Comparison · File converters
PDF Bot • Free Converter vs Image Resize
PDF Bot • Free Converter is ahead: 70 against 64 out of 100 for Image Resize. PDF Bot • Free Converter wins on functionality, popularity & trust, freshness. Image Resize wins on safety & privacy. Both are free to use.
@pdf_bot
Free
70/ 100
#1 in File convertersAn all-in-one PDF toolbox: its own bio lists image-to-PDF and PDF-to-image conversion as core services, making it a broad default choice for everyday PDF chores.
@ImageResizeBot
Free
64/ 100
An open-source resizer purpose-built for one job: preparing images to the exact 512px specs Telegram sticker packs require, with the code published on GitHub.
At a glance
| PDF Bot • Free Converter | Image Resize | |
|---|---|---|
| Pricing and limits | Free | Free |
| Languages | EN | EN |
| Inline mode | no | no |
| Mini App | no | no |
| Works in groups | no | no |
| Works in channels | no | no |
| Accepts voice | no | no |
| Accepts files | yes | yes |
| Requires phone number | no | no |
| Requires registration | no | no |
| Shows ads | no | no |
| Official | no | no |
| Developer | — | stephancill |
| Last check | September 13, 2026 | September 13, 2026 |
Score by criterion
| Criterion | Weight | PDF Bot • Free Converter | Image Resize |
|---|---|---|---|
| Functionality | 25 | 8 | 6 |
| Reliability & speed | 15 | 6 | 6 |
| Popularity & trust | 15 | 5 | 4 |
| Price & free tier | 10 | 9 | 9 |
| Usability | 10 | 7 | 7 |
| Safety & privacy | 10 | 6 | 7 |
| Freshness | 5 | 6 | 5 |
| Localization | 5 | 10 | 10 |
| No intrusive ads | 5 | 6 | 6 |
| Total | 100 | 70 | 64 |
Pros and cons
PDF Bot • Free Converter
- Explicit, concrete feature list rather than a vague promise
- Covers both directions: image-to-PDF and PDF-to-image
- Free and no sign-up needed
- No merge, split or OCR confirmed
- File-size and page-count limits are not published
- No visible monthly-user count
Image Resize
- Open-source with a public, checkable codebase
- Solves the exact 512px sticker-prep problem precisely
- Free to use
- Narrow scope — not a general-purpose photo compressor
- No visible monthly-user count
- No published file-size limit
Frequently asked questions
PDF Bot • Free Converter or Image Resize: which is better?
PDF Bot • Free Converter is ahead: 70 against 64 out of 100 for Image Resize. PDF Bot • Free Converter wins on functionality, popularity & trust, freshness. Image Resize wins on safety & privacy. Both are free to use.
Are PDF Bot • Free Converter and Image Resize free?
PDF Bot • Free Converter: Free. Image Resize: Free.
Do PDF Bot • Free Converter and Image Resize work in groups?
PDF Bot • Free Converter: no. Image Resize: no.