DOCX numbering diagnostics
Trace a Word paragraph’s list numbering through styles, numbering definitions and level overrides without uploading the document.
See an example →Files & images
Merge and organise PDFs, turn images into documents, and crop or compress images without uploading files.
Local EML email inspector
Open saved email locally, inspect headers and plain text, and download selected attachments.
See an example →Paper box-net generator
Generate a rectangular tray and optional lid, preview their assembly in 3D and download SVG/PDF cutting templates.
See an example →Local folder-size map
See a selected folder's size treemap, largest files and totals by extension without reading file contents.
See an example →Poster and pattern tiler
Print one large image or PDF page across overlapping A4 or Letter sheets with trim marks and an assembly map.
See an example →Colour-vision simulation preview
Compare a screenshot under named colour-vision simulations and export labelled PNG images.
See an example →Font preview & glyph checker
Preview a local TTF or OTF font, check sample code-point coverage and export an SVG specimen.
See an example →Video frame extractor
Extract PNG or JPEG stills at selected timestamps from a local video and download a timestamp manifest.
See an example →File splitter and reassembler
Split a local file into numbered chunks and verify each checksum before reconstructing it from a manifest.
See an example →STL model inspector
Rotate a local STL wireframe and inspect model dimensions and triangle counts.
See an example →SVG path editor
Edit vector endpoints and control points, scale or move a path and export SVG with bounds.
See an example →PDF form filler
Fill existing PDF form fields and checkboxes, preview the result and download a missing-field report.
See an example →Printable label sheets
Convert CSV records into printable PDF labels with adjustable dimensions, margins and overflow warnings.
See an example →Image difference checker
Highlight changed pixels between two screenshots and measure the percentage changed.
See an example →PDF watermarks & page numbers
Stamp review copies and number selected PDF pages with configurable placement and opacity.
See an example →Image contact-sheet maker
Create labelled thumbnail grids from photos and export PDF or JPEG sheets.
See an example →Batch file renamer
Preview prefixes, numbering and literal replacements, then download renamed file copies in a ZIP.
See an example →Screenshot annotation
Add arrows, numbered markers and text to a screenshot, then export PNG privately in your browser.
See an example →ZIP creator & extractor
Bundle local files into a ZIP or inspect an archive and extract selected entries with explicit limits.
See an example →Subtitle timing fixer
Shift SRT or WebVTT subtitles and correct gradual timing drift, then export repaired timestamps.
See an example →Image palette extractor
Find representative image colours and copy HEX values or CSS custom properties.
See an example →PDF splitter & page organiser
Organise PDF pages, inspect and reduce supported embedded images, and review bookmarks before a local export.
See an example →Images to PDF
Turn photos and screenshots into a PDF, with ordering, page sizes and margins. Files stay on your device.
See an example →Image cropper & resizer
Crop, rotate and resize images to exact dimensions, then download individually or as a batch.
See an example →PDF merger
Bring your PDFs together. Choose the order, merge, and download.
See an example →Image compressor
Resize an image manually or compare JPEG and WebP at the same dimensions against a target byte size.
See an example →