the apps in a workspace.

Decide what flows where.

Send an event into the workspace as one of your apps.

Read messages waiting in an agent app's inbox (marks them read unless peek is true), or the recent event log of the whole workspace for debugging.

A small key-value store every app and agent in the workspace can read and write, so they share context (current task, last result, settings).

Build a polished, responsive front end for an app and host it instantly.

Save a reusable multi-step workflow that chains this server's tools.

List the saved recipes on your account with their inputs and steps.

Run a saved recipe: executes its steps in order, passing outputs forward, and returns every step's result.

Delete one of your saved recipes.

Publish a copy of one of your recipes and get a share code.

Add a recipe someone shared with you, using its share code.

Describe a machine, mechanism or product idea in plain language (e.

Generate a precise parametric part and host it: AutoCAD-compatible DXF (2D, layers), STL (3D, ready for printing/CNC/slicers), SVG drawing, an interactive 3D viewer, mass and specs.

Design a working mechanism with 3D model, 2D layout DXF, bill of materials and engineering checks.

Scope a tokamak fusion reactor concept: enter geometry and plasma parameters (major_radius_m, minor_radius_m, toroidal_field_T, plasma_current_MA, elongation, triangularity, density_1e20_m3, temperature_keV, heating_MW, tf_coils) and get plasma volume, safety factor q95, Greenwald density limit, normalised beta, confinement time (IPB98), triple product, fusion power, Q, peak coil field and required superconductor class, plus a 3D model of the plasma and magnets, a cross-section DXF and a component list.

Quick engineering checks.

Describe a project in plain language ('a 6 ft workbench', 'bookshelf 800 x 300 x 1800 mm', 'raised garden bed 2 m x 1 m', 'a desk 1200x600', 'a toy chest') and get a complete design: 3D model (STL + viewer), AutoCAD DXF with a to-scale cut layout, SVG drawing, cut list, bill of materials with estimated cost, fastener count, weight, and a step-by-step build report.

Reverse engineer a physical part or object from a 3D scan or mesh (STL binary/ASCII, OBJ, ASCII PLY; send as data_base64 or as text in data_text).

Describe a building in plain language ('two storey house, 3 bedrooms, 2 baths, open kitchen, about 180 m2'; also offices, schools, shops).

Screen an existing project for weaknesses and improvements.

Check a job started by any other tool.

Show how many media minutes (credits) are left on this API key.

Free.