All free tools
28 focused tools with a single job each. Search for what you need or browse by category.
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SEO tools
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GEO & AI SEO CheckerCheck if your website is optimized for AI search engines like ChatGPT and Perplexity (checks llms.txt, robots.txt, and schema).
Open Graph Image CheckerInspect a page's Open Graph and Twitter card image setup before you share it.Meta Tags CheckerInspect all meta tags including title, description, Open Graph, Twitter cards, and canonical URL.
Favicon CheckerCheck for favicon, apple-touch-icon, and web app manifest configuration.
Robots.txt TesterAnalyze the robots.txt file at the domain root for sitemap references and crawl rules.
XML Sitemap ValidatorValidate the sitemap.xml file and check URL count and structure.Canonical URL CheckerCheck if the canonical URL tag is properly set and matches the final URL.
Google Indexing CheckerCheck robots.txt and sitemap.xml together to spot indexing issues before Google does.On-Page SEO CheckerRun one complete check for metadata, canonical tags, robots.txt, and sitemap signals.Image tools
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Image CompressorReduce image file size without losing quality. Compress PNG, JPG, and WebP images locally in your browser for maximum privacy and speed.
AI Background RemoverRemove image backgrounds instantly and privately. Uses AI to detect the subject and erase the background entirely in your browser.SVG OptimizerClean up and minify SVG code to reduce file size. Strips redundant tags, comments, and metadata while keeping your graphics intact.File ConverterConvert videos, audio, PDFs, images and data files between formats in your browser. MP4, MOV, MP3, PDF, PNG, HEIC, JSON, CSV and more, with nothing uploaded.WebP to PNG ConverterConvert WebP images to PNG in your browser, with transparency kept and nothing uploaded.PNG to WebP ConverterConvert PNG images to WebP in your browser for much smaller files, transparency included.JPG to WebP ConverterConvert JPG and JPEG photos to WebP in your browser to save space without uploading anything.HEIC to JPG ConverterConvert iPhone HEIC and HEIF photos to JPG in your browser so they open anywhere.Simple Blog Banner MakerMake a blog banner from a title and a colour or your own photo. Download a PNG or JPG with no watermark.File tools
View all →Metadata Viewer & RemoverSee the hidden data in a photo, video or PDF, such as GPS location, camera and author, and remove it. Runs in your browser, nothing is uploaded.PDF Password RemoverRemove the password from a PDF you can open, or lift print and copy restrictions. The file is unlocked in your browser and never uploaded.Developer tools
View all →JSON Formatter & ValidatorClean, format, and validate messy JSON data instantly. All processing is done locally in your browser for privacy.
JSON Schema GeneratorPaste JSON and get a JSON Schema for it. Built for LLM structured outputs, API validation and docs.Random JSON GeneratorGenerate random sample JSON from a preset or your own JSON Schema, with a seed for repeatable data.Game dev tools
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Sprite Sheet PackerPack loose PNG sprites into one texture atlas with a JSON, XML or Godot coordinate map. Trim, pad and extrude in your browser, with no uploads.
Normal Map GeneratorTurn a height map or any texture into a tangent-space normal map. Adjust strength, pick OpenGL or DirectX and keep it tileable, all in your browser.
Texture Channel PackerCombine metallic, AO, roughness and smoothness maps into the RGBA channels of one texture. Presets for Unity HDRP, URP and ORM. Runs in your browser.
Cubemap Texture GeneratorBuild a Unity skybox cubemap from six face images. Exports strip and cross layouts in your browser.Marketing tools
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Tools by job
The same tools, grouped by task and by who uses them.
Free SEO ToolsSmall, focused checkers for the technical SEO basics. Paste a URL, get a clear answer, fix what is broken.10 toolsFree Image ToolsCompress, convert and clean up images without uploading them. Every tool on this page runs on your own device.9 toolsFree File ToolsClean, unlock and convert files without uploading them. Every tool on this page works on your own device.5 toolsFree Game Dev ToolsThe texture chores between your art tool and your engine: pack the sprites, bake the normals, combine the maps, build the skybox.4 toolsFree Tools for DevelopersThe small utilities you reach for mid-task: format a payload, generate a schema, clean an SVG, sanity-check a deploy.10 toolsFree Tools for MarketersCheck a landing page before the campaign goes out: tracked links, share previews, and the on-page basics.7 toolsFree Tools for DesignersFinish the handoff: cut out a subject, shrink the exports, clean the SVGs, and check the icons and share image on the live site.9 tools