The catalogue
Every tool, and where each one runs.
Small tools that each finish one job. Every one says up front whether it works on your machine or sends an address to ours.
Social & meta
- Favicon GeneratorOne image to a complete icon set, in your browserSocial & metaRuns in your browser
- Favicon CheckerPoint it at a site and see what its favicon setup is missingSocial & metaRuns on our server
- Open Graph CheckerSee what a share of your page looks like, and fix the tags behind itSocial & metaRuns on our server
- OG Image GeneratorA social card at 1200×630, made in your browser from any imageSocial & metaRuns in your browser
SEO & indexing
- Redirect CheckerFour ways to write your address — see where each one landsSEO & indexingRuns on our server
- robots.txt TesterPaste a URL and see whether your robots.txt lets it be crawledSEO & indexingRuns on our server
- Canonical CheckerWhat your page says its address is, and whether that holds upSEO & indexingRuns on our server
- AI Crawler AccessWhat robots.txt says for named AI crawlers, and whether the page has textSEO & indexingRuns on our server
- Schema Markup GeneratorA JSON-LD block for your page, with a source beside every requirementSEO & indexingRuns in your browser
- llms.txt CheckerRead a site’s llms.txt against the specification that defines itSEO & indexingYour browser, or our server
- llms.txt GeneratorBuild an llms.txt out of what your own pages already saySEO & indexingYour browser, or our server
- Sitemap ReportWhat your sitemap declares, and how much of it we could readSEO & indexingRuns on our server
- Structured Data ReportWhich blocks your page publishes, and what each one is missingSEO & indexingRuns on our server
- hreflang CheckerThe language versions a page lists, and the one it forgets to listSEO & indexingRuns on our server
- Page Dates CheckerThe dates a page publishes about itself, and whether they agreeSEO & indexingRuns on our server
Diagnostics & security
Image & asset
- Image ConverterOne image out as PNG, JPEG and WebP — with the byte size of eachImage & assetRuns in your browser
- Image CompressorMake one image smaller, and see exactly what that costImage & assetRuns in your browser
- Image ResizerOne image at a size you choose, with what that size costsImage & assetRuns in your browser
- Image CropperKeep the part of a picture you want, and turn or mirror itImage & assetRuns in your browser
- Colour Palette ExtractorThe colours in an image, counted, with the share each one coversImage & assetRuns in your browser
- Image EditorCrop, turn, mirror, pad and resize a picture on one screenImage & assetRuns in your browser
- Images to PDFSeveral images into one PDF, in your browserImage & assetRuns in your browser
- SVG OptimiserA smaller SVG, and proof the picture survivedImage & assetRuns in your browser
- PDF Page OrganiserReorder, turn and remove pages in a PDFImage & assetRuns in your browser
- PDF Page ExtractorTake the pages you need out of a PDFImage & assetRuns in your browser
- PDF MergerJoin several PDFs into one documentImage & assetRuns in your browser
- PDF CropperTake the margins off every page of a PDFImage & assetRuns in your browser
- PDF FlattenerTurn every page of a PDF into a picture of itselfImage & assetRuns in your browser
- PDF Image ExtractorTake the pictures out of a PDF, or save each page as oneImage & assetRuns in your browser
- Colour PickerThe exact colour of one pixel, at the file’s own sizeImage & assetRuns in your browser
- Image AnnotatorDraw named boxes on your own picture, in your browserImage & assetRuns in your browser
- PDF Page SizePut every page of a PDF on a sheet you chooseImage & assetRuns in your browser
- PDF File SizeWhat a PDF is made of, and where its bytes actually areImage & assetRuns in your browser
- GIF MakerPictures into one animated GIF, in your browserImage & assetRuns in your browser
- GIF FramesEvery frame of an animated GIF as a PNG, in your browserImage & assetRuns in your browser
- EXIF Viewer & RemoverSee a photo’s location and camera data, and remove itImage & assetRuns in your browser
- Protect PDFLock a PDF with a password, without uploading itImage & assetRuns in your browser
- Trim VideoCut a clip out of an MP4 or MOV, without re-encoding itImage & assetRuns in your browser
- PDF Page NumbersNumber the pages of a PDF, without uploading itImage & assetRuns in your browser
- Watermark PDFStamp text across the pages of a PDF, without uploading itImage & assetRuns in your browser
- Redact PDFBlack out parts of a PDF, with the text under the boxes taken out of the fileImage & assetRuns in your browser
- Sign PDFPut a picture of your signature on a PDF page, without uploading itImage & assetRuns in your browser
- PDF AnnotatorAdd text, boxes, arrows and highlights to a PDFImage & assetRuns in your browser
- Crop VideoCrop an MP4 or MOV to 9:16, square or any rectangleImage & assetRuns in your browser
- Video StudioTrim, crop and rotate a video on one screenImage & assetRuns in your browser
- PDF to ImageEvery page of a PDF as a PNG or JPG, at the resolution you chooseImage & assetRuns in your browser
- Screenshot BeautifierPut a screenshot on a background, with padding, rounded corners and a shadowImage & assetRuns in your browser
- Rotate ImageTurn a picture by 90°, 180° or 270°, or flip it, without uploading itImage & assetRuns in your browser
- Crop GIFCut a rectangle out of every frame of an animated GIFImage & assetRuns in your browser
- Resize GIFMake an animated GIF smaller or larger, keeping its shapeImage & assetRuns in your browser
- Compress GIFMake an animated GIF lighter with fewer colours, lossy or fewer framesImage & assetRuns in your browser
- Discord Emoji MakerAny picture as a 128 × 128 Discord emoji under 256 KBImage & assetRuns in your browser
- Slack Emoji MakerAny picture as a square Slack emoji under 128 KBImage & assetRuns in your browser
- WhatsApp Sticker MakerAny picture as a 512 × 512 WebP sticker under 100 KBImage & assetRuns in your browser
- Telegram Sticker MakerAny picture as a Telegram sticker, 512 on the longer sideImage & assetRuns in your browser
Link & campaign
Readiness & reports
Developer Desk
- JSON FormatterIndent or minify JSON without changing a valueDeveloper DeskRuns in your browser
- JWT DecoderRead a JSON Web Token’s header, payload and expiryDeveloper DeskRuns in your browser
- Base64 & URL EncoderBase64, Base64URL and URL encoding, both waysDeveloper DeskRuns in your browser
- UUID Generatorv7 and v4 UUIDs, and the time inside any UUIDDeveloper DeskRuns in your browser
- Hash GeneratorSHA-256 of text or a file, checked against the published hashDeveloper DeskRuns in your browser
- Password GeneratorStrong passwords and passphrases, with their real strengthDeveloper DeskRuns in your browser
- Regex TesterJavaScript regex, run in your browser’s own engineDeveloper DeskRuns in your browser
- Text & JSON DiffWhat changed between two texts, or two JSON documentsDeveloper DeskRuns in your browser
- Cron ExplainerA cron expression in words, and its real next runsDeveloper DeskRuns in your browser