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Ten everyday tools · one honest app

The file tools you need,
with privacy up front.

Arolel is a small suite of utilities built in Rails. Most file tools run entirely in your browser. Contract drafts, saved signatures, and document conversions only touch the server when the feature actually needs it.

Draft a contract Merge a PDF Convert a HEIC

The tools

01 · 02 · 03 · 04 · 05 · 06 · 07 · 08 · 09 · 10
01
HEIC → JPG
Convert iPhone HEIC photos to JPG, PNG or WebP. Bulk, unlimited, runs locally.
runs in your browser /heic-to-jpg
02
PDF tools
Merge, split, rotate, compress locally. Convert PDF, DOCX, CSV and page images when a server engine is needed.
browser + temporary server tools /pdf/merge
03
Is It Down?
Paste any URL, get a status. Save a list of hosts as a shareable board you can send your team.
server-side · shareable /down
04
Bulk URL opener
Paste a list of URLs, open them all in tabs, or save as a shareable set you can reuse every Monday.
server-side · shareable /open
05
Image compress
Shrink JPG, PNG and WebP images. Resize, re-encode, save the difference — all in your browser.
runs in your browser /images/compress
06
Invoice maker
Three templates, line items, taxes. Download the PDF, or save to your dashboard if you sign up.
runs in your browser /invoice
07
Contract maker
Draft service agreements, NDAs and consulting contracts. Reuse saved signatures, shape the draft with AI, and export a PDF.
browser-first · saved signatures · AI option /contract
08
Sign PDF
Draw or type a signature, drop it on the page, download the signed PDF. We never see the document.
runs in your browser /sign
09
MP4 → MP3
Extract the audio from an MP4 video through a protected server queue. Better for reliability than browser-side FFmpeg.
temporary upload · protected queue /media/mp4-to-mp3
10
WebM → MP4
Convert a WebM recording to MP4 through a protected server queue with temporary files and strict limits.
temporary upload · protected queue /media/webm-to-mp4

What is Arolel?

Arolel is an open-source suite of everyday web utilities: a HEIC-to-JPG photo converter, a PDF merger/splitter/rotater/compressor, a contract maker with saved signatures, a site uptime checker with shareable boards, and a bulk URL opener that saves sets of links you can reopen with one click.

Most of these tools run entirely in your browser. Server-backed tools either need to be shareable, like uptime boards, need system conversion software, like DOCX/PDF conversion, or use your server-side OpenAI key for contract drafting. Everything is free, and accounts are optional unless you want saved workspace features.