Client Side Tools

6290 tools available

These tools run entirely in your browser. Everything you enter, from text and numbers to images, PDFs, and other files, is processed locally on your device and never uploaded to a server. No sign up or installation needed.

Insert an image into a macOS or Windows style window frame and export the result as a PNG or JPG mockup.
Visualize your entire life as a grid of blocks, choosing weeks, months, or years per block, with your birthday and notable life events highlighted.
Test and measure your monitor refresh rate in Hz using requestAnimationFrame
View damaged image files and automatically repair common JPEG, PNG, and GIF corruption issues like missing end markers.
Convert between literal line breaks and escaped newline characters (\\n). Supports CRLF, CR, and LF line endings with bidirectional conversion.
Identify the source game console of a ROM or disc image file by inspecting its header signatures and checksums.
Resize a single image into multiple custom sizes and download them individually or as a ZIP
View a live aurora borealis (northern lights) forecast map powered by NOAA OVATION data. Click anywhere on the map to see the current aurora visibility chance for that location.
Convert GitHub Copilot AI credits to US dollars and back. GitHub bills Copilot usage in AI credits, where 1 AI credit equals $0.01 USD.
Extract email attachments from MBOX mailbox files and download them individually or as a ZIP archive.
Write and format rich text with a WYSIWYG toolbar, then switch to the HTML source tab to view, edit, or copy the generated markup.
Reorder, rearrange, and remove pages in a PDF by dragging page thumbnails, then download the updated file.
Rotate PDF pages left or right, one at a time or all at once. Check the result on page thumbnails, then download the rotated file.
Reverse the page order of a PDF so the last page comes first. Check the new order on page thumbnails, then download the reversed file.
Extract specific pages from a PDF into a new file. Tick pages on thumbnails or type ranges such as 1-3, 5, then download only those pages.
Remove specific pages from a PDF. Tick them on page thumbnails or type page numbers and ranges, then download the file without them.
Automatically detect and remove duplicate pages from a PDF. Review flagged pages, adjust the selection, and download the cleaned-up file.
Combine multiple PDFs into one file. Upload PDFs, drag their page thumbnails into the order you want, then merge and download.
Extract and download files embedded as attachments inside a PDF document.
Attach files to a PDF document and download the result, with a tree view of existing and new attachments.
Generate cURL commands for OpenAI-compatible API endpoints. Configure base URL, endpoint, model, prompt, temperature, and other parameters for chat, completions, and embeddings requests.
Turn any photo into an x-ray scan style image with adjustable intensity, contrast, glow, and tint, right in your browser.
Create a free online kanban board with drag and drop columns and cards. Rename columns, reorder cards, and import or export your board as JSON.
Calculate the price per square meter of a flat, house, or land plot from the total price and area. Also shows the price per square foot and square yard.