Edit PDFs, convert images, format code, and more. Free, private, and instant — every file is processed right here, on your device.
No installs, no accounts. Click any tool to open it.
Add text, images, and annotations to any PDF.
open →Combine multiple PDFs into a single file.
open →Extract pages or split into separate files.
open →Shrink file size without losing quality.
open →Convert PDFs into editable documents.
open →Rotate every page by 90, 180, or 270°.
open →Stamp a text watermark on every page.
open →Render each PDF page as a JPG image.
open →Reduce JPG, PNG & WebP size instantly.
open →Convert between PNG, JPG, WebP, and more.
open →Resize or crop to exact dimensions.
open →Cut out backgrounds in one click.
open →Turn images into a single PDF document.
open →Crop an image by dragging a selection.
open →Convert an image to a Base64 data URI.
open →Beautify, minify & validate JSON.
open →Encode & decode Base64 strings and files.
open →Write Markdown with live preview.
open →Generate MD5, SHA-1, SHA-256 hashes.
open →Generate random UUIDs instantly.
open →Generate placeholder text on demand.
open →Convert text between upper, lower & camelCase.
open →Convert JSON to CSV or CSV to JSON.
open →Convert JSON to YAML or YAML to JSON.
open →Beautify & validate XML.
open →Encode & decode URLs and query strings.
open →Decode a JSON Web Token's header & payload.
open →Escape & unescape HTML entities.
open →Test regex patterns with live match highlighting.
open →Create QR codes for links and text.
open →Pick colors & get HEX, RGB, HSL values.
open →Convert Unix timestamps to dates and back.
open →Searchable lookup for every status code.
open →Build & understand cron expressions.
open →Beautify SQL queries with clause indentation.
open →Strip comments & whitespace from CSS.
open →Strip comments & whitespace from HTML.
open →Strip comments & whitespace from JavaScript.
open →Generate strong, random passwords.
open →Generate random strings in bulk.
open →Compare two texts line by line.
open →GlaeKit is a free collection of 41 browser-based tools for editing PDFs, converting images, and working with code — JSON formatting, Base64 encoding, hashing, QR codes, and more. Every tool runs entirely as client-side JavaScript: your file or text is read, processed, and returned inside your own browser tab. Nothing is uploaded to a server, which means there's no file size limit tied to an upload, no account to create, and no waiting on a network round trip.
That local-first approach is a deliberate tradeoff: GlaeKit's tools are simpler than a full desktop suite by design, built for the common case — stamp some text on a PDF, shrink an image, validate a JSON payload — rather than every edge case a paid application handles. If you need to do something quickly without installing software or trusting a third-party server with your file, that's what GlaeKit is for.
All tools run entirely in your browser. Nothing is uploaded, nothing is stored, nothing is watching.