Local tool directory
Choose the exact operation.
Every registered tool declares its input, output, engine, limitations and local-processing contract.
43 of 43 tools
Image converter
Convert PNG, JPEG and WebP images without uploading them.
Open toolResize images
Resize one or many images by exact or bounding dimensions.
Open toolCompress images
Reduce image size by quality or search for a target file size.
Open toolInspect image metadata
Read dimensions, EXIF, GPS, IPTC, XMP and colour-profile fields locally.
Open toolRemove image metadata
Re-encode images to remove EXIF and location metadata.
Open toolFavicon and app-icon set
Create common favicon, Apple touch and PWA icon sizes in one ZIP.
Open toolSVG to PNG
Render SVG markup with the self-hosted Resvg WebAssembly engine.
Open toolMerge PDFs
Combine multiple PDFs in the order you choose.
Open toolSplit a PDF
Export every page as an individual PDF in one ZIP.
Open toolExtract PDF pages
Create a new PDF from selected page numbers and ranges.
Open toolRotate PDF pages
Rotate all pages or an exact page selection.
Open toolWatermark PDF
Add a repeated diagonal text watermark to every page.
Open toolAdd PDF page numbers
Add centred page numbers to every page.
Open toolImages to PDF
Place JPEG and PNG images into a PDF in the selected order.
Open toolInspect PDF
Read page sizes, rotations and document metadata.
Open toolCreate ZIP archive
Package multiple files into a streaming ZIP archive.
Open toolExtract ZIP archive
Extract a ZIP locally with path and expansion safeguards.
Open toolGZIP compress or decompress
Create or extract a GZIP stream locally.
Open toolCSV to JSON
Convert CSV rows into JSON objects or arrays.
Open toolJSON to CSV
Convert an array of JSON records into CSV.
Open toolJSON, YAML and XML converter
Convert common structured-data formats locally.
Open toolJSON and Schema validator
Validate JSON syntax and optionally test an Ajv JSON Schema.
Open toolSpreadsheet converter
Convert XLSX, CSV and JSON tables between common formats.
Open toolText cleaner
Trim, sort, deduplicate and remove blank lines.
Open toolBase64 encoder and decoder
Encode text or files and decode Base64 locally.
Open toolURL encoder and decoder
Encode or decode URL components.
Open toolHTML entity encoder and decoder
Escape or decode common HTML entities.
Open toolHash and checksum
Generate SHA checksums for text or a file with Web Crypto.
Open toolUUID and secure token generator
Generate cryptographically secure UUIDs or URL-safe tokens.
Open toolQR code generator
Generate a scalable QR code as SVG.
Open toolJWT inspector
Decode JWT headers and claims without presenting them as verified.
Open toolRegular-expression tester
Run a JavaScript regular expression and inspect matches.
Open toolText difference
Compare two blocks of text line by line.
Open toolUnit converter
Convert compatible measurement units with a local catalogue.
Open toolPercentage, margin and markup
Calculate percentages with decimal-safe arithmetic.
Open toolDate difference
Calculate calendar days, hours and minutes between dates.
Open toolAspect-ratio calculator
Simplify dimensions and calculate matching width or height.
Open toolVideo file-size estimator
Estimate output size from duration and aggregate bitrate.
Open toolAudio and video converter
Convert a supported media file with self-hosted FFmpeg WebAssembly.
Open toolExtract audio from video
Export an audio-only file from a video.
Open toolInspect media codecs
Inspect streams, codecs, duration and container metadata.
Open toolInspect 3D mesh
Read dimensions, mesh counts, vertices and triangles.
Open toolConvert 3D mesh
Convert supported mesh inputs to OBJ or STL.
Open tool