All free online tools
Every tool below runs in your browser — your files are not uploaded. No account and no watermark.
Featured tools
Our polished core set — the tools we recommend first.
Merge PDF
Combine several PDF files into one merged.pdf, in the order you arrange them.
Open ToolSplit PDF
Cut a PDF into page ranges or fixed-size chunks; get a PDF or a ZIP of PDFs.
Open ToolCompress PDF
Shrink a scanned or photo-heavy PDF by up to 90 percent, or strip its metadata while keeping the text selectable.
Open ToolPDF to Word
Pull the text out of a PDF into an editable .docx. No OCR, layout or images.
Open ToolWord to PDF
Turn a .docx into an A4 PDF in your browser. Basic formatting only; the PDF is image-based.
Open ToolPDF to Excel
Extract text from a PDF into an .xlsx, one sheet per page, split into columns by spacing.
Open ToolExcel to PDF
Convert every sheet of an Excel workbook into a plain-table A4 PDF. Formatting and charts are dropped.
Open ToolPDF to JPG
Turn each PDF page into a JPG at 2x scale. Multi-page files download as a ZIP.
Open ToolJPG to PDF
Combine JPG photos into one PDF, one image per page, in the order you arrange them.
Open ToolPDF to PNG
Turn every page of a PDF into a PNG image; multi-page files download as a ZIP.
Open ToolPNG to PDF
Combine up to 50 PNG images into one PDF, one image per page, in the order you set.
Open ToolPDF to PowerPoint
Turn PDF page text into an editable PowerPoint file, one slide per page.
Open ToolPowerPoint to PDF
Turn the text of each PowerPoint slide into a simple PDF page, right in your browser.
Open ToolRotate PDF
Rotate all pages of a PDF by 90, 180 or 270 degrees and download the corrected file.
Open ToolDelete PDF Pages
Type the page numbers or ranges to remove and download the PDF without them.
Open ToolExtract PDF Pages
Type page numbers or ranges and get a new PDF with only those pages.
Open ToolReorder PDF Pages
Rearrange PDF pages by typing the new page order, e.g. 3,1,2,5,4.
Open ToolAdd Watermark
Overlay a text watermark on every PDF page with adjustable size, opacity and rotation.
Open ToolOCR PDF
Recognise text in scanned PDFs or images in your browser and download it as TXT or a searchable PDF.
Open ToolDiscount Calculator
Work out a sale price and savings from a percentage discount.
Open ToolDays Between Dates Calculator
Find calendar days and weeks between two selected dates.
Open ToolImage Compressor
Reduce an image's file size with a quality slider, output format choice and optional max dimensions.
Open ToolImage Converter
Convert an image to PNG, JPEG or WebP, with a quality slider for lossy formats.
Open ToolMore tools
Additional utilities. We are raising quality on these next.
Remove Image Background
Remove the background from a portrait with an on-device AI model, or from a plain-colour image by colour matching.
Open ToolFill PDF Form Online Free — Auto-Detect Fields | Synthixx Tools
Fill interactive PDF form fields, or add typed text to any page of a flat PDF.
Open ToolJPG to PNG
Convert a single JPG/JPEG image to PNG in your browser, without uploading it.
Open ToolJPG to WebP
Convert a single JPG to WebP in your browser at a fixed quality, with no upload.
Open ToolHTML to PDF
Paste HTML code and download it as a multi-page A4 PDF, rendered in your browser.
Open ToolImage Resizer
Resize up to 50 images to set pixel dimensions with contain, cover or stretch modes.
Open ToolCompress Image to KB
Bring a photo under an exact size limit such as 20 KB or 100 KB, keeping as much quality as the limit allows.
Open ToolPNG to JPG
Convert a single PNG to a smaller JPG in your browser; transparent areas become white.
Open ToolPDF to HTML
Extract PDF text into a clean, single HTML file with one section per page.
Open ToolWebP to JPG
Convert a single WebP image to JPG in your browser; transparent areas become white.
Open ToolPNG to WebP
Convert a single PNG to WebP in your browser, keeping transparency where the browser supports it.
Open ToolEPUB to PDF
Convert an EPUB ebook to a PDF you can print or read anywhere, in your browser.
Open ToolImage Crop
Crop an image by dragging a box or typing exact pixel values, with 1:1, 4:3, 16:9 and 3:2 presets.
Open ToolAdd Logo to Image
Overlay a logo image on a photo with position, opacity and size controls.
Open ToolBulk Image Converter
Convert up to 100 images to PNG, JPEG, WebP or AVIF in your browser; several files download as a ZIP.
Open ToolInstagram Post Resize
Crop a photo to a 1080×1080 square, choosing which part is kept.
Open ToolYouTube Thumbnail Resize
Crop an image to a 1280×720 YouTube thumbnail, choosing which part is kept.
Open ToolWebP to PNG
Convert a single WebP image to a lossless PNG in your browser, keeping transparency.
Open ToolCSV to PDF Converter Online Free — Table Format | Synthixx Tools
Turn a simple comma-separated file into a landscape A4 PDF table with a header row.
Open ToolAdd Page Numbers
Stamp numbers on every PDF page: pick the position, font size and optional prefix or suffix.
Open ToolAdd Text to Image
Write a line of text onto an image with your own size, colour and position.
Open ToolBulk Image Compressor
Compress up to 100 images with one quality slider in your browser; multiple files come back as a ZIP.
Open ToolSocial Media Resize
Resize one image to exact social media sizes and choose which part is kept.
Open ToolPDF Page Operations
A menu that links to the PDF tools for rotating, deleting, extracting, reordering and cropping pages.
Open ToolPDF to EPUB
Turn PDF text into a basic EPUB with one chapter per page for e-readers.
Open ToolPakistan Visa Photo Resizer
Crop a photo to 35 × 45 mm for a Pakistan online visa application and keep it well under the 350 KB limit.
Open ToolFPSC Photo Resizer
Crop a passport-size photo and bring it under the 30 KB limit an FPSC online application asks for.
Open ToolPPSC Photo & CNIC Resizer
Crop a photo to 3.5 × 4.5 cm, or a CNIC to 8.6 × 5.4 cm, and bring it under the PPSC upload limit.
Open ToolImage Rotate
Rotate an image by any angle from -180 to 180 degrees and flip it, right in your browser.
Open ToolImage Stamp
Stamp a seal, badge or signature image onto a photo at a chosen spot.
Open ToolBulk Image Resize
Resize up to 100 images to one width and height in your browser; several files download as a ZIP.
Open ToolAVIF to JPG
Convert a single AVIF image to JPG in your browser, if your browser can decode AVIF.
Open ToolAdd Header & Footer
Add a centred header and footer, with {page} and {total} tokens, to every page of a PDF.
Open ToolRemove Watermark
Deletes all annotations from a PDF. It cannot remove watermarks drawn into the page content.
Open ToolCompress PDF to a Set Size
Fit a PDF under any size limit from 20 KB to 20 MB, and see plainly when it cannot.
Open ToolCompress PDF to 100KB
Fit a PDF under 100 KB: one page at a comfortable resolution, two at the floor.
Open ToolCompress PDF to 200KB
Fit a PDF under 200 KB: a page or two at good quality, five at the floor.
Open ToolCompress PDF to 500KB
Fit a PDF under 500 KB: two pages at 130 dpi, five at 96, eight at 72.
Open ToolCompress PDF to 1MB
Fit a PDF under 1 MB: three pages at 150 dpi, five at 130, eight at 96.
Open ToolCompress PDF to 2MB
Fit a PDF under 2 MB: five pages at 150 dpi, eight at 130, twelve at 110.
Open ToolBulk Image Watermark
Add one text watermark to up to 100 images in your browser; several results download as a ZIP.
Open ToolLinkedIn Banner
Crop an image to LinkedIn’s recommended 1584×396 background photo size.
Open ToolFlatten PDF
Turn fillable PDF form fields into fixed page content that can no longer be edited.
Open ToolImage Watermark
Add a centred text watermark to an image with adjustable size, opacity and colour.
Open ToolAspect Ratio Converter
Change an image to 1:1, 4:3, 16:9, 3:2, 9:16 or 2:3 by cropping or padding.
Open ToolFacebook Cover Maker
Crop an image to Facebook’s documented 851×315 Page cover size.
Open ToolYouTube Banner Resize
Crop an image to a 2560×1440 channel banner with YouTube’s safe-area guide.
Open ToolRemove EXIF
Drop EXIF and other embedded metadata by re-encoding one image in your browser.
Open ToolResize by Percentage
Scale an image to 10 to 200 percent of its original size, keeping proportions.
Open ToolX Header
Crop an image to X’s recommended 1500×500 header, with a crop-risk guide.
Open ToolCompress Image to 200KB
Bring a photo under 200 KB for websites, listings and high-quality uploads, keeping it large and detailed.
Open ToolCompress Image to 100KB
Bring a photo under 100 KB for uploads and email, keeping it large enough to look good on screen.
Open ToolCompress Image to 50KB
Get a photo or document scan under 50 KB for portals and application uploads, while keeping text and faces clear.
Open ToolCompress Image to 20KB
Make a photo or signature smaller than 20 KB for job, exam and application forms, keeping it as sharp as the limit allows.
Open ToolWallpaper Resize
Crop an image to 1920×1080, 2560×1440 or 3840×2160 and choose which part is kept.
Open ToolCanvas Resize
Place an image on an exact-size canvas, centred, with a padding colour filling the empty space.
Open ToolApp Icon Generator
Turn one image into square iOS and Android app icon PNGs, delivered as a ZIP.
Open ToolFavicon Generator
Make a ZIP of square PNG favicons (16 to 256 px) from one image, in your browser.
Open ToolImage Information
See an image's width, height, format, file size, alpha guess and aspect ratio in your browser.
Open ToolCombine Files to PDF
Combine up to 50 images into one PDF, one image per page, in your browser.
Open ToolBMP to PNG
Convert a single BMP bitmap to a lossless PNG in your browser, with no upload.
Open ToolBulk Merge PDF
Merge up to 200 PDFs into one file in your browser, in your chosen order.
Open ToolPDF Automation Workflow (Template)
Chain compress, flatten, metadata removal and page numbering on one PDF in a single run.
Open ToolPDF Diff Viewer
Compare two PDFs by page count, page sizes and metadata, and download a .txt report.
Open ToolPDF to ZIP
Split a PDF into one PDF per page, downloaded as a ZIP (page-1.pdf, page-2.pdf, ...).
Open ToolOptimize PDF for Web
Re-save a PDF with object streams and optional metadata removal or form flattening.
Open ToolPDF Booklet Creator
Lay out a PDF as a 2-up saddle-stitch booklet on landscape sheets.
Open ToolPDF Metadata Editor
Set the title, author, subject and keywords of a PDF and download the updated copy.
Open ToolPDF Metadata Remover
Blank the title, author, subject, keywords, creator and producer fields of a PDF.
Open ToolPDF Page Size Converter
Set every PDF page to A4, Letter, Legal, A3, A5 or Tabloid, scaling and centring the content.
Open ToolRepair PDF
Re-save a slightly damaged PDF through pdf-lib in your browser to rebuild its structure.
Open ToolSign PDF
Stamp a typed name on the last page of a PDF at one of six preset positions.
Open ToolVerify PDF Signature
Check a PDF for signature fields and get a .txt report with document details. No certificate validation.
Open Tool