TheTechBiscuitPrivate tools
Work with files and writing on your device. No uploads or account required.
How your files stay private
This page has no analytics. Files are processed in this tab, never uploaded or saved to a document history. The website still receives ordinary page requests.
Optional AI models download from Hugging Face before processing. That service sees the download request, not your documents. After loading, the model worker blocks network requests. There is no cloud fallback.
Loading the local tools…
01 / Documents
Work with a document
Organise pages, save selectable text, or redact before you share. Each task uses its own file. Nothing is uploaded.
Organise pages
Merge PDFs, keep just the pages you need, change their order or rotate them. Choose images instead to make a PDF.
- Choose
- Adjust
- Download
- Check copy
Your finished PDF will appear here to download and check.
Extract PDF text
Save selectable text from a PDF as a plain text file. Processing stays in this tab.
Scans and image-only PDFs have no selectable text. Reading order and layout may not survive. Choose a PDF up to 25 MB and 30 pages; this tool does not use OCR.
Choose a PDF to begin.
Redact privately
Remove selected words from text or PDFs. Optional AI suggests personal information; you decide what to remove.
Redacted PDF copies are flattened images: selectable text and accessibility structure are lost. Scans need manual marking; there is no OCR.
- Add document
- Mark
- Review
- Download
Optional AI suggestions 930 MB download
The experimental model can suggest personal information. It needs WebGPU and several GB of free memory, and it can still miss things. Manual exact-word and rectangle tools work without it.
1 Add the document
2 Mark what should disappear
Add text or a PDF to begin. Manual redaction needs no model.
3 Review every page
PDF exports are new image-only PDFs: selected text blocks and manually marked areas are burned into the pixels. A match in rotated text covers the whole page; review the preview. Original text layers, metadata, attachments and forms are not copied.
02 / Photos
Work with a photo
Resize, cut out the subject, edit, or see what the file carries. Each task uses its own file. Nothing is uploaded.
Make an image fit
Resize and convert a still image. Preview the result before saving it.
- Choose
- Adjust
- Review
- Download
The original and finished image will sit side by side here.
Keep the subject
Remove an image background, then brush away or restore any missed edges. Export a transparent PNG.
- Load model
- Choose
- Tidy
- Download
Put the background remover on this device
The model downloads only when you ask. Once it’s ready, background removal runs on your device without network access.
BiRefNet Lite, sized for 512 px analysis. A supporting GPU uses about 94 MB; other devices need about 183 MB. The browser may reuse the download next time.
2 Choose an image
Download the model to begin.
3 Check and tidy the edges
Drag to paint. Keyboard: focus the image, use arrow keys to move the brush, hold Shift for larger steps, and press Space to paint.
Edit a photo
Frame the moment, tune its light and colour, then check the result before saving.
- Choose
- Adjust
- Review
- Download
PNG, JPEG and WebP up to 40 MB / 50 megapixels. The working image is capped at 4,096 pixels on its longest edge. Animated images become still. Export makes a new file, strips metadata such as EXIF, and never changes the original.
Choose an image to begin.
See what a photo carries
View EXIF in JPEG, PNG or WebP. Edit common fields or make a clean JPEG copy without recompressing its pixels.
Edits can leave old metadata bytes in the file. For privacy, the clean copy removes EXIF, XMP, IPTC and comments while preserving colour profiles and pixels. Check any copy before sharing.
1 Choose an image
Up to 40 MB. Files stay in this tab.
Choose an image to inspect its metadata.
03 / Writing
Inkwell
Proofreading now has its own app. Inkwell checks spelling, grammar and style as you write, suggests clearer and more confident wording, and keeps your drafts on this device.
- Underlines and one-click fixes in your text
- Goals, a writing score, tone and consistency checks
- Synonyms and optional local AI rewrites
- Install it as an app; it works offline
Your dictionary, ignored suggestions and rule choices carry over from this page. Nothing you write is uploaded.
Your session, your choice
Keep the tools available for your next visit, even without a connection. Only the tools are saved, never your files. AI models are cached separately after downloading. Your browser may clear either cache when storage is low.
Clear the session to release your files and loaded models. This reloads the page, so keep an offline copy first if you are disconnected.