All articles
Curated reviews and guides — newest first.
The Complete Freelancer's PDF Workflow: 10 Free Tools, 4 Stages, $0/Year
I tracked every PDF I touched as a freelancer in March 2026 — across 47 client projects, 8 different PDF operations. Here's the workflow that costs zero per year vs Adobe Acrobat Pro at $239.88.
How to Compress PDF for Email Under 25MB (Gmail, Outlook, 2026)
Gmail caps attachments at 25MB, Outlook at 20MB. Most PDFs can shrink 50-80% in 30 seconds. Here's the decision tree and step-by-step guide.
How to Compress Images for Web in 2026 (Quality vs Size, JPG vs WebP vs AVIF)
Image compression has changed. WebP is universal, AVIF is mainstream. Here's the 2026 decision tree for compressing images for web with concrete quality/size tradeoffs.
How to Merge PDFs Without Adobe Acrobat (3 Free Methods Tested 2026)
Adobe Acrobat Pro now costs $19.99/month — that's $239.88/year just to merge PDFs. Here are 3 free methods tested in 2026: browser-side, self-hosted Stirling-PDF, and desktop apps.
Compress PDF Without Losing Quality: A Practical 2026 Guide
Gmail caps at 25MB, Outlook at 20MB. Most PDFs can shrink 30-80% without visible quality loss — if you pick the right preset. Here's the decision tree, with real before/after numbers.
ChatGPT vs Claude for PDF Analysis: Tested on a 200-Page Report (May 2026)
I tested Claude Opus 4.7 against GPT-5.5 on the same 200-page EU AI Act PDF, with and without converting to Markdown first. The format mattered more than the model — and the GPT-5.4 token pricing trap is real.
Best Free JSON Formatter Tools 2026: 5 Tested for Privacy + UX
Many JSON formatters secretly send your payload to their servers for analytics. We tested 5 tools — including 3 that work entirely in your browser, never uploading your tokens or PII.
Best Free QR Code Generators 2026: 5 Tools Without Tracking
Many 'free' QR generators secretly bake their tracking shortener into your QR code. Here are 5 generators that produce direct, untrackable QR codes — including 3 that work in your browser.
Best Free AI Grammar Checkers 2026: 5 Tools That Don't Rewrite Your Voice
Grammarly Premium is $144/year and tries to rewrite your style. We tested 5 free AI grammar checkers focused on objective error correction without homogenizing your voice.
Best Free Image Compressors 2026: 7 Tools Tested Side-by-Side
We tested 7 free image compressors with the same 4MB photo. Here's the compression ratio, quality, and privacy comparison — including 4 tools that don't upload your image.
Best Free Background Removers 2026: 5 AI Tools Compared
Remove.bg charges $0.20/image. Cleanup.pictures is paid. Here are 5 free background removers tested with the same image, including 3 that don't upload your photo.
Best Free PDF Merger Tools 2026: 5 Tested for Privacy + Speed
Most online PDF mergers upload your files to their servers. We tested 5 free PDF mergers, including 3 that combine PDFs entirely in your browser — your files never upload.
Free Grammarly Alternatives 2026: 5 Tools That Don't Rewrite Your Voice
Grammarly Premium is $12/month. Most free tiers nag-to-upgrade and rewrite your style. Here are 5 alternatives that fix only objective errors and respect your writing voice.
Free Remove.bg Alternatives 2026: 4 AI Background Removers Tested
Remove.bg charges $0.20 per image after 1 free trial per month. Here are 4 free alternatives, including 2 that run entirely in your browser using AI without cloud upload.
Free TinyPNG Alternatives 2026: 5 Tools That Match the Quality
TinyPNG has a 500KB free limit and a $39/year Pro tier. Here are 5 free alternatives that compress JPG and PNG without uploading your images, including 3 that run entirely in your browser.
Pickrack vs iLovePDF 2026: Free Tier Limits, Privacy, and Honest Comparison
iLovePDF caps free users at 200MB per task and 30 conversions per day. Pickrack has no daily quota. Here's the side-by-side breakdown of when each makes sense.
Pickrack vs Smallpdf 2026: Free Tier, Privacy, and Real Limits Compared
Smallpdf caps free users at 2 tasks per day and starts at $9/month for Pro. Pickrack has no daily quota and most tools never upload. Here's the honest comparison.
PDF to Markdown for AI Workflows: 5 Tools Tested with Real Documents (2026)
Why feeding Markdown to ChatGPT or Claude beats raw PDF, which tools actually preserve structure, and a step-by-step workflow with real benchmarks. Updated May 2026.
10 Best Free PDF Tools 2026 (Tested, Ranked, Honest)
An honest, hands-on review of the best free PDF tools in 2026 — converters, mergers, editors, OCR. What's free, what's hidden behind a paywall, and which open-source underdog beats them all.
How to Generate Vietnamese URL Slugs for SEO (2026 Guide)
Vietnamese diacritics make URL slugs tricky. Here's how to convert 'Cách viết bài SEO hay' to 'cach-viet-bai-seo-hay' for clean, SEO-friendly URLs.
Password-Protect a PDF in 2026: When It's Worth It (and When It Isn't)
Adding a password to a PDF takes 30 seconds. But sending the password by the same email defeats the point. Here's the honest breakdown — including AES-256, GDPR Art.32 implications, and when password protection is the wrong tool.
How to Remove Image Background Without Photoshop (5 Free Methods, 2026)
You don't need Photoshop's $20/month subscription to remove an image background. Five free methods, including AI tools that take 5 seconds and don't upload your photo.
How to Convert PDF to PowerPoint (3 Methods, 2026 Honest Guide)
PDF to PPTX conversion is harder than it looks. Most online tools produce broken results. Here are 3 methods that actually work, with honest tradeoffs.
How to Convert HEIC to JPG on Windows (4 Free Methods, 2026)
iPhone saves photos as HEIC, but Windows preview is broken and many tools reject HEIC files. Here are 4 free methods to convert HEIC to JPG, including 2 that don't upload your photos.
Welcome to Pickrack: Why I Built 46 Free Tools That Don't Want Your Email
An honest intro to Pickrack — what it is, why a solo dev built 51 free tools across PDF, image, AI, dev, text, and calc, and what makes it different from Smallpdf, iLovePDF, and the dozens of clones.